ACCESSORIES & SERVICE SPARES

ACCESSORIES & SERVICE SPARES

Most of the spare parts and accessories were available bagged. These were supplied in clear polythene bags with a printed card label that was folded over and a staple inserted to hold them together, which also prevented the contents from coming out of the bag. The card labels all had a hole near the top to enable the complete bags to be displayed on racking in shops. These labels were also colour-coded in Pale Green, Pale Yellow, Cream or Pink and all featured Black printing. The majority of the labels featured a standard front which contained an illustration of the Cooper, the two exceptions being the labels for the K1 Pit Stand Kit (which featured an illustration of the assembled kit on the front and assembly instructions on the rear) and also the K2 Figures (which featured a line illustration of some of the various figures included on the front and a description on the rear). The labels of these two were also different being the only two produced in Yellow card. The other exception was the one for the Flag Sheets which was the only standard label (as yet known) to be printed on the Cream card as opposed to the standard Pale Green or Pink. The standard rears featured optional tick boxes to indicate what the bag actually contained and later versions even included the various prices of the spares & accessories. Pink labels were used for the Accessories: A1, A2, A3, G4, T31, T32 & T33. Pale Green labels were used for the Service Spares: AS1, E2, G14/A, G32/33, TT10, T34, T35, XG4, XG6 & XG8. An anomaly has been seen of a few Pale Green A1 Fence Post labels and perhaps others exist since the rear list included a number of other Accessories. The Cream label: A6 and Yellow labels: K1 & K2. Although the Banking Supports (T31, T32 & T33) were available separately bagged a number of them were also available boxed within the T30 Bridge Support Set. In this boxed form they were included in some of the Sets and also the Extension Set.

The following list of itemised Accessories and Spares has been assembled in alpha-numeric order for ease of reference.

A1 – Fence Posts

These White polystyrene posts were supplied in bags of eighteen and were to be slotted onto the edge of the track. This did mean that when fitting the track onto a flat baseboard the track did not sit flat onto the surface. The White uprights featured a vertical slot running through them with a larger round hole at either end. The slot was intended to accommodate the Barrier Fence whilst the two round holes could hold a pair of Rail Fence sections as an alternative. These first appeared in the February 1961 Price List.

A2 – Barrier Fence

This was supplied bagged with two sections of Barrier Fence coiled together, each 4’-6” (54”) in length. These lengths of flat White polystyrene had Red & Yellow printing to one surface, which represented advertising hoardings. These featured advertisements for (reading from left to right): ‘Lucas’ in Red, ‘Dunlop’ in Red & Yellow, ‘BP Super’ in Red, ‘K.L.G’ in Red & Yellow, ‘Lucas’ (again) in Red, ‘Dunlop’ in Red & Yellow, ‘BP Super’ in Red, ‘K.L.G’ (again) in Red & Yellow and finally ‘Wrenn 152’ in Red. These did add some colour to the layouts but also, and more importantly, enabled the cars to travel faster around the corners by keeping them on the track. These first appeared in the February 1961 Price List.

A3 – Rail Fence

This type of fencing was an alternative to the Barrier Fence. It was supplied bagged with two of the sections coiled together totalling 12’-0” (144”) in length. The round White polystyrene section could be inserted into the top and bottom holes in the Fencing Posts enabling a parallel run of continuous fencing. These first appeared in the February 1961 Price List.

A5 – Transfer Sheet Decorative

This pack contained four separate transfer sheets, two were printed in Black & White and two in colour. The coloured sheets were printed in six colours, Red, Yellow, Green, Blue, Black & White. These were available from Autumn 1962.

  • Car Sheet included four White Vanwall scripts, six Yellow & Black Ferrari badges, small car names in Black on White rectangles, White stripes, crossed Chequered & International flags, small international flags and coloured shields.
  • Track Sheet included four lengths of large chequered strips (in two rows) and four pairs of White ‘L-shaped’ starting grid markings.
  • Building Sheet included two each of the following Pit Name Boards – Ferrari, Cooper, Vanwall, Maserati, BRM, Porsche & Lotus and small signs for ‘Entrance, ‘Car Park’ & two ‘Exit’s.
  • Building Advertising Sheet included: coloured advertising brands for Esso, Martini, Mintex, The Motor, National Benzole, Cinzano, Castrol & Wrenn 152.

A6 – Flag Sheets

This pack contained four individual colour printed paper sheets having gummed backs with Red, Yellow, Green, Blue or Black printed double-sided flags. They first appeared in the July 1962 Price List and the first three below were to be used in conjunction with the plastic Flag Poles.

  • International Flags I – included flags for Great Britain, West Germany, France, Belgium, Netherlands & Monaco.
  • International Flags II – included flags for America, Finland, Italy, Sweden, Spain & Portugal.
  • Decorative Flags – included twelve small coloured triangular pennants (buntings) and one larger triangular ‘Wrenn 152’ flag.
  • Circuit Flags were specifically for use with the Track Personnel figures and these included a ‘Chequered Flag’, ‘Oil’, ‘Pass’, ‘Stop’, ‘Caution’ & ‘Ambulance On Course’ flags.

A10 – ‘152’ Instruction Manual

This small booklet, 5¾” x 3¾”, was printed by Glenview Press Ltd., London SE13 and was included within each of the sets. It was also available separately and advertised on the inside cover of the Catalogue. The 1st Edition was produced to coincide with the introduction of the Set No 1 in September 1960 and contained thirty two pages plus card covers. The covers were printed in Yellow, Green and Black on the outside with the inner faces being left blank. Later versions featured Red printed gummed labels stuck to the inner face as a temporary measure informing buyers of updates to information which eventually became permanent by time of the printing of the 4th Edition. The 2nd & 3rd (10m/11/01) Editions were printed during 1961 with the 4th (20m/5/62) Edition arriving midway through 1962, the designated code numbers dating them. The main chapters included all of the information to enable the assembly of the set and were titled: Introduction, Assembly Instructions, Maintenance and Suggestions for Rules & Racing.

With the introduction of the DC-motored cars a corresponding new manual was produced, this time slightly larger but with only fourteen pages plus card covers. The 1st Edition of this ‘DC’ manual was printed at the end of 1964 (7m/11/64) and was slightly larger than it’s predecessor at 7” x 4⅛”. To highlight the difference, this version’s cover was printed in Turquoise, Red & Black. Although featuring less pages than it’s predecessor, it included more chapters: Introduction, Assembling The Circuit, Wiring Diagram, Operating Instructions, Driving Hints, Collector Setting, Maintenance, Fault Finding, General Points & Car Operation. Further editions of the ‘DC’ Manual haven’t been seen.

The Manual for the 9-Volt Grand Prix set was printed on a single piece of folded White paper in Black ink and included a code number GP/10/67. It featured seven line drawings and contained the following sections – Introduction, Assembling The Circuit, Wiring Diagram, Connections To Batteries & Circuit, Operating Instructions, Starting Cars, Driving Technique, Set Contents, Maintenance of Your Set, Cleaning Track, Cleaning Collectors, Setting Collectors, Replacement Of Collectors, Meshing Of Gears, Oiling, General Points, Extra Power Rails & A Service Scheme.

A11 – Spectator Figures

There were six figures in this set which included two standing spectators, three seated Spectators and a standing Driver figure. These White nylon 1/52 scale figures included an individual base, where appropriate and were pre-painted using a palette of nine colours, Red, Yellow, Green, Blue, Orange, Grey, Dark Brown, Black and a ‘Flesh’ colour. Various colour combinations have been seen for the same figures with the only common colours being the Dark Brown bases and Flesh hands & faces. They were supplied in a standard small box, specifically for the figures, which had a cut-out window area to the front which was backed-up with a piece of clear cellophane in order to view the contents. The box was printed in Green & Black with both possible types of contents itemised on one end flap and an inner card featuring a half-tone illustration with a cut-out section to hold each of the figures in place. These were available from November 1962.

A12 – Track Personnel

There were six figures in this set which included the standing Track Marshall with a small flagpole being held aloft, the standing Track Marshall with a small flagpole being waved, the standing figure pointing, the kneeling Pit Crew figure (who’s hands were moulded to accept a Wheel and Tyre), the standing Driver figure and a second Track Marshall. This latter figure had the small flagpole removed which would have been being waved. Each of these White nylon 1/52 scale figures included an individual base and were pre-painted using a palette of nine colours, Red, Yellow, Green, Blue, Orange, Grey, Dark Brown, Black and a ‘Flesh’ colour. Various colour combinations have been seen for the same figures with the only common colours being the Brown bases and the Flesh hands & faces. They were supplied in a standard small box, specifically for the figures, which had a cut-out window area to the front which was backed-up with a piece of clear cellophane in order to view the contents. The box was printed in Green & Black with both possible types of contents itemised on one end flap and an inner card featuring a half-tone illustration with a cut-out section to hold each of the figures in place. These were available from November 1962.

AS1 – Assorted Spares

These bagged spares were for the Vibrator-motored cars and also included some components that individuals may have misplaced from the Track sections as items were dismantled and re-assembled. The spares included a Guide Pin, Armature Pivot Pin, Speed Control Lever, Contact Fixing Screw, two Armature Return Springs and two Collector Fixing screws for the cars. There were also three steel wire terminals in different sizes, the largest was for the Terminal Return Lead, there was one for the wire for the Contacts and also the TV Suppressor Lead. Finally there were two plated knurled nuts for the Terminal Straight Track included. This pack first appeared in the July 1962 Price List.

C1 – Catalogue

Although a few four page leaflets had already been produced introducing the new range and illustrating a few simple layouts (see later), the first actual Catalogue was only available from July 1962. It was printed in Dark Blue, Red & Black on eight glossy paper pages by Glenview Press and was 5¼” x 8¼” overall and having the folded pages stapled together. It included the range of Sets, Cars, Track & Spares available at the time and featured photographic images of some of these items plus a couple of images of a permanent circuit laid out on a baseboard. The outer cover of the Catalogue showed a rather crude illustration of three racing cars alongside a technical drawing of the side view of the Ferrari (proudly showing its overall length of only 3”) and the words ‘Triple Electric Model Motor Racing’ explaining that the system featured ‘3 cars independently controlled on each track’. The next version of the Catalogue was very similar in that the cover used the same artwork again but this time the Dark Blue was replaced with a Light Blue background and within, for the first time, it also featured a range of Accessories. The 3rd version to appear had the background printed in a Turquoise and stating a price of 4d on the cover and now it had been increased in size to twelve pages. The range of cars inside this catalogue included the Maserati & Vanwall cars, illustrations of some of the Accessories and the Pit Lane Multi-Changer, it featured plans for thirteen circuits and an additional photograph of a larger circuit with scenery mounted onto a baseboard. The 4th version of the catalogue showed the full range of six different DC-motored cars, the Chicane set, a couple of Accessories but the Pit Lane Multi-Changer had now been removed. Apart from these items the catalogue was the same as previous. There was a later version (a 5th?) available with a price of 6d printed in the White disc on the cover but it’s contents are exactly the same as the previous catalogue with just this increased price and this is presumably the last version seen. Since no further new items were introduced until the 9-Volt Set & Cars it seems probable that this could well have been the last Catalogue produced.

C6 – Cooper Chassis

This code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have been only used internally for spares allocation and was probably only used for the first Green Chassis.

E1 – Controller

Car controllers were available initially in the sets and then later individually boxed. The first controllers were intended for the Vibrator-motored cars and were therefore simply an on/off button with a separate sliding switch which provided the facility of locking the controller in the ‘on’ position. When this was used in conjunction with the Speed Lever beneath the car, it enabled single racers to have a race against this pre-set car. The Controllers comprised a 2-piece Black polystyrene body which was screwed together, a Red on/off button and a Red sliding switch. The bottom section of the Controller featured bevelled sides and each Controller was supplied with two flat Black polystyrene ‘rail’ sections (each of them having a pair of countersunk holes) and also four very small countersunk screws wrapped in tissue paper. When these ‘rail’ sections were fitted to a board they enabled the Controller to be slid between these sections and retained. The Controllers were supplied with two Red PVC coated wires each with Yellow rubber sleeves and steel Terminal ends. The boxes for the controllers were specific to the item, they were printed in Red & Black and were the same size as the ones supplied with the cars. They also contained a Pale Green printed instruction sheet for their use and how they could be installed onto a permanent baseboard.

With the introduction of the DC-motored cars the controllers were now termed Mk 2 (as stated on the base of the Controller) and the on/off button was now replaced with a similar, but longer button. This enabled the cars to have progressive speed control and underneath there was also a top speed Restrictor Screw. These later Mk 2 versions had a deeper bottom section and did not feature the bevelled sides and this removed the possibility of securing them to a baseboard.

E2 – Collector Cleaning Gauge

These were supplied bagged separately and consisted of a single piece of Grey polystyrene and over the years of production various shades of Grey have been seen. This item featured the words ‘WRENN FORMULA “152” COLLECTOR CLEANING GUAGE’ in raised letters on the underside, a locating slot for the car’s Guide Pin and four recesses to locate the Collectors on the bottom of the cars. Initially this allowed the copper Collector brushes to be cleaned easily and also aligned correctly in either of the two positions. With the introduction of the second (spring) version of the Collectors the only use of the Cleaning Gauge was as its primary function since the new Collectors were now self-aligning.

ES12 – Return Leads

These wire Return Leads had a Black PVC coating, steel Terminal ends and Yellow rubber sleeves. They provided the return wire from the Transformer to the Terminal Track. Two were included in each Set and they were also available separately as a pair.

F6 – Ferrari Chassis

This code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations and was probably only used for the first Red Chassis.

G4 – Transfer Sheet Numerals

This pack contained three sheets of waterslide transfers featuring Black numerals on White roundels. These were for use on the cars and also the polystyrene racing car number boards which were used on the Lap Counter and also the Trackside Pit. Each sheet contained four sets of each of the numbers ‘1 – 10’ and these were first featured in the July 1962 Price List. A variant of this sheet has been seen with the numbers ‘1 – 9’ as Black numerals on White roundels and a set of four White ‘9’ numerals in place of the normal ‘10’ numeral roundels but no information is available to determine when this was produced.

G9 – Speed Control Lever

This flat plated steel lever was used under the vibrator motor to restrict the travel of the Pawl therefore restricting the car’s speed. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations and one was included within the AS 1 – Assorted Spares pack.

G10 – Fixing Screw

This short brass slotted screw was used to hold the Speed Control Lever in the Chassis and two of them were also used to retain the Collectors. Its code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations, two were included within the AS 1 – Assorted Spares pack.

G11 – Armature

This was the pivoting steel plate which activated the Pawl in the Vibrator motor. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations.

G12 – Armature Pivot Pin

One of these Clear nylon rods was used to provide the pivot for the Armature through the Chassis. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations but one was included within the AS 1 – Assorted Spares pack.

G13 – Armature Return Spring

This spring was fitted inside the Vibrator-motored car’s Chassis and returned the armature after being activated. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations but two were included within the AS 1 – Assorted Spares pack.

G14/A – Pawl Assembly

This pack contained two sets of the Black nylon Pawl and Pivot Pin. A small number of these components have been seen manufactured from Clear nylon. The Pawl also featured a Clear nylon filament to retain it in position.

G16 – Pawl Pivot Pin

This Black nylon Pawl Pivot Pin secured the Pawl to the top of the Armature and a small number of these have been seen manufactured from Clear nylon. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations. Two were included in the G14/A – Pawl Assembly pack.

G17 – Ratchet Wheel

This Black nylon toothed Ratchet Wheel fitted on to the Rear Axle of the Vibrator-motored cars and was activated by the Pawl. A small number of these have been seen manufactured from Clear nylon. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations and possibly included on the G30 – Rear Axle.

G18 – Contact Block

The Black nylon Contact Block was fitted to the Chassis of the Vibrator-motored cars and supported the Bottom Contact Blade. A small number of these have been seen manufactured from Clear nylon. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations.

G19 – Contact Distance Piece

This Black nylon block separated the two phosphor bronze Top & Bottom Contact Blades in the Vibrator motor. A small number of these have been seen manufactured from Clear nylon. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations.

G20 – Contact Fixing Screw (Top)

Two of these long brass slotted screws held the Contacts, Contact Block and Distance Piece together in the Chassis. The code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations but one was available within the AS 1 – Assorted Spares pack.

G22/A – Top Contact Blade

This phosphor bronze Contact Blade had a silver contact, it’s code was allocated by Wrenn and referenced in the early editions of the Manual. It was never quoted on the Price List so may have only been used internally for spares allocations and two were available within the XG 4 – Contacts pack.

G23/A – Bottom Contact Blade

This phosphor bronze Contact Blade had a silver contact, it’s code was allocated by Wrenn and referenced in the early editions of the Manual. It was never quoted on the Price List so may have only been used internally for spares allocations and two were available within the XG 4 – Contacts pack.

G29 – Front Axle

This axle was a polished stainless steel rod and it’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations.

G30 – Rear Axle

This axle was a polished stainless steel rod but included a number of raised sections in the centre to retain the Ratchet Wheel and stop it from revolving easily on the axle. The code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations.

G31 – Wheel

This white metal ‘spoked’ Wheel was used on both the Front and Rear Axles of all cars. It’s code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations. Four of them were available within the G31/A – Wheels & Exhaust pack.

G31/A – Wheels & Exhaust

This pack contained the following white metal components, four Wheels, a left hand and right hand pair of Exhausts for the Ferrari and an Exhaust for the Cooper.

G32 – Rear Tyre

This code was allocated by Wrenn and referenced in the early editions of the Manual and but never quoted separately on the Price List so may have only been used internally for spares allocations since they were available within the G32/33 – Tyres pack.

G33 – Front Tyre

This code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted separately on the Price List so may have only been used internally for spares allocations since they were available within the G32/33 – Tyres pack.

G32/33 – Tyres

This bagged pack contained four rubber Front and four Rear Tyres. Packs of both the early ridged Tyres and also the later treaded versions of the Tyres have been seen. There has also been seen a reference to ‘soft’ Tyres being available with the polythene bag having a Pink card note included stating ‘NEW! 1/3 soft racing tyres’.

G37 – Guide Pins

These Black nylon Pins were fitted to the underside of each car and were available in bags of twelve. They were cylindrical with a raised collar to ensure that the pin fitted into the Chassis of the car at the correct height. One was also included within the AS 1 – Assorted Spares pack.

G42 – Collector Fixing Screw

These short brass dome headed slotted screws initially secured the Collectors to the Chassis and then latterly the steel forks of the spring-type Collectors. Their code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations. Two were available within the AS 1 – Assorted Spares pack.

G43 – Bottle of Oil

Bottles of lubricating oil were available either supplied in each set or separately. The small square glass bottles had a cork stopper with a thin stainless steel rod inserted to apply the oil. The bottle had a plastic seal which was originally White while later ones were Red. The label around the bottle was Yellow with Black printing featuring ‘Wrenn 152’ to the front panel, Green ‘BP Energol’ shield and lettering to each side panel and a blank Yellow back.

K1 – Pit Stand Kit

This pack contained the various Green polystyrene components to assemble a simple frame to be fitted to the roof of the Trackside Pit building enabling it to be used as a standing area for the Spectators. It contained vertical posts, horizontal railing and also a stairway structure to provide access from the ground level. The completed kit could then be fitted to the roof by opening out the half-depth ‘blind’ holes in the underside of the Trackside Pit building roof. This was available from November 1962.

K2 – Figures

This pack contained the ten White unpainted 1/52 scale nylon figures. These were also available separately within the boxed A11-Spectators & A12-Track Personnel accessories, but these were in a painted form. They were first featured in the August 1963 Price List. For a description of the individual figures see above in the A11 & A12 sections.

M1 – DC Motor

This cannot be confirmed at this time but it is safe to assume that the DC motor was available singly since it is listed with a code number and could have been available either bagged or boxed.

TT10 – Track Fixing Pins

These steel pins were bagged in a large quantity and were used to secure items of Track and Track Supports permanently to baseboards. All of these items featured pre-drilled holes for this purpose, the Track sections had holes within the guide slots and each of the Track Supports had four holes around the small plinth on their bases. These were originally available in Wrenn’s TT range of Model Railway accessories, retaining the same code number, but they first featured in Wrenn’s Formula 152 August 1961 Price List.

T30 – Bridge Support Set

This boxed set contained two Banking Supports, six High Level Supports & four Medium Level Supports each as detailed below and also included a Pale Green printed instruction sheet for their use. This was available from September 1961.

T31 – Banking Support

These were available bagged in packs of twelve or as part of the T30 – Bridge Support Set. They were manufactured from injection moulded Grey polystyrene and could be fitted to the circular projecting lugs underneath each of the Track sections. Each of them featured a small bottom plinth that included four holes which enabled the Supports to be fitted permanently to a baseboard with the aid of Track Pins. These were available from September 1961.

T32 – High Level Support (1¾” high)

These were available bagged in packs of twelve or as part of the T30 – Bridge Support Set. They were manufactured from injection moulded Grey polystyrene and could be fitted to the circular projecting lugs underneath each of the Track sections. Each of them also featured a small bottom plinth that included four holes which enabled the Supports to be fitted permanently to a baseboard with the aid of Track Pins. These were available from September 1961.

T33 – Medium Level Support (1” high)

These were also available bagged in packs of twelve or as part of the T30 – Bridge Support Set. They were manufactured from injection moulded Grey polystyrene and could be fitted to the circular projecting lugs underneath each of the Track sections. Each of them also featured a small bottom plinth that included four holes which enabled the Supports to be fitted permanently to a baseboard with the aid of Track Pins. These were available from September 1961.

T34 – Track Clips & Flag Supports

These were supplied in bags of twenty four. They were manufactured from White polystyrene and were intended to be fitted under the edge of the track. The inner lug was divided into two so that the clip could be fitted spanning the joints between two adjacent track sections, this enabled the track to retain some rigidity and also provided an opportunity to fit the track onto a baseboard if required. The inner hole could be used for this fixing whilst an outer hole was provided to insert a Flag Pole. These were first featured in the August 1963 Price List.

T35 – Flag Poles

There were twenty four of these 4” tall White polystyrene Flag Poles supplied bagged for use in conjunction with the T34 – Track Clips & Flag Supports and A6 – Flag Sheets. These were first featured in the August 1963 Price List.

XG4 – Contacts

These were available bagged in pairs comprising two sets of phosphor bronze G22/A Top Contact Blades & G23/A Bottom Contact Blades for the Vibrator-motored cars.

XG5 – Carbon Brushes

These were available bagged in packs of six Brushes for the DC motors.
NB This code number was previously allocated to the TV Suppressor & Lead required on the Vibrator-motored cars but the item was never available as a separate item.

XG6 – Collectors

The first type of Collectors were manufactured from rigid phosphor bronze with the copper brushes crimped into one end. These were then latterly termed non-flexible as they were superseded with the later flexible ‘spring type’ during 1963 but the code number did not change. Both types were available in bags of four.

XG7 – Coil Assembly

This comprised a cylindrical soft-core magnet with copper windings around it and a plated steel cover with 4No tabs at the bottom. These were inserted into the Body Chassis and the tabs folded inwards to retain it. The code was allocated by Wrenn and referenced in the early editions of the Manual but never quoted on the Price List so may have only been used internally for spares allocations.

XG8 – Collector Conversion

When the manufacture of Collectors changed-over from the rigid type to the flexible type, the new ‘spring type’ Collectors had to be fitted to new stainless steel forks which, in turn, had to be fitted inside the car. New cars from the factory already had these fitted as standard but existing owners wishing to upgrade to the new Collectors required this conversion set. They were available bagged containing enough components to convert two cars: four ‘Spring type’ Collectors, four stainless steel forks and a Pale Green or Pale Blue instruction sheet for their installation. These were first featured in the August 1962 Price List.

0072 – Baseboard Frame Kit – 5’ x 3’

This hardwood timber frame kit was originally available as part of Wrenn’s range of Model Railway products. It was constructed from 13/16” x 1¼” timber with dowel joints ready for assembly with the screws provided. It was recommended that a hardboard, or preferably a 3/16” plywood, top should be tacked to the top of the frame to complete the baseboard, although this was not provided. It first appeared in the August 1961 Price List but by November 1962 it was then ‘only available in the U.K’. Finally it was discontinued as a Wrenn Formula 152 item by August 1963.

0073 – Baseboard Frame Kit – 6’ x 4’

This hardwood timber frame kit was originally available as part of Wrenn’s range of Model Railway products. It was constructed from 13/16” x 1¼” timber with dowel joints ready for assembly with the screws provided. It was recommended that a hardboard, or preferably a 3/16” plywood top, should be tacked to the top to complete the baseboard, although this was not provided. It first appeared in the August 1961 Price List but by November 1962 it was then ‘only available in the U.K’. Finally it was discontinued as a Wrenn Formula 152 item by August 1963.

0074 – Landscape Sheet – 3’-1½” x 3’

The sheet was paper based with a coloured ‘flock’ applied to the top surface. It was originally available as part of Wrenn’s range of Model Railway products enabling buyers to create further realism with their slot racing layouts. It was initially featured in the August 1961 Price List and was available in Green, Grey or Brown.