| Description | Date | Identifier | |
| Request for copies of various United States N.A.C.A. reports. | 27th Aug 1926 | Box 76 \ 3 scan0274 | |
| Request for copies of several United States N.A.C.A. reports. | 27th Aug 1926 | Box 76 \ 3 scan0275 | |
| Letter from Maurice Olley in Springfield to E. W. Hives in Derby, regarding a request for air service information circulars. | 8th Sep 1926 | Box 76 \ 3 scan0276 | |
| Letter from Rolls-Royce of America confirming the order of N.A.C.A. reports for Rolls-Royce in Derby. | 10th Sep 1926 | Box 76 \ 3 scan0277 | |
| Arranging for the Experimental Department to be supplied with a weekly copy of 'The Flight' journal. | 11th Sep 1926 | Box 76 \ 3 scan0278 | |
| Letter from the American branch to the UK branch enclosing air service information circulars. | 20th Sep 1926 | Box 76 \ 3 scan0279 | |
| Payment be forwarded to the Society of Automotive Engineers for their Transactions publication. | 24th Sep 1926 | Box 76 \ 3 scan0280 | |
| Requesting 3 copies of a list of specified Air Service Information Circulars. | 1st Oct 1926 | Box 76 \ 3 scan0281 | |
| Recommending the purchase of a book on physical and chemical constants. | 10th Oct 1926 | Box 76 \ 3 scan0282 | |
| The purchase of the book 'The Mechanical Properties of Fluids'. | 10th Oct 1926 | Box 76 \ 3 scan0283 | |
| Letter from the National Geographic Society inviting nominations for membership. | 11th Nov 1926 | Box 76 \ 3 scan0284 | |
| Recommendation form for membership to the National Geographic Society. | 30th Nov 1926 | Box 76 \ 3 scan0285 | |
| Letter from the Springfield, Mass. office to the Derby, England office listing available Air Service Information Circulars. | 30th Nov 1926 | Box 76 \ 3 scan0286 | |
| The order and receipt of Air Service Information Circulars. | 14th Dec 1926 | Box 76 \ 3 scan0287 | |
| Clarifying an error where National Advisory Committee for Aeronautics reports were supplied instead of the requested Air Service Information Circulars. | 27th Jan 1927 | Box 76 \ 3 scan0288 | |
| Requesting a remittance of 2 dollars for Part 11 of Vol. 20 (1925). | 21th Feb 1927 | Box 76 \ 3 scan0289 | |
| Communication with the publishers of 'Automotive Industries'. | 29th Aug 1927 | Box 76 \ 3 scan0290 | |
| Letter from the American branch to the UK branch regarding a copy of the 'Omnia' publication. | 17th Sep 1927 | Box 76 \ 3 scan0291 | |
| Forwarding a coupon and payment to The Society of Automotive Engineers Transactions. | 30th Sep 1927 | Box 76 \ 3 scan0292 | |
| Request to obtain one volume of 'The Dictionary of Applied Physics' on approval. | 14th Nov 1927 | Box 76 \ 3 scan0293 | |
| The return of an unsuitable book titled 'A Dictionary of Applied Physics'. | 28th Nov 1927 | Box 76 \ 3 scan0294 | |
| Performance specifications and track capabilities of a Renault car compared to a 10-EX. | 9th Dec 1927 | Box 76 \ 3 scan0295 | |
| Request to arrange a subscription for the French journal 'La Vie Automobile'. | 28th Dec 1927 | Box 76 \ 3 scan0296 | |
| Request to obtain a book titled 'Mechanics applied to engineering'. | 16th Jan 1928 | Box 76 \ 3 scan0297 | |
| Request for a remittance of 2 dollars for a subscription to 'Transactions'. | 16th Apr 1928 | Box 76 \ 3 scan0298 | |
| Requesting to forward an attached order for a copy of 'Transactions Part 1. 1927'. | 12th Oct 1928 | Box 76 \ 3 scan0299 | |
| Letter from Lake & Elliot Ltd. regarding the supply of different types of car jacks. | 23th Oct 1919 | Box 76 \ 4 scan0001 | |
| Letter from Lake & Elliot Ltd. concerning the supply and specifications of a car jack. | 23th Oct 1919 | Box 76 \ 4 scan0002 | |
| The performance and suitability of a Lake and Elliott jack. | 6th May 1912 | Box 76 \ 4 scan0003 | |
| Front-view photograph of a vintage car on a jack, displaying its chassis and number plate. | 5th Dec 1919 | Box 76 \ 4 scan0004 | |
| Internal request for a report on two jacks supplied on approval for the Test and Repair Departments. | 5th Dec 1919 | Box 76 \ 4 scan0005 | |
| Inquiry about the performance of two experimental jacks made by Messrs. Lake and Elliott Ltd. | 6th Dec 1919 | Box 76 \ 4 scan0006 | |
| Urgent request for a report on two jacks supplied on approval by Messrs. Lake & Elliott. | 10th Dec 1919 | Box 76 \ 4 scan0007 | |
| Test report for an Atlas Jack. | 22th Apr 1912 | Box 76 \ 4 scan0008 | |
| Test report on the performance of an Atlas Jack. | 6th May 1912 | Box 76 \ 4 scan0009 | |
| Advertising leaflet for 'The Atlas Ball Bearing Jack'. | 18th Oct 1920 | Box 76 \ 4 scan0010 | |
| Promotional leaflet for 'The Atlas Ball Bearing Jack' from the Birmingham Motor Hood and Fittings Co., Ltd. | 18th Oct 1920 | Box 76 \ 4 scan0011 | |
| Testing and features of 'Rapid' Jacks for potential use on cars. | 27th Jun 1919 | Box 76 \ 4 scan0012 | |
| Technical review and rejection of 'Rapid' Jacks for use on cars due to weight, safety, and quality concerns. | 27th Jun 1919 | Box 76 \ 4 scan0013 | |
| Continued discussion on car jack operation, comparing the 'Rapid' and 'Michelin' models and suggesting axle pad improvements. | 27th Jun 1919 | Box 76 \ 4 scan0014 | |
| Letter concerning the supply and demonstration of integral car jacks, emphasizing their safety. | 14th Jun 1919 | Box 76 \ 4 scan0015 | |
| Page 2 of a letter by F. Lionel Rapson regarding the standardisation of the 'Rapson' Jack. | 16th Apr 1919 | Box 76 \ 4 scan0016 | |
| Specification and pricing proposal for 'Rapson' Jacks. | 30th Jun 1919 | Box 76 \ 4 scan0017 | |
| Letter to F. Lionel Rapson criticising the design of his jack. | 30th Jun 1919 | Box 76 \ 4 scan0018 | |
| Article from 'The Motor' magazine describing a new integrated rapid jacking system for motorcars. | 18th Jun 1919 | Box 76 \ 4 scan0019 | |
| Page from 'The Motor' magazine discussing new automotive features like Rapid Jacks, an unpuncturable tyre, and a hood lifting device. | 18th Jun 1919 | Box 76 \ 4 scan0020 | |
| Noting the results of experiments on a 'Rapid' Jack and the decision not to recommend it. | 12th Jul 1919 | Box 76 \ 4 scan0021 | |
| Fitting instructions for the Rapson Hook-On Jack axle fittings. | 12th Jul 1919 | Box 76 \ 4 scan0022 | |
| Instructions on how to correctly use the 'Universal' Model Rapson Rapid Jack. | 12th Jul 1919 | Box 76 \ 4 scan0023 | |
| Instructions and warnings for the operation of a Rapson Jack. | 1st Oct 1920 | Box 76 \ 4 scan0024 | |
| Internal request to order one portable hook-on type jack from Rapson Automobile Patents Ltd. | 1st Oct 1920 | Box 76 \ 4 scan0025 | |
| Evaluation of Rapson brand tyres, jacks, and dipping headlights. | 5th Dec 1921 | Box 76 \ 4 scan0026 | |
| Client request for the supply and cost of Rapson Jack fittings for a 20 HP chassis, with internal notes regarding availability. | 19th Jan 1923 | Box 76 \ 4 scan0027 | |
| Instructions for modifying the front and rear fitment of a Rapson Jack for a 20 HP vehicle. | 23th Feb 1923 | Box 76 \ 4 scan0028 | |
| Instructions regarding modifications to rear axle fittings and jacks. | 13th Mar 1918 | Box 76 \ 4 scan0029 | |
| Criticisms and recommendations regarding the fitting of Rapson Jacks to 20 HP cars. | 28th Feb 1923 | Box 76 \ 4 scan0030 | |
| Cover note regarding correspondence with the Rapson Tyre and Jack Company. | 14th Mar 1923 | Box 76 \ 4 scan0031 | |
| Letter to Rapson Tyre and Jack Company Ltd. regarding the fitting of Rapson Jacks. | 14th Mar 1923 | Box 76 \ 4 scan0032 | |
| Letter from Rapson Tyre & Jack Co. Ltd. regarding fittings on a 20 HP chassis. | 13th Mar 1923 | Box 76 \ 4 scan0033 | |
| Letter responding to an enquiry about the fitting and modification of axle clips for a 20 HP chassis. | 13th Mar 1923 | Box 76 \ 4 scan0034 | |
| Letter from Rapson Tyre and Jack Co. Ltd. regarding a modification to a Front Fitting for trial purposes. | 13th Mar 1923 | Box 76 \ 4 scan0035 | |
| Price list for Rapson Super Tyres with guaranteed minimum mileages. | 1st Mar 1923 | Box 76 \ 4 scan0036 | |
| Rapson tyre pressures, guarantee, and retail price list. | 1st Mar 1923 | Box 76 \ 4 scan0037 | |
| The satisfactory fitting of a Rapson Jack to the 40/50 chassis. | 29th Jun 1923 | Box 76 \ 4 scan0038 | |
| Fitting of Rapson jacks to a 40/50 chassis and a suggestion to place an order for more. | 7th Jul 1923 | Box 76 \ 4 scan0039 | |
| Sending a dozen 'Dermatine' joints for testing on an engine. | 10th Nov 1913 | Box 76 \ 4 scan0040 | |
| Requesting a comparative test of new 'Dermatine' joints against the standard rubber insertion joints. | 12th Nov 1913 | Box 76 \ 4 scan0041 | |
| The performance of Dermatine washers for water pipe joints. | 26th Jan 1914 | Box 76 \ 4 scan0042 | |
| Testing of dermatine washers for water pipe joints and the potential for standardization. | 26th Jan 1914 | Box 76 \ 4 scan0043 | |
| Use of Dermatine Washers for water pipe joints to avoid future replacements. | 29th Jan 1914 | Box 76 \ 4 scan0044 | |
| Departmental memo regarding the testing and ordering of Dermatine washers for engines. | 31th Jan 1914 | Box 76 \ 4 scan0045 | |
| The testing and standardisation of Dermatine washers. | 2nd Feb 1914 | Box 76 \ 4 scan0046 | |
| To Mr Dalley regarding the urgent fitting and potential standardization of Dermatine Washers. | 3rd Feb 1914 | Box 76 \ 4 scan0047 | |
| Proposing a 10,000-mile test for a set of Dermatine Joint Washers. | 26th Feb 1914 | Box 76 \ 4 scan0048 | |
| The dispatch of Dermatine Joint Washers for chassis 2704. | 28th Feb 1914 | Box 76 \ 4 scan0049 | |
| Testing and standardization of Dermatine Joint Washers on chassis 7CA. | 28th Feb 1914 | Box 76 \ 4 scan0050 | |
| Instruction regarding the used-up stock of Dermatine Washers for chassis 7CA and a request for a further supply to be ordered. | 22th Apr 1914 | Box 76 \ 4 scan0051 | |
| Order for Dermatine Washers for chassis 7 CA and the Experimental Shop, with a subsequent query for the quantity. | 23th Apr 1914 | Box 76 \ 4 scan0052 | |
| Chasing a delayed order of Dermatine Washers for Mr. Royce. | 22th May 1914 | Box 76 \ 4 scan0053 | |
| Request for Dermatine washers and their subsequent dispatch to Spain and Le Canadel. | 25th May 1914 | Box 76 \ 4 scan0054 | |
| Note on the use of Dermantine washers for joints, their drawing reference, and potential reusability. | 26th May 1914 | Box 76 \ 4 scan0055 | |
| Instructing the shipping department to dispatch two sets of Dermantine washers to Mr Royce and Mr De Salamanca. | 27th May 1914 | Box 76 \ 4 scan0056 | |
| Internal query regarding a report on the suitability of Dermatine water pipe joints for standard use. | 26th Jun 1914 | Box 76 \ 4 scan0057 | |
| Report on Dermantine washers for standardization, with a handwritten reply. | 27th Jun 1914 | Box 76 \ 4 scan0058 | |
| Testing, approval, and fitting of Dermantine washers. | 27th Jun 1914 | Box 76 \ 4 scan0059 | |
| Standardisation of Dermatine Washers. | 8th Jul 1914 | Box 76 \ 4 scan0060 | |
| Agreeing to the standardisation of Dermantine Water Pipe Washers. | 27th Jul 1914 | Box 76 \ 4 scan0061 | |
| Confirming agreement for the standardisation of Dermatine Water Pipe Washers. | 29th Jul 1914 | Box 76 \ 4 scan0062 | |
| Experimental parts fitted to a Tool Engine. | 19th Sep 1914 | Box 76 \ 4 scan0063 | |
| Internal query asking for a status update on a report concerning Dermatine washers for water connections. | 14th Dec 1914 | Box 76 \ 4 scan0064 | |
| Request to the Order Office to purchase a small quantity of Dermatine Washers for testing. | 21th Dec 1914 | Box 76 \ 4 scan0065 | |
| The supply of Dermatine Washers and Joints for testing. | 21th Dec 1914 | Box 76 \ 4 scan0066 | |
| Reporting the successful testing of Dernatine water pipe washers, which could be reused multiple times. | 9th Jun 1915 | Box 76 \ 4 scan0067 | |
| Standardisation sheet notifying that Dermatine Water Pipe Washers have been standardised for the 'K' Series. | 28th Jan 1915 | Box 76 \ 4 scan0068 | |
| Standardisation of chassis parts, specifically Dermatine water pipe washers. | 19th Jan 1915 | Box 76 \ 4 scan0069 | |
| Forwarding a Weiss universal joint sample to Derby for Mr. Royce's inspection. | 7th May 1925 | Box 76 \ 4 scan0070 | |
| Blueprint of universal joints sent from the U.S.A. which were not fitted to any Derby car. | 9th Nov 1927 | Box 76 \ 4 scan0071 | |
| The shipment and examination of a Weiss Universal Joint. | 22th Dec 1925 | Box 76 \ 4 scan0072 | |
| Potential use of a Weiss Universal Joint in the 40/50 model's propeller shaft. | 29th Dec 1925 | Box 76 \ 4 scan0073 | |
| AJS to HS requesting a Weiss joint be sent for inspection. | 3rd Feb 1926 | Box 76 \ 4 scan0074 | |
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