| Description | Date | Identifier | |
| Acceptance note for a luncheon invitation from Mr. Robotham. | 13th Oct 1938 | Box 142 \ 1 scan0250 | |
| Forwarding an undated letter from Mr. Povl Knudsen of Denmark, requesting a direct reply. | 13th Oct 1938 | Box 142 \ 1 scan0251 | |
| Query from a Danish mechanic about the revolutions and horsepower of a 6-cylinder motor, number 2349, installed in a motorboat. | 1st Oct 1938 | Box 142 \ 1 scan0252 | |
| Proposing a series of informal, instructive talks for apprentices and pupils. | 15th Oct 1938 | Box 142 \ 1 scan0253 | |
| Telegram from Paris requesting an experimental car be sent to meet a plane at Heston. | 17th Oct 1938 | Box 142 \ 1 scan0254 | |
| Telegram received by telephone requesting an experimental car be sent to meet a plane. | 17th Oct 1938 | Box 142 \ 1 scan0255 | |
| Letter providing power specifications for a 1913 model 40/50 HP 6-cylinder engine for installation in a motor boat. | 17th Oct 1938 | Box 142 \ 1 scan0256 | |
| Telegram from Paris requesting a car be sent to Heston to meet a plane. | 17th Aug 1938 | Box 142 \ 1 scan0257 | |
| Cover memo for a copy of the I.A.E. proceedings containing Geoffrey Smith's paper. | 18th Oct 1938 | Box 142 \ 1 scan0258 | |
| Request to the R.A.C. for an up-to-date map of the German Autobahns. | 18th Oct 1938 | Box 142 \ 1 scan0259 | |
| Letter from The Royal Automobile Club acknowledging a request for an up-to-date map of German Autobahns. | 20th Oct 1938 | Box 142 \ 1 scan0260 | |
| Requesting permission for Experimental Dept. employees to leave early for a race at Donington, with a handwritten approval. | 21th Oct 1938 | Box 142 \ 1 scan0261 | |
| Letter from The Royal Automobile Club enclosing maps of the German Autobahns and Italian Autostrade. | 24th Oct 1938 | Box 142 \ 1 scan0262 | |
| Letter thanking The Royal Automobile Club for providing maps for the Experimental Department. | 25th Oct 1938 | Box 142 \ 1 scan0263 | |
| Invitation from the Apprentices' Association to an informal talk on 'Pattern making in general'. | 28th Oct 1938 | Box 142 \ 1 scan0264 | |
| Invitation to lunch with the Directors at the Works. | 29th Oct 1938 | Box 142 \ 1 scan0265 | |
| Notification of a planned visit by Mr. R. Finch of I.C.I. Metals Ltd. | 31th Oct 1938 | Box 142 \ 1 scan0266 | |
| Letter from 'The Motor' magazine discussing the technical content of their recent Motor Show issues. | 1st Nov 1938 | Box 142 \ 1 scan0267 | |
| Letter from the Technical Editor of 'THE MOTOR' discussing post-show articles, road tests, and future technical reviews. | 2nd Nov 1938 | Box 142 \ 1 scan0268 | |
| Letter from The Motor magazine requesting an engineering opinion on establishing a national team of British racing cars. | 2nd Nov 1938 | Box 142 \ 1 scan0269 | |
| Letter to the Technical Editor of 'The Motor' discussing the feasibility and commercial value of producing a racing car team. | 3rd Nov 1938 | Box 142 \ 1 scan0270 | |
| Circular outlining the formation and benefits of an apprentices' association. | 3rd Nov 1938 | Box 142 \ 1 scan0271 | |
| Schedule of papers for the 1938/9 session at the Institution of Automobile Engineers, Derby Centre. | 14th Nov 1938 | Box 142 \ 1 scan0272 | |
| Vibration recorded on coil-ignition units for the Vulture II engine. | 14th Nov 1938 | Box 142 \ 1 scan0273 | |
| Failure involving pinion movement, spline fretting, and excessive vibration in a wheelcase. | 14th Nov 1938 | Box 142 \ 1 scan0274 | |
| Vibration and failures of coil-ignition units on a Vulture Engine II during a 100-hour development test. | 1st Nov 1938 | Box 142 \ 1 scan0275 | |
| Investigation into engine vibration failures, torsional resonance, and experimental testing on various engine models. | 4th Oct 1938 | Box 142 \ 1 scan0276 | |
| The investigation and analysis of high-frequency vibration in Vulture II engines during test bed trials. | 20th Oct 1938 | Box 142 \ 1 scan0277 | |
| Analysis of vibration waveforms, order forces, and component failures in relation to engine torque and inertia effects. | 20th Oct 1938 | Box 142 \ 1 scan0278 | |
| Analysis of gear failures and vibrations in Vulture II engines, specifically engines II-4 and II-2. | 21th Oct 1938 | Box 142 \ 1 scan0279 | |
| Table of vibration test data for Vulture engines, measuring vertical, transverse, and longitudinal vibration under various operating conditions. | 21th Oct 1938 | Box 142 \ 1 scan0280 | |
| Diagram of typical wave forms for Vulture engine ignition and distributor vibration. | 31th Oct 1938 | Box 142 \ 1 scan0281 | |
| To the Cashier requesting a refund of 5/3d. to A.F. Gardiner. | 24th Nov 1938 | Box 142 \ 1 scan0282 | |
| Relaying Air Ministry Intelligence Department guidelines restricting personal visits to the works. | 22th Nov 1938 | Box 142 \ 1 scan0283 | |
| Visit to the works of Messrs Thomas De La Rue Ltd. to inspect their moulding plant and equipment. | 28th Nov 1938 | Box 142 \ 1 scan0284 | |
| The moulding, lamination, and tool room processes at Messrs De La Rue Ltd. | 28th Nov 1938 | Box 142 \ 1 scan0285 | |
| Description of the laboratory facilities and testing procedures for moulding powder at Messrs De la Rue. | 31th Oct 1938 | Box 142 \ 1 scan0286 | |
| Letter from The Royal Automobile Club to W.A. Robotham regarding maps. | 31th Oct 1938 | Box 142 \ 1 scan0287 | |
| Arranging a visit for the Managing Director of coachbuilder H.J. Mulliner & Co. to the Derby chassis works. | 1st Dec 1938 | Box 142 \ 1 scan0288 | |
| Letter to the editor of 'Automotive Industries' magazine querying statistics on car 'Shipping Weight' and suggesting an additional data column. | 2nd Dec 1938 | Box 142 \ 1 scan0289 | |
| Request to Messrs. Felix Heilbronn for a catalogue and price list on Boar Horns and spare parts. | 2nd Dec 1938 | Box 142 \ 1 scan0290 | |
| Letter from 'The Motor' magazine discussing recent road tests and a proposal for a British Grand Prix racing car. | 5th Dec 1938 | Box 142 \ 1 scan0291 | |
| Letter from the Technical Editor discussing motor sport politics and previewing upcoming review topics. | 6th Dec 1938 | Box 142 \ 1 scan0292 | |
| Arranging a lunch meeting with the Managing Director of H.J. Mulliner & Co. | 6th Dec 1938 | Box 142 \ 1 scan0293 | |
| Itinerary and preparations for a visit by Sir Kingsley Wood to inspect various works. | 6th Dec 1938 | Box 142 \ 1 scan0294 | |
| Hand-drawn factory layout showing department locations and workflow. | 6th Dec 1938 | Box 142 \ 1 scan0295 | |
| Hand-drawn layout diagram of various foundry and workshop departments. | 7th Dec 1938 | Box 142 \ 1 scan0296 | |
| Outlining the transport and schedule arrangements for Sir Kingsley Wood's visit. | 7th Dec 1938 | Box 142 \ 1 scan0297 | |
| The cleanup of the Works yard for a visit by Sir Kingsley Wood. | 8th Dec 1938 | Box 142 \ 1 scan0298 | |
| Announcing a new production method for Chassis Lists of Parts (LOP). | 8th Dec 1938 | Box 142 \ 1 scan0299 | |
| Distribution list detailing specifications, scheme numbers, and notes for crankcase and bearing parts. | 8th Dec 1938 | Box 142 \ 1 scan0300 | |
| Parts list for the crankcase and bearings of a Wraith 3 chassis. | 9th Dec 1938 | Box 142 \ 1 scan0301 | |
| Announcement about Mr. John M. Lessells becoming a consultant on the mechanical properties of materials. | 9th Dec 1938 | Box 142 \ 1 scan0302 | |
| Doctor's letter regarding the health of a Mr. Roger Craster and a recommendation for travel. | 10th Dec 1938 | Box 142 \ 1 scan0303 | |
| Invitation to a Children's Christmas event. | 13th Dec 1938 | Box 142 \ 1 scan0304 | |
| Letter from Automotive Industries clarifying the calculation of shipping weights and effective tire diameters for American passenger cars. | 14th Dec 1938 | Box 142 \ 1 scan0305 | |
| Restructuring of the Aero Test and Service Department and the responsibilities of key personnel. | 16th Dec 1938 | Box 142 \ 1 scan0306 | |
| Suitability of Cave Browne Cave for the Phillips and Powis organisation following his visits concerning Lodge Plugs. | 19th Dec 1938 | Box 142 \ 1 scan0307 | |
| Sending three sample tubes of Jointing Compound supplied by Messrs. Simmonds Aerocessories, Ltd. for testing. | 20th Dec 1938 | Box 142 \ 1 scan0308 | |
| Request to Mr. Brown at Central Stores to return a packing case for a hoist lighting installation. | 23th Dec 1938 | Box 142 \ 1 scan0309 | |
| Listing jobs in progress and work to be completed for car models B.50, Wraith, and Silver Wraith. | 23th Dec 1938 | Box 142 \ 1 scan0310 | |
| Thank you letter to B. Rushton of Delco-Remy & Hyatt, Ltd. for a desk blotter and to wish him well for the new year. | 30th Dec 1938 | Box 142 \ 1 scan0311 | |
| Addressed to all testers regarding staff requirements for stocktaking on a Saturday. | 30th Dec 1938 | Box 142 \ 1 scan0312 | |
| Letter from 'The Motor' magazine discussing articles on rotary valves and Grand Prix racing car specifications. | 31th Dec 1938 | Box 142 \ 1 scan0313 | |
| Page 2 of a letter from the Technical Editor listing car descriptions and other items of interest. | 31th Dec 1938 | Box 142 \ 1 scan0314 | |
| Follow-up letter to Mr. Hives concerning correspondence from the Association of British Motor & Allied Manufacturers, Ltd. | 11th May 1918 | Box 142 \ 2 scan0001 | |
| Letter from the Association of British Motor and Allied Manufacturers regarding applications for materials for experimental post-war models. | 16th May 1918 | Box 142 \ 2 scan0002 | |
| Post-war production strategy for the 'Northcliffe' and 'After-the-War' chassis. | 16th May 1918 | Box 142 \ 2 scan0003 | |
| Letter from the Ministry of Reconstruction requesting a statement of material requirements for experimental post-war models. | 29th Apr 1918 | Box 142 \ 2 scan0004 | |
| Letter from The Association of British Motor and Allied Manufacturers Ltd. clarifying requirements for material applications for experimental post-war models. | 26th Apr 1917 | Box 142 \ 2 scan0005 | |
| Recommendation for Mr. Royce regarding materials for experimental post-war models. | 30th Apr 1918 | Box 142 \ 2 scan0006 | |
| Letter from the Motor Industry Branch Committee requesting a statement of material requirements for experimental post-war models. | 29th Apr 1918 | Box 142 \ 2 scan0007 | |
| Material and component specifications for the second batch of 500 40/50 HP chassis. | 8th Aug 1919 | Box 142 \ 2 scan0008 | |
| Production holds and design considerations for various vehicle components. | 1st Aug 1919 | Box 142 \ 2 scan0009 | |
| Ordering schedule for materials and components for a second batch of 500 40/50 hp chassis. | 11th Aug 1919 | Box 142 \ 2 scan0010 | |
| Material orders and design decisions for clutch, hub, pistons, and shock absorbers. | 11th Aug 1919 | Box 142 \ 2 scan0011 | |
| Material instructions for the second batch of 500 40/50 HP chassis. | 13th Aug 1919 | Box 142 \ 2 scan0012 | |
| Sourcing of wheels from Michelin or Dunlop for the next series of 500 chassis. | 15th Aug 1919 | Box 142 \ 2 scan0013 | |
| On the decision to continue using wire wheels for the second 500 40/50 HP chassis due to Michelin Disc Wheels being untested. | 19th Aug 1919 | Box 142 \ 2 scan0014 | |
| Material instructions for the first 1000 40/50 HP chassis. | 9th Sep 1919 | Box 142 \ 2 scan0015 | |
| Instructions and production holds for various vehicle components. | 4th Aug 1920 | Box 142 \ 2 scan0016 | |
| Status of parts held up for 'N' and 'O' series production. | 4th Aug 1920 | Box 142 \ 2 scan0017 | |
| The type of ignition tube to be used for the 'N' series engine and the potential scrapping of ordered fibre tubes. | 4th Aug 1920 | Box 142 \ 2 scan0018 | |
| Material ordering for 500 chassis, proposing a change from heavy steel castings to lighter sheetmetal pressings and drop forgings. | 23th Aug 1920 | Box 142 \ 2 scan0019 | |
| The in-house production of parts for 500 chassis, rather than ordering them in cast steel. | 26th Aug 1920 | Box 142 \ 2 scan0020 | |
| Held-up sections of the 'R' Series material pending experimental improvements. | 11th Feb 1921 | Box 142 \ 2 scan0021 | |
| Component standardization for push-button switches, pistons, and magnetos. | 23th Mar 1921 | Box 142 \ 2 scan0022 | |
| Material choices and component design for the 'R' series, including wiring schemes and engine feet. | 23th Mar 1921 | Box 142 \ 2 scan0023 | |
| Ceasing material orders for the 40/50 HP and planning for a new 40 HP chassis after the 'Goshawk II' project. | 10th Jun 1921 | Box 142 \ 2 scan0024 | |
| From R. to WD. regarding a procedure to maintain production output, referencing Mr. Claude Johnson's views. | 1st Jun 1921 | Box 142 \ 2 scan0025 | |
| Status and reconsideration of held-up parts for the 'R' Series production. | 25th Jul 1922 | Box 142 \ 2 scan0026 | |
| Dynamo proposals (Smith's vs Lucas) and rear engine feet material (steel castings vs drop forged). | 25th Jul 1922 | Box 142 \ 2 scan0027 | |
| Testing a soldering flux named 'Chemico' and requesting more for further experiments. | 11th Sep 1922 | Box 142 \ 2 scan0028 | |
| Material and modification instructions for the production of 250 Goshawk 11 chassis. | 29th Sep 1922 | Box 142 \ 2 scan0029 | |
| Continued list of production decisions for various vehicle components up to a quantity of 250 sets. | 29th Sep 1922 | Box 142 \ 2 scan0030 | |
| Instructions for parts including the improved type box, horn & fittings, and distribution board. | 29th Sep 1922 | Box 142 \ 2 scan0031 | |
| Material requirements and modifications for the 'R' Series 40/50 HP chassis. | 29th Sep 1922 | Box 142 \ 2 scan0032 | |
| Continued memorandum listing components affected by a design change and a decision on steering wheel implementation. | 29th Sep 1922 | Box 142 \ 2 scan0033 | |
| Material release and potential design improvements for Goshawk II series components. | 13th Oct 1932 | Box 142 \ 2 scan0034 | |
| Listing parts not required and to be modified for the 40/50 HP 'R' Series chassis. | 17th Oct 1922 | Box 142 \ 2 scan0035 | |
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