| Description | Date | Identifier | |
| Trial fitting of a 2-bladed Berkshire wiper to a Phantom III Enclosed Limousine, 38-EX. | 16th Oct 1936 | Box 167 \ 5 img182 | |
| The trial fitting of a new Lucas windscreen wiper. | 8th Dec 1936 | Box 167 \ 5 img183 | |
| Letter to coachbuilder Park Ward & Co. regarding the fitment of a windscreen wiper. | 15th Dec 1936 | Box 167 \ 5 img184 | |
| The weight of a large type Klaxon wiper motor compared to the standard model. | 26th Nov 1936 | Box 167 \ 5 img185 | |
| Requesting one pulley be made for Klaxon Windscreen Motor Tests per drawing EL.363. | 7th Dec 1936 | Box 167 \ 5 img186 | |
| The fitting of a Lucas screen wiper to a car, referencing a memo and drawing from Park Ward & Co with specific measurements. | 21th Dec 1936 | Box 167 \ 5 img187 | |
| Request for remarks regarding a more powerful Klaxon wiper motor. | 1st Jan 1937 | Box 167 \ 5 img188 | |
| Test report on a Klaxon windscreen wiper motor of increased power, type EKDRG.1. | 17th Mar 1937 | Box 167 \ 5 img189 | |
| The power-to-weight benefits of a new, larger Klaxon wiper motor. | 23th Mar 1937 | Box 167 \ 5 img190 | |
| Technical memo comparing Klaxon wiper motors with other makes, focusing on drive efficiency. | 8th Apr 1937 | Box 167 \ 5 img191 | |
| The failure of a new type Lucas screen wiper due to a broken connecting rod. | 20th Apr 1937 | Box 167 \ 5 img192 | |
| New type of Lucas windscreen wiper and the provision of a strengthened link. | 22th Apr 1937 | Box 167 \ 5 img193 | |
| Request to send a replacement connecting link for a Lucas windscreen wiper to Waller in France. | 26th Apr 1937 | Box 167 \ 5 img194 | |
| Replacement Lucas windscreen wiper link for testing on vehicle 3.B.IV. | 26th Apr 1937 | Box 167 \ 5 img195 | |
| Letter from Joseph Lucas Ltd regarding a fractured link in an SW.3. type Screenwiper on a Bentley car in France. | 23th Apr 1937 | Box 167 \ 5 img196 | |
| Dispatch of a replacement Connecting Link for a Lucas S.W.3 Windscreen Wiper to Mr. I.M. Waller in France for Bentley No.39B-IV. | 27th Apr 1937 | Box 167 \ 5 img197 | |
| Request to arrange a test rig for electric windscreen wipers from supplier Sanderson & Holmes. | 4th May 1937 | Box 167 \ 5 img198 | |
| Arranging for a Lucas wiper to be fitted to vehicles 27.g.b and 28.G.b. | 20th May 1937 | Box 167 \ 5 img199 | |
| Erection particulars for four Wraith III chassis, detailing body types, specifications and required fittings. | 20th May 1937 | Box 167 \ 5 img200 | |
| The supply of retaining rings and the ordering of front and rear bumpers. | 20th May 1937 | Box 167 \ 5 img201 | |
| The performance of Lucas Electric Screen Wipers after 15,500 miles of testing in France. | 1st Jun 1937 | Box 167 \ 5 img202 | |
| The performance of the coupling between wiper driving boxes. | 1st Jun 1937 | Box 167 \ 5 img203 | |
| Letter to Joseph Lucas Ltd. detailing the results and failure analysis of a windscreen wiper life test. | 15th Sep 1937 | Box 167 \ 5 img204 | |
| Endurance test for a Lucas windscreen wiper, model SW.4 No.733666. | 2nd Sep 1937 | Box 167 \ 5 img205 | |
| Seeking a report on the suitability of Lucas wipers and FT.67 centre lamps for standardisation. | 30th Apr 1938 | Box 167 \ 5 img206 | |
| Recommendation for the use of the Lucas S.W.4 shaft drive windscreen wiper. | 3rd May 1938 | Box 167 \ 5 img207 | |
| Request to conduct a complete study of windscreen wiper systems across the motor industry. | 14th Jun 1938 | Box 167 \ 5 img208 | |
| Inquiry to S. Smith & Sons Ltd. regarding the development of a screen wiper with a cable drive. | 16th Jun 1938 | Box 167 \ 5 img209 | |
| Letter from a supplier discussing the development and supply of a mechanical windscreen wiper. | 18th Jun 1938 | Box 167 \ 5 img210 | |
| Performance and wipe speed of a Lucas mechanical windscreen wiper. | 23th Jun 1938 | Box 167 \ 5 img211 | |
| Experimental Lucas mechanical windscreen wiper, discussing its features and operational challenges. | 22th Jun 1938 | Box 167 \ 5 img212 | |
| The operational speed range and noise issues of windscreen wipers. | 28th Jun 1938 | Box 167 \ 5 img213 | |
| Letter to a motor accessories supplier regarding windscreen wiper speed. | 28th Jun 1938 | Box 167 \ 5 img214 | |
| Letter from S. Smith & Sons confirming a discussion about Wind Screen Wipers and requesting a drawing for a Wiper Lay-out. | 4th Jul 1938 | Box 167 \ 5 img215 | |
| The endurance test of a Lucas SW.4 type windscreen wiper. | 5th Jul 1938 | Box 167 \ 5 img216 | |
| Pricing and quality control issues with Lucas wipers, specifically rusting on the plating. | 6th Jul 1938 | Box 167 \ 5 img217 | |
| Modifications and rust issues with windscreen wipers, suggesting painting the blades to match body colour. | 12th Jul 1938 | Box 167 \ 5 img218 | |
| Faults and proposed modifications for the Lucas Windscreen Wiper system. | 12th Jul 1938 | Box 167 \ 5 img219 | |
| Endurance testing and motor noise issues with wiper units on experimental cars. | 12th Jul 1938 | Box 167 \ 5 img220 | |
| Letter to S. Smith & Sons regarding a drawing for body scuttle rails, likely for windscreen wipers. | 14th Jul 1938 | Box 167 \ 5 img221 | |
| Letter from S. Smith & Sons acknowledging correspondence regarding windscreen wiper difficulties. | 18th Jul 1938 | Box 167 \ 5 img222 | |
| Requesting the procurement of wiper arms after receiving the blades. | 19th Jul 1938 | Box 167 \ 5 img223 | |
| Requesting payment for an invoice for a suction windscreen wiper. | 4th Aug 1938 | Box 167 \ 5 img224 | |
| Proposal and pricing from Lucas for modified windscreen wipers. | 13th Aug 1938 | Box 167 \ 5 img225 | |
| Urgent request for a reply regarding the ordering of Lucas Wipers for new Trials cars. | 20th Aug 1938 | Box 167 \ 5 img226 | |
| Urgent supply of Lucas Wipers for new cars. | 20th Aug 1938 | Box 167 \ 5 img227 | |
| The endurance testing and modifications of a Lucas Wiper unit. | 25th Aug 1938 | Box 167 \ 5 img228 | |
| Letter from Joseph Lucas Ltd. regarding new clutch housings for a Rolls Bentley and an issue with arm channels. | 7th Sep 1938 | Box 167 \ 5 img229 | |
| Endurance and performance test report on the latest Lucas Windscreen wipers. | 17th Sep 1938 | Box 167 \ 5 img230 | |
| Standardization of various parts for the Wraith 'C' Series. | 4th Nov 1938 | Box 167 \ 5 img231 | |
| Letter to Lucas Ltd. regarding the fitting of a modified windscreen wiper to an experimental car for endurance testing. | 10th Nov 1938 | Box 167 \ 5 img232 | |
| Blueprints and standard parts for dashboard and windscreen wiper fittings for chassis 9.B.V. | 17th Nov 1938 | Box 167 \ 5 img233 | |
| Internal request to order windscreen wipers and wing lamps from J. Lucas Ltd. for Park Ward's use on specific chassis. | 23th Dec 1938 | Box 167 \ 5 img234 | |
| Cancelling an order for Lucas SW.4 Wipers for specific chassis. | 3rd Jan 1939 | Box 167 \ 5 img235 | |
| Cancelling an order for windscreen wipers for Bentley Cars and sourcing them from another stock. | 5th Jan 1939 | Box 167 \ 5 img236 | |
| Covering order for a Lucas SW.4 12 volt screen wiper. | 9th Dec 1939 | Box 167 \ 5 img237 | |
| Sending a screen wiper cum defroster unit to Park Ward's for fitting to chassis 31.G.VII. | 9th Dec 1939 | Box 167 \ 5 img238 | |
| Letter to Lucas Ltd. concerning the supply and progress of various automotive electrical components. | 9th Dec 1939 | Box 167 \ 5 img239 | |
| Letter to The Perfecta Motor Equipment Ltd. concerning a windscreen regulator sample and a request for a new brass version. | 13th Feb 1941 | Box 167 \ 5 img240 | |
| Letter to Joseph Lucas Ltd. following up on a telephone conversation about a marked-up blueprint for a windscreen wiper. | 13th Feb 1941 | Box 167 \ 5 img241 | |
| Letter from a supplier clarifying details for an order of wind screen wipers, ignition coils, and trafficators. | 10th Mar 1941 | Box 167 \ 5 img242 | |
| Letter to Joseph Lucas Ltd. confirming the suitability of an alternative screen wiper model and requesting black knobs. | 13th Mar 1941 | Box 167 \ 5 img243 | |
| Letter from Joseph Lucas Ltd. regarding Model SW4 Wind Screen Wipers and an alternative supply of black bakelite knobs. | 18th Mar 1941 | Box 167 \ 5 img244 | |
| Letter to Lucas Ltd. requesting a blueprint for a trafficator and different windscreen wiper knobs. | 5th Apr 1941 | Box 167 \ 5 img245 | |
| Letter to Joseph Lucas Ltd. regarding a blueprint for a Windscreen Wiper Assembly and a request for two complete units. | 23th Aug 1941 | Box 167 \ 5 img246 | |
| Confirming order for two windscreen wipers from Messrs. Joseph Lucas, Ltd. | 24th Aug 1941 | Box 167 \ 5 img247 | |
| Letter to Messrs. Joseph Lucas Ltd. regarding the manufacture of windscreen wiper links. | 4th Sep 1941 | Box 167 \ 5 img248 | |
| Inability of the supplier, Lucas, to provide complete windscreen wiper sets, offering unassembled parts as an alternative. | 28th Nov 1941 | Box 167 \ 5 img249 | |
| Request for six sets of windscreen wiper parts, specifically motor units and blades, as the supplier Lucas is unable to provide complete assemblies. | 29th Nov 1941 | Box 167 \ 5 img250 | |
| Letter from Joseph Lucas Ltd comparing the specifications of two wiper models, DW and BU30. | 4th Dec 1941 | Box 167 \ 5 img251 | |
| Letter from Joseph Lucas Limited regarding a screen wiper motor for a Lancia car. | 8th Mar 1944 | Box 167 \ 5 img253 | |
| Suitability of Maconite cables from The Macintosh Cable Co. | 23th Dec 1924 | Box 168 \ 1 img001 | |
| Letter to The Macintosh Cable Co. Ltd. declining the use of Maconit cables for chassis wiring. | 23th Dec 1924 | Box 168 \ 1 img002 | |
| Letter from The Macintosh Cable Company Ltd acknowledging a previous letter from Rolls-Royce. | 24th Dec 1924 | Box 168 \ 1 img003 | |
| Specification sheet from The Macintosh Cable Co. Ltd. for vulcanised cables, including a list of branch offices. | 24th Dec 1924 | Box 168 \ 1 img004 | |
| The performance and test results of 'Maconite' insulated cable under various temperature, chemical, and oil exposure conditions. | 29th Jan 1926 | Box 168 \ 1 img005 | |
| Proposal to electrically test a sample of 'Maconite' ignition cable from Messrs Macintosh's for potential adoption. | 29th Jan 1926 | Box 168 \ 1 img006 | |
| Testing of Maconite cable for H.T. wiring and recommending its use for ignition wires. | 5th Apr 1926 | Box 168 \ 1 img007 | |
| Test report comparing Maconite H.T. ignition cable with a standard cable. | 3rd Mar 1926 | Box 168 \ 1 img008 | |
| Letter from The Macintosh Cable Company regarding the supply of 'Maconite' high tension flex for experimentation. | 12th Jan 1926 | Box 168 \ 1 img009 | |
| Letter from The Macintosh Cable Company describing the properties of 'Maconite' cable insulation. | 12th Jan 1926 | Box 168 \ 1 img010 | |
| Letter from The Macintosh Cable Company regarding the manufacture and properties of 'Maconite' cables for cars. | 12th Jan 1926 | Box 168 \ 1 img011 | |
| Brochure from The Macintosh Cable Co., Ltd. detailing the properties of 'MACONITE' insulating material. | 12th Jan 1926 | Box 168 \ 1 img012 | |
| The performance tests of 'Maconite' insulation material under various extreme conditions. | 8th Mar 1925 | Box 168 \ 1 img013 | |
| Requesting an order for Maconites cable for high tension wiring following successful tests. | 8th Mar 1925 | Box 168 \ 1 img014 | |
| Requesting the creation and testing of H.T. ignition wires from a coil of 'Maconite' cable for Phantom and 20 HP chassis. | 3rd Feb 1926 | Box 168 \ 1 img015 | |
| Suitability and procurement of 'Maconite' high tension cables for testing. | 19th Mar 1926 | Box 168 \ 1 img016 | |
| Specifying the quantities of Maconites H.T. Cable required for 20 HP and 40/50 chassis. | 20th Mar 1926 | Box 168 \ 1 img017 | |
| Shortage of Special Ignition Wires for EAC and Goshawk chassis, detailing the lengths required. | 20th Mar 1926 | Box 168 \ 1 img018 | |
| Confirming an order for 'Maconite' high tension cable, specifying lengths and diameter requirements. | 22th Mar 1926 | Box 168 \ 1 img019 | |
| Issue of receiving oversized 'Maconite' H.T. cable that is of little use. | 25th Mar 1926 | Box 168 \ 1 img020 | |
| Requesting the return of 250 ft. of oversized Maconita High Tension Cable to the supplier. | 12th Apr 1926 | Box 168 \ 1 img021 | |
| Sending 250 ft. of oversized Maconite H.T. cable to the stores and requesting despatch instructions. | 12th Apr 1926 | Box 168 \ 1 img022 | |
| Standardisation of 'Maconite' High Tension Cable, considering test results and cost comparison. | 14th Feb 1926 | Box 168 \ 1 img023 | |
| Undesirable heating effect on Maconitem high tension cable when soldering connections. | 23th Apr 1926 | Box 168 \ 1 img024 | |
| Confirming no issues were found when soldering or sweating Maconite ignition wires. | 28th Apr 1926 | Box 168 \ 1 img025 | |
| Withdrawal of a complaint regarding 'Maconite' high tension cable, pending a 10,000-mile road test. | 28th Apr 1926 | Box 168 \ 1 img026 | |
| Fitting of 'Maconite' high tension cable to various chassis. | 28th Apr 1926 | Box 168 \ 1 img027 | |
| 'Maconite' insulated H.T. cables for chassis. | 10th May 1926 | Box 168 \ 1 img028 | |
| The experimental use and manufacturing process of 'Maconite' insulated cables for wiring. | 10th May 1926 | Box 168 \ 1 img029 | |
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