| Description | Date | Identifier | |
| Vehicle body design, including spare wheel location, door construction, and mudguard aerodynamics. | 12th Dec 1931 | Box 24 \ 1 Scan052 | |
| Car body design evolution, focusing on cornering, wings, footboards, and lamp positioning. | 12th Dec 1931 | Box 24 \ 1 Scan053 | |
| Typed report on the evolution of car design, discussing various models and the safety aspects of front-engine placement. | 12th Dec 1931 | Box 24 \ 1 Scan054 | |
| Analysis of crash safety concerning retardation rates, crumple zones, and the advantages of rear-engined vehicles. | 12th Dec 1931 | Box 24 \ 1 Scan055 | |
| The superiority of a new car design and the strategic opportunity it presents in the automotive market. | 14th Dec 1931 | Box 24 \ 1 Scan056 | |
| Letter from Streamline Cars, Ltd. regarding criticisms of a draft, trials of their No.8 car, and a planned trip to the New York Motor Show. | 14th Dec 1931 | Box 24 \ 1 Scan057 | |
| The concluding page of a letter discussing a trial to be carried out in Derby. | 15th Dec 1931 | Box 24 \ 1 Scan058 | |
| Continued friendly interest in the Burney Car and a paper for the American Automobile Engineers. | 15th Dec 1931 | Box 24 \ 1 Scan059 | |
| Sir Denistoune-Burney's paper on the advantages of the Burney car and the company's subsequent interest. | 14th Dec 1931 | Box 24 \ 1 Scan060 | |
| Letter to Sir Dennis Burney discussing the steering, silencing, and suspension of streamlined cars. | 16th Dec 1931 | Box 24 \ 1 Scan061 | |
| Letter discussing weight distribution, aerodynamics, and travel arrangements. | 6th Dec 1931 | Box 24 \ 1 Scan062 | |
| Letter from Streamline Cars, Ltd. discussing braking, weight distribution, and stability at speed. | 17th Dec 1931 | Box 24 \ 1 Scan063 | |
| Letter discussing the potential addition of a fin to a car's tail area. | 18th Dec 1931 | Box 24 \ 1 Scan064 | |
| Circulating Sir Dennis Burney's paper on the streamlined car. | 18th Dec 1931 | Box 24 \ 1 Scan065 | |
| Letter to Sir Dennis Burney regarding travel plans to Detroit and a referral to engineer W. Parsons. | 21th Dec 1931 | Box 24 \ 1 Scan066 | |
| Potential association with Sir Dennis Burney regarding his streamlined car. | 22th Dec 1931 | Box 24 \ 1 Scan067 | |
| Letter from Streamline Cars, Ltd. discussing potential manufacturing arrangements, a lecture in Detroit, and travel plans. | 24th Dec 1931 | Box 24 \ 1 Scan068 | |
| Relaying a message from Burney regarding a meeting with Mr. W. Parsons about manufacturing arrangements. | 29th Dec 1931 | Box 24 \ 1 Scan069 | |
| Cover note for an enclosed report on the Burney car. | 31th Dec 1931 | Box 24 \ 1 Scan070 | |
| Trial of Sir Dennistoun Burney's car, detailing its performance and design features. | 6th Jan 1932 | Box 24 \ 1 Scan071 | |
| Continued assessment of the Burney car's design features, comparing them to conventional car capabilities. | 1st Jan 1932 | Box 24 \ 1 Scan072 | |
| Returning a description and photographs of the Burney car, expressing interest in the design's future. | 19th Jan 1932 | Box 24 \ 1 Scan073 | |
| Treatise on independent springing and its potential benefits for chassis design. | 23th Jan 1932 | Box 24 \ 1 Scan074 | |
| From Sg. to Hs. requesting a report on the Burney Car for a meeting the next day. | 27th Apr 1932 | Box 24 \ 1 Scan075 | |
| Magazine article detailing the history, design, and specifications of the unconventional Burney Streamline car. | 1st Dec 1991 | Box 24 \ 1 Scan076 | |
| Magazine article from 'Motor Sport' detailing the history of the Burney Streamline car. | 1st Dec 1991 | Box 24 \ 1 Scan077 | |
| Page from 'Motor Sport' magazine featuring articles on historical cars and motoring events. | 1st Dec 1991 | Box 24 \ 1 Scan078 | |
| The reverse side of a press photograph with an agency stamp and handwritten reference number. | 13th Dec 1918 | Box 24 \ 1 Scan081 | |
| The reverse side of a photograph with a press agency stamp and handwritten reference number. | 13th Dec 1918 | Box 24 \ 1 Scan083 | |
| Black and white photograph showing a profile view of a streamlined saloon car parked on a street. | 13th Dec 1918 | Box 24 \ 1 Scan084 | |
| Photograph of a streamlined saloon with a large rear boot, rear three-quarter view. | 13th Dec 1918 | Box 24 \ 1 Scan085 | |
| Sourcing insulating material samples for machine testing at the request of Mr. Royce. | 28th Jul 1919 | Box 24 \ 2 Scan001 | |
| List of material suppliers and their products, with associated internal reference numbers. | 28th Jul 1919 | Box 24 \ 2 Scan002 | |
| List of material suppliers, their addresses, and the materials they provide. | 28th Jul 1919 | Box 24 \ 2 Scan003 | |
| Letter from a supplier regarding the provision of insulating materials for testing purposes. | 31th Jul 1919 | Box 24 \ 2 Scan004 | |
| Letter regarding an enquiry for insulating materials and the need for an import licence from the Board of Trade. | 31th Jul 1919 | Box 24 \ 2 Scan005 | |
| Letter from The Beldam Tyre Co. Ltd. regarding a sample of 'Beldalite' insulating material. | 1st Aug 1919 | Box 24 \ 2 Scan006 | |
| Receiving letters and samples for insulating materials from various firms. | 2nd Aug 1919 | Box 24 \ 2 Scan007 | |
| Listing letters and samples of insulating materials received from various companies. | 1st Aug 1919 | Box 24 \ 2 Scan008 | |
| Enquiry for insulating materials sent to Messrs H. Weidman Ltd. which was returned without comment. | 11th Aug 1919 | Box 24 \ 2 Scan009 | |
| Suitability of insulating materials for the Self-Starter Motor. | 13th Aug 1919 | Box 24 \ 2 Scan010 | |
| Letter offering to send samples of various insulating materials for testing. | 14th Nov 1919 | Box 24 \ 2 Scan011 | |
| Letter detailing various insulating materials like varnished cloths, tapes, silks, and micanite sheets. | 14th Nov 1919 | Box 24 \ 2 Scan012 | |
| Directive from Mr. Royce regarding the production testing of insulation materials for electrical apparatus. | 22th Dec 1919 | Box 24 \ 2 Scan013 | |
| A revised quotation for an impregnating plant and a sample of 'Electrilac' varnish. | 2nd Jan 1920 | Box 24 \ 2 Scan014 | |
| Letter from Dryers Limited regarding a revised estimate for a plant and a new varnish sample. | 12th Jan 1920 | Box 24 \ 2 Scan015 | |
| Promotional document for a special insulating varnish named ELECTRILAC from The Rustnot Co. | 12th Jan 1920 | Box 24 \ 2 Scan016 | |
| Promotional leaflet for Litholite Insulators Limited, detailing their contact information and services. | 17th Feb 1920 | Box 24 \ 2 Scan017 | |
| List of various insulation materials handed to RHC for experimentation. | 17th Feb 1920 | Box 24 \ 2 Scan018 | |
| Loosening of nuts on the main switch due to the shrinkage of insulating washers. | 1st Mar 1920 | Box 24 \ 2 Scan019 | |
| The brittleness of fuse holders made from various materials. | 15th Apr 1920 | Box 24 \ 2 Scan020 | |
| The manufacturing of fuse holders from various materials, noting some are too brittle. | 16th Apr 1920 | Box 24 \ 2 Scan021 | |
| Test report on the shrinkage of a main switch's insulation materials due to heating. | 23th Apr 1920 | Box 24 \ 2 Scan022 | |
| The effects of heat on micanite and Vulcasbestos insulation materials within a switch. | 8th Jun 1920 | Box 24 \ 2 Scan023 | |
| Letter from Dieny & Lucas offering a sample of the 'Soupliso' perfect conduit and wiring system. | 8th Jun 1920 | Box 24 \ 2 Scan024 | |
| Letter from Dieny & Lucas introducing 'SOUPLISO' tubing for automotive electrical wiring. | 1st May 1920 | Box 24 \ 2 Scan025 | |
| Provisional price list for 'Soupliso' electric wire protective casing. | 1st May 1920 | Box 24 \ 2 Scan026 | |
| Page from 'The Electrical Review' discussing cable faults, composition vs porcelain insulators, and labour conditions for engineers. | 18th Jun 1920 | Box 24 \ 2 Scan027 | |
| Page from 'The Electrical Review' journal featuring business notes and a pasted French brochure slip. | 18th Jun 1920 | Box 24 \ 2 Scan028 | |
| Gathering samples of insulating materials from various firms for testing. | 30th Jul 1920 | Box 24 \ 2 Scan029 | |
| Design improvements for a distribution board, focusing on insulation materials and terminal connections. | 14th Aug 1920 | Box 24 \ 2 Scan030 | |
| Request for particulars of a transformer for testing insulating materials. | 27th Aug 1920 | Box 24 \ 2 Scan031 | |
| Material selection for a distributing board, focusing on insulation and contact maker elasticity. | 27th Aug 1920 | Box 24 \ 2 Scan032 | |
| Outlining the requirements for two high-tension transformers for insulation testing. | 22th Sep 1920 | Box 24 \ 2 Scan033 | |
| Letter from Metropolitan-Vickers Electrical Co. Ltd. declining to provide a quotation for a testing transformer. | 1st Oct 1920 | Box 24 \ 2 Scan034 | |
| Letter from The British Thomson-Houston Co. Ltd. declining to provide a quote for high tension transformers. | 5th Oct 1920 | Box 24 \ 2 Scan035 | |
| Instruction regarding the testing and sourcing of 'Continental Fibre' for fuse holders. | 5th May 1920 | Box 24 \ 2 Scan036 | |
| Letter from The British Electrical Transformer Co. Ltd. regarding a transformer for insulation testing. | 9th Oct 1920 | Box 24 \ 2 Scan037 | |
| Quotation from Foster Engineering Co. Ltd. for two single-phase oil-cooled transformers. | 12th Oct 1920 | Box 24 \ 2 Scan038 | |
| Quotation from The British Electric Transformer Co. for transformers for insulation testing. | 18th Oct 1920 | Box 24 \ 2 Scan039 | |
| Conclusion of a quotation letter from The British Electric Transformer Co. Ltd., with an internal remark. | 26th Oct 1920 | Box 24 \ 2 Scan040 | |
| Letter discussing a Delco magnetic circuit breaker and Bakelized canvas for insulation. | 26th Oct 1920 | Box 24 \ 2 Scan041 | |
| Quotations for a transformer for insulation testing and listing potential alternative suppliers. | 26th Oct 1920 | Box 24 \ 2 Scan042 | |
| Required electrical capacity to Messrs. Mitchells and Messrs. H.W. Sullivan. | 26th Oct 1920 | Box 24 \ 2 Scan043 | |
| Instructions detailing a scheme for testing the breakdown voltage of various insulation materials. | 29th Jan 1920 | Box 24 \ 2 Scan044 | |
| Instructions for insulation testing procedures for varnishes and paper. | 24th Jan 1919 | Box 24 \ 2 Scan045 | |
| Instructions for insulation testing procedures on treated and untreated fabrics. | 24th Jan 1919 | Box 24 \ 2 Scan046 | |
| Instructions for insulation testing procedures. | 24th Jan 1919 | Box 24 \ 2 Scan047 | |
| Instructions for a series of tests on insulation, sparking plugs, and commutators. | 24th Jan 1919 | Box 24 \ 2 Scan048 | |
| Instruction sheet detailing procedures for insulation testing on condensers and varnishes. | 24th Jan 1919 | Box 24 \ 2 Scan049 | |
| Instructions for a series of tests on insulation material, including mechanical, water absorption, and oil solubility tests. | 24th Jan 1919 | Box 24 \ 2 Scan050 | |
| Instructions for insulation and asbestos testing procedures. | 24th Jan 1919 | Box 24 \ 2 Scan051 | |
| Instructions for testing the properties of various insulation materials like ebonite, vulcanite, and porcelain. | 24th Jan 1919 | Box 24 \ 2 Scan052 | |
| Instructions for insulation and fibres testing procedures. | 24th Jan 1919 | Box 24 \ 2 Scan053 | |
| Instructions for continuing the testing of insulation materials like steatite and porcelain for sparking plugs. | 24th Jan 1919 | Box 24 \ 2 Scan054 | |
| Instruction sheet detailing the apparatus required for insulation testing. | 20th Oct 1920 | Box 24 \ 2 Scan055 | |
| Specifications for insulation testing apparatus including an electrode, test plate, feeler, and oven. | 24th Jan 1919 | Box 24 \ 2 Scan056 | |
| Continued list of apparatus required for insulation testing. | 24th Jan 1919 | Box 24 \ 2 Scan057 | |
| Quotation letter from H.W. Sullivan for single-phase oil-filled Potential Transformers. | 6th Nov 1920 | Box 24 \ 2 Scan058 | |
| Letter from paper manufacturers Spicer Brothers regarding 'Sistoflex' electrical insulating materials for motor cars. | 9th Nov 1920 | Box 24 \ 2 Scan059 | |
| Product specification sheet for Sistoflex insulating flexible tubes and sleevings from Spicer Brothers Limited. | 9th Nov 1920 | Box 24 \ 2 Scan060 | |
| Suggesting a supplier, Messrs. Watson & Sons, for a transformer for insulation testing. | 9th Nov 1920 | Box 24 \ 2 Scan061 | |
| Specifications for a transformer used for insulation testing to observe the breakdown voltage of samples. | 17th Nov 1920 | Box 24 \ 2 Scan062 | |
| Procurement process and quotations for a transformer for insulation testing. | 19th Nov 1920 | Box 24 \ 2 Scan063 | |
| Continuation of a letter handing over responsibility for a matter and future correspondence. | 19th Nov 1920 | Box 24 \ 2 Scan064 | |
| Quotation from Mitchell's Electrical & Wireless Ltd. for two single-phase oil-cooled transformers and transformer oil. | 19th Nov 1920 | Box 24 \ 2 Scan065 | |
| Letter detailing guarantee, performance, and pricing information, including technical suggestions for voltage regulation. | 19th Nov 1920 | Box 24 \ 2 Scan066 | |
| Quotation from Mitchell's Electrical & Wireless Ltd. for an air-cooled transformer and a testing transformer. | 19th Nov 1920 | Box 24 \ 2 Scan067 | |
| Letter from a supplier detailing the specifications, cost, and delivery for an oil-immersed insulation testing transformer. | 23th Nov 1920 | Box 24 \ 2 Scan068 | |
| Letter from Rolls Royce of America regarding materials used in the Eisemann Magneto gear wheel. | 29th Nov 1920 | Box 24 \ 2 Scan069 | |
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