| Description | Date | Identifier | |
| Letter to the Ford Motor Company regarding the return of a loaned Model 40 rear axle assembly. | 24th May 1935 | Box 114 \ 1 scan0009 | |
| Requesting the return despatch of a loaned Ford Model 40 rear axle assembly. | 24th May 1935 | Box 114 \ 1 scan0010 | |
| Weight comparison of a V.8 Ford and a Bentley rear axle and propeller shaft. | 24th May 1935 | Box 114 \ 1 scan0011 | |
| Request to order Scott Weldless Axle Casing Tubes from Rubery Owen for bending tests on the Wraith model. | 9th Apr 1936 | Box 114 \ 1 scan0012 | |
| Test procedure for a sample Scott banjo axle for the Wraith model. | 22th May 1936 | Box 114 \ 1 scan0013 | |
| Comparing the construction and part count of a Ford axle to a Bentley axle. | 7th Jun 1935 | Box 114 \ 1 scan0014 | |
| Detailed weight breakdown of a Ford rear axle assembly and its various components. | 15th May 1935 | Box 114 \ 1 scan0015 | |
| List of detail weights for Ford rear axle components, Sheet 2. | 13th Jun 1935 | Box 114 \ 1 scan0016 | |
| Cover note attaching a copy of a document with particulars of the Ford Rear Axle. | 13th Jun 1935 | Box 114 \ 1 scan0017 | |
| Cover note attaching a document with particulars of the Ford Rear Axle. | 13th Jun 1935 | Box 114 \ 1 scan0018 | |
| Sending scheme drawings for a proposed wraith axle and requesting a cost comparison with the 25/30 arrangement. | 4th Aug 1936 | Box 114 \ 1 scan0019 | |
| Letter to Ford requesting information on the construction and cost of their V.8 rear axle. | 19th Aug 1936 | Box 114 \ 1 scan0020 | |
| Letter to Rubery Owen Ltd. arranging a meeting to discuss the Scott tube and back axle construction. | 21th Aug 1936 | Box 114 \ 1 scan0021 | |
| Letter from Rubery Owen & Co. Ltd arranging a meeting to discuss the rear axle casing. | 24th Aug 1936 | Box 114 \ 1 scan0022 | |
| Thank you letter to Ford Motor Co. Ltd. following a visit, with a request for information on tool costs for back axles. | 28th Aug 1936 | Box 114 \ 1 scan0023 | |
| Letter to M. Wilks of The Rover Motor Co. Ltd. to arrange a meeting to discuss the pros and cons of banjo axle construction. | 28th Aug 1936 | Box 114 \ 1 scan0024 | |
| Letter from supplier Rubery Owen & Co Ltd regarding a quotation for rear axle casings and axle arm ends. | 28th Aug 1936 | Box 114 \ 1 scan0025 | |
| Letter to Rubery Owen Ltd. concerning the end pieces of a Banjo rear axle drawing. | 28th Aug 1936 | Box 114 \ 1 scan0026 | |
| Letter from The Rover Company Ltd arranging a meeting to discuss banjo axle construction. | 29th Aug 1936 | Box 114 \ 1 scan0027 | |
| Letter to M.C. Wilks of The Rover Company Ltd. arranging a meeting to discuss banjo axle construction. | 31th Aug 1936 | Box 114 \ 1 scan0028 | |
| Letter to Ford Motor Co. Ltd. about acquiring a Ford V.8 rear axle and discussing oil consumption research. | 1st Sep 1936 | Box 114 \ 1 scan0029 | |
| Quotation from Rubery Owen & Co. for various rear axle casings and tubes. | 4th Sep 1936 | Box 114 \ 1 scan0030 | |
| Letter from Rubery, Owen & Co. Ltd. detailing specifications, delivery, and payment terms for a 'Scott' Patent Weldless Rear Axle Casing. | 4th Sep 1936 | Box 114 \ 1 scan0031 | |
| Quotation from Tubes Limited for hot finished weldless steel tubing. | 16th Sep 1936 | Box 114 \ 1 scan0032 | |
| Letter to M. Wilks of The Rover Company Ltd. detailing clutch, gearbox, and propeller shaft damper specifications. | 4th Sep 1936 | Box 114 \ 1 scan0033 | |
| Letter from Ford Motor Company discussing the supply and tooling costs of a 'V-8' Rear Axle. | 11th Sep 1936 | Box 114 \ 1 scan0034 | |
| Letter to the Ford Motor Company regarding the supply of a V.8 axle, hubs and wheels. | 16th Sep 1936 | Box 114 \ 1 scan0035 | |
| Outlining recommendations for rear axle construction, including testing a Ford axle and considering a half-floating design. | 24th Sep 1936 | Box 114 \ 1 scan0036 | |
| Cost-saving analysis for altering rear axle construction by comparing different designs. | 24th Sep 1936 | Box 114 \ 1 scan0037 | |
| Use of half-floating axle shafts for cost reduction and comparison with other manufacturers. | 24th Sep 1936 | Box 114 \ 1 scan0038 | |
| Technical memorandum discussing the design and cost-saving potential of a new rear axle construction for the Wraith model. | 24th Sep 1936 | Box 114 \ 1 scan0039 | |
| Technical comparison of various axle designs, including Ford, Bentley, Rover, and Lagonda, with a focus on half-floating axles. | 24th Sep 1936 | Box 114 \ 1 scan0040 | |
| Recommendations for a new axle design, including specifications for half shafts, axle tubes, and materials. | 24th Sep 1936 | Box 114 \ 1 scan0041 | |
| Pros and cons of half-floating axles and pressed wheels. | 24th Sep 1936 | Box 114 \ 1 scan0042 | |
| Letter from Ford Motor Company quoting a price for a V.8 rear axle and suggesting suppliers for butt welding equipment. | 25th Sep 1936 | Box 114 \ 1 scan0043 | |
| Letter to Ford Motor Co. Ltd. regarding welding equipment for rear axle tubes and the V-8 rear axle. | 29th Sep 1936 | Box 114 \ 1 scan0044 | |
| Enquiry to The Electric Welding Appliances Co. Ltd. about butt welding rear axle tubes. | 1st Oct 1936 | Box 114 \ 1 scan0045 | |
| Letter to British Insulated Cables Ltd. enquiring about butt welding services for rear axle tubes. | 1st Oct 1936 | Box 114 \ 1 scan0046 | |
| Letter from Rubery, Owen & Co. Ltd apologising for an interruption during a meeting and updating on the progress of dies for frames. | 1st Oct 1936 | Box 114 \ 1 scan0047 | |
| Letter from British Insulated Cables Ltd. declining an electric welding job and suggesting an alternative supplier. | 2nd Oct 1936 | Box 114 \ 1 scan0048 | |
| Inquiry to Messrs. Rogers, Wilson & Co. Ltd. about their capability to weld rear axle tubes and a request for a quotation. | 5th Oct 1936 | Box 114 \ 1 scan0049 | |
| Change in rear axle design for the Wraith from a Scott tube to a welded banjo type. | 5th Oct 1936 | Box 114 \ 1 scan0050 | |
| Axle design, comparing banjo-style with alternative constructions and re-evaluating cost figures for various models. | 24th Sep 1936 | Box 114 \ 1 scan0051 | |
| Cost and feasibility analysis comparing different welded axle designs, specifically a banjo type versus a butt-welded tube design. | 24th Sep 1936 | Box 114 \ 1 scan0052 | |
| Report discussing the viability of welded joints and various floating axle designs, with references to issues at Rover and Leyland. | 24th Sep 1936 | Box 114 \ 1 scan0053 | |
| Axle design, breakage issues, and recommendations against adopting certain types of axles. | 24th Sep 1936 | Box 114 \ 1 scan0054 | |
| Axle design, comparing the Wraith banjo axle with a modified 25/30 rear axle. | 5th Oct 1936 | Box 114 \ 1 scan0055 | |
| Letter from A-I Electric Welding Appliances Co. regarding the welding of rear axle tubes. | 5th Oct 1936 | Box 114 \ 1 scan0056 | |
| Letter from a supplier proposing welding machinery and offering a demonstration. | 5th Oct 1936 | Box 114 \ 1 scan0057 | |
| Photograph of an automatic flash welder for motor car torque tube assembly. | 5th Oct 1936 | Box 114 \ 1 scan0058 | |
| Advertisement for A-I Welders, showcasing their products and major clients in the British automotive and railway industries. | 5th Oct 1936 | Box 114 \ 1 scan0059 | |
| Advertisement for A-I Electric Welding Appliances, promoting various welders and heaters to reduce production costs. | 5th Oct 1936 | Box 114 \ 1 scan0060 | |
| Informational leaflet for A-I Electric Welding Appliances Co. detailing their automatic spot, flash, butt, and seam welding machines. | 6th Oct 1936 | Box 114 \ 1 scan0061 | |
| And comparing the costs for different rear axle designs. | 6th Oct 1936 | Box 114 \ 1 scan0062 | |
| Letter from Rogers Wilson & Co., Ltd. requesting a drawing for an enquiry on welding rear axle tubes. | 6th Oct 1936 | Box 114 \ 1 scan0063 | |
| Letter to Messrs. Rogers, Wilson & Co., Ltd. regarding a drawing of an axle tube and pricing for welding. | 7th Oct 1936 | Box 114 \ 1 scan0064 | |
| Letter from a supplier declining a request to weld an axle tube due to unsuitability for their plant. | 12th Oct 1936 | Box 114 \ 1 scan0065 | |
| Letter to The Birmingham Aluminium Casting Co. Ltd. about die-casting gearbox and axle cases. | 22th Oct 1936 | Box 114 \ 1 scan0066 | |
| Letter from John Thompson Motor-Pressings Ltd. confirming the dispatch of Cruciform and Front Crossmembers. | 3rd Nov 1936 | Box 114 \ 1 scan0067 | |
| Gear engineering data sheet specifying permissible deflections for rear axle mounting. | 1st Nov 1936 | Box 114 \ 1 scan0068 | |
| Gear engineering data sheet specifying tolerances for machining gear carriers and cases. | 17th Sep 1936 | Box 114 \ 1 scan0069 | |
| Notes on heat treatment and case hardening methods for various types of steel. | 2nd Jan 1936 | Box 114 \ 1 scan0070 | |
| Description of a quenching tank design and the procedure for hardening gears using a Gleason Quenching Press. | 2nd Jan 1936 | Box 114 \ 1 scan0071 | |
| Technical drawing of a tank designed for quenching shank pinions. | 26th Dec 1935 | Box 114 \ 1 scan0072 | |
| Photograph of a back axle dynamometer test rig in a workshop. | 23th Apr 1936 | Box 114 \ 1 scan0073 | |
| Engineering data for allowable wear load and stress values for spiral bevel and hypoid gears. | 23th Apr 1936 | Box 114 \ 1 scan0074 | |
| Photographic example of extreme wear on a Hypoid, Rear-Axle Pinion due to lubricant type. | 11th Jan 1937 | Box 114 \ 1 scan0075 | |
| Paper on the design and lubrication of hypoid rear axles presented at the Society of Automotive Engineers. | 11th Jan 1937 | Box 114 \ 1 scan0076 | |
| Technical paper on the lubrication requirements and design of hypoid gears, contrasting them with spiral bevel gears. | 11th Jan 1937 | Box 114 \ 1 scan0077 | |
| The differences between cone and hypoid gear surfaces and a comparison of gear tooth action. | 11th Jan 1937 | Box 114 \ 1 scan0078 | |
| Analysis of tooth action, sliding, and pressures in spiral bevel and hypoid gears. | 11th Jan 1937 | Box 114 \ 1 scan0079 | |
| Page discussing gear mounting, tooth load distribution, and displacement in hypoid pinion systems. | 11th Jan 1937 | Box 114 \ 1 scan0080 | |
| Page detailing design considerations for gear tooth patterns, bearing preloading, and manufacturing precision in axle units. | 11th Jan 1937 | Box 114 \ 1 scan0081 | |
| Manufacturing precision, the limits of production equipment, and the critical role of lubrication in axle units. | 11th Jan 1937 | Box 114 \ 1 scan0082 | |
| The necessary properties of lubricants for axle units, focusing on requirements for gears and bearings, chemical stability, and load capacity. | 11th Jan 1937 | Box 114 \ 1 scan0083 | |
| Technical discussion on the load capacity and wear characteristics of axle lubricants. | 11th Jan 1937 | Box 114 \ 1 scan0084 | |
| Analysis of wear in axle assemblies, focusing on the interaction between gears and bearings due to abrasives and lubrication. | 11th Jan 1937 | Box 114 \ 1 scan0085 | |
| The abrasiveness and instability of certain EP lubricants containing clay. | 11th Jan 1937 | Box 114 \ 1 scan0086 | |
| Summary on the importance of selecting the correct specialized lubricant for hypoid gear axles. | 11th Jan 1937 | Box 114 \ 1 scan0087 | |
| Page from a report discussing EP oils and hypoid lubricants for car axles. | 11th Jan 1937 | Box 114 \ 1 scan0088 | |
| Diagram showing a spiral bevel rear axle with an overhung pinion mounting. | 11th Jan 1937 | Box 114 \ 1 scan0089 | |
| Diagram showing a cross-section of a hypoid rear axle with a straddle mounted pinion. | 11th Jan 1937 | Box 114 \ 1 scan0090 | |
| Detailed cutaway diagram of a Hypoid Rear Axle with overhung pinion mounting. | 11th Jan 1937 | Box 114 \ 1 scan0091 | |
| Diagrams illustrating the conical pitch surfaces of bevel gears and the hyperboloid pitch surfaces of hypoid gears. | 11th Jan 1937 | Box 114 \ 1 scan0092 | |
| Diagrams illustrating the sliding action and profiles of involute gear teeth. | 11th Jan 1937 | Box 114 \ 1 scan0093 | |
| Diagrams and a graph showing resultant sliding action and relative tooth-surface rubbing velocities for spiral-bevel and hypoid rear-axle gears. | 11th Jan 1937 | Box 114 \ 1 scan0094 | |
| Diagrams showing the exaggerated displacement of a straddle mounted pinion and an overhung pinion under load. | 11th Jan 1937 | Box 114 \ 1 scan0095 | |
| Diagrams showing relative displacement of gear and pinion, and contact patches on gear teeth under various loads. | 11th Jan 1937 | Box 114 \ 1 scan0096 | |
| Diagrams illustrating the relative displacement of gear and pinion, and the contacts on gear teeth under various loads. | 11th Jan 1937 | Box 114 \ 1 scan0097 | |
| Photograph showing two bevel gears with polished surfaces after a lubricant test. | 11th Jan 1937 | Box 114 \ 1 scan0098 | |
| Photographic comparison of gear scoring after testing with low EP lubricant versus a deteriorated lead soap lubricant. | 11th Jan 1937 | Box 114 \ 1 scan0099 | |
| Photographic examples of gear score testing results related to lubrication. | 11th Jan 1937 | Box 114 \ 1 scan0100 | |
| Diagram showing a cutaway of a ball bearing and the effects of abrasive lubricants. | 11th Jan 1937 | Box 114 \ 1 scan0101 | |
| Illustration showing wear points on taper roller bearings when run with abrasive lubricants. | 11th Jan 1937 | Box 114 \ 1 scan0102 | |
| Image showing the failure of taper roller bearings due to a lack of lubricant. | 18th Jan 1937 | Box 114 \ 1 scan0103 | |
| The 3/4 floating axle, referencing the 22 HP Ford instruction book on keeping axle shaft nuts tight. | 18th Jan 1937 | Box 114 \ 1 scan0104 | |
| Interview with David Brown regarding developments in worm drive axles and their application. | 29th Jan 1937 | Box 114 \ 1 scan0105 | |
| Summary of findings on axle efficiency, worm drive techniques, and component improvements. | 29th Jan 1937 | Box 114 \ 1 scan0106 | |
| List of points detailing advances in the development of worm axles following a visit from representatives of David Brown & Sons. | 29th Jan 1937 | Box 114 \ 1 scan0107 | |
| Technical notes on axle components, including sealing, lubricants, efficiency, and gear design. | 24th Mar 1937 | Box 114 \ 1 scan0108 | |
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