| Description | Date | Identifier | |
| Letter from Morgan, Crossley & Co. Ltd. regarding a material for a brake system. | 17th Jun 1935 | Box 141 \ 1 scan0039 | |
| Clarifying the use of RAD-13 and VM-30 servo linings, specifying that the Spectre model requires VM-30 linings. | 5th Jul 1935 | Box 141 \ 1 scan0040 | |
| Incorrectly fitted splined servo linings and a clearance issue on Spectre, Bentley & 25 HP models. | 8th Jul 1935 | Box 141 \ 1 scan0041 | |
| Letter from a supplier submitting four types of asbestos-based and non-asbestos friction linings for brake system experiments. | 24th Jul 1935 | Box 141 \ 1 scan0042 | |
| Letter from Morgan, Crossley & Co. Ltd. regarding the delivery of liners and offering expertise on friction materials. | 24th Jul 1935 | Box 141 \ 1 scan0043 | |
| Letter from Morgan, Crossley & Co Ltd regarding vibration damper linings and friction materials for a servo motor. | 19th Aug 1935 | Box 141 \ 1 scan0044 | |
| Letter from Morgan, Crossley & Co., Ltd. regarding material characteristics for eliminating squeak. | 19th Aug 1935 | Box 141 \ 1 scan0045 | |
| Letter to Morgan, Crossley & Co. Ltd. concerning friction linings, a damper arrangement and a servo face. | 23th Aug 1935 | Box 141 \ 1 scan0046 | |
| Letter from Morgan, Crossley & Co Ltd regarding the supply of a suitable material for vibration damper experiments. | 24th Aug 1935 | Box 141 \ 1 scan0047 | |
| Letter to Ferodo Limited regarding tests on composite brake drums and servo linings. | 12th Sep 1935 | Box 141 \ 1 scan0048 | |
| Letter to Ferodo Ltd. regarding squeaking issues with VM.30 material in servo motors and requesting samples of RAD-13. | 19th Sep 1935 | Box 141 \ 1 scan0049 | |
| Official order for brake linings from Ferodo Ltd. | 20th Sep 1935 | Box 141 \ 1 scan0050 | |
| Request to Ferodo Limited for linings for 14' Bentley shoes for the Experimental Department. | 20th Sep 1935 | Box 141 \ 1 scan0051 | |
| Letter from Ferodo Limited confirming a telephone conversation regarding the production of discs. | 21th Sep 1935 | Box 141 \ 1 scan0052 | |
| Letter to Ferodo Limited regarding the suitability of R.A.D. material and ordering 12 discs of amended VM.30 material. | 23th Sep 1935 | Box 141 \ 1 scan0053 | |
| Request to send an official order to Ferodo Ltd. for servo discs for use on Bentley and 20/25 HP models. | 24th Sep 1935 | Box 141 \ 1 scan0054 | |
| Letter to Ferodo Ltd. correcting previously quoted drawing numbers for M.R. linings. | 24th Sep 1935 | Box 141 \ 1 scan0055 | |
| Letter from Ferodo Limited regarding brake lining recommendations for an austenitic steel structure. | 26th Sep 1935 | Box 141 \ 1 scan0056 | |
| Letter from Ferodo Limited discussing the confidential results of composite brake drum trials and material expansion properties. | 26th Sep 1935 | Box 141 \ 1 scan0057 | |
| Letter from Ferodo Limited regarding the supply and despatch of linings. | 26th Sep 1935 | Box 141 \ 1 scan0058 | |
| Letter from Ferodo Limited concerning the dispatch and specifications of servo discs. | 4th Oct 1935 | Box 141 \ 1 scan0059 | |
| Letter from Ferodo Limited concerning experimental Servo discs and a new bonded asbestos lining. | 4th Oct 1935 | Box 141 \ 1 scan0060 | |
| Invoice from Ferodo Ltd. for Ferodo Liners and seeking authorization for payment. | 4th Oct 1935 | Box 141 \ 1 scan0061 | |
| Request to fit RAD-13 servo linings to vehicles 21-G-IV and 6-B-IV. | 7th Oct 1935 | Box 141 \ 1 scan0062 | |
| Letter to Ferodo Ltd. discussing brake drum liners, zinc wound linings for the Phantom III, and experiments on composite drums. | 7th Oct 1935 | Box 141 \ 1 scan0063 | |
| Request to place an official order with Messrs. Ferodo Ltd. for two types of liners. | 8th Oct 1935 | Box 141 \ 1 scan0064 | |
| The discontinuation of a black dressing on Ferodo M.R. brake linings for Bentley chassis. | 8th Oct 1935 | Box 141 \ 1 scan0065 | |
| The lack of black dressing on M.R. brake linings for Bentley vehicles. | 9th Oct 1935 | Box 141 \ 1 scan0066 | |
| Letter from Ferodo Limited discussing Austenitic iron, brake linings, composite drums, and a new zinc wire Ferodo Bonded Asbestos material. | 11th Oct 1935 | Box 141 \ 1 scan0067 | |
| Cessation of manufacturing of F.B.A. brake linings by Ferodo and a request to obtain their new S.5805 lining. | 16th Oct 1935 | Box 141 \ 1 scan0068 | |
| Letter to Ferodo Limited regarding automatic brake adjustments, brake linings, and crankshaft damper materials. | 17th Oct 1935 | Box 141 \ 1 scan0069 | |
| Ordering and fitting specifications for cast iron liners in aluminium brake housings. | 18th Oct 1935 | Box 141 \ 1 scan0070 | |
| Receiving bearings from Ransome & Marles and ordering discs from Ferodo for clutch testing. | 31th Oct 1935 | Box 141 \ 1 scan0071 | |
| Request to cut micro-structure specimens from a 'Brico' brake drum liner. | 5th Nov 1935 | Box 141 \ 1 scan0072 | |
| Order for undrilled Bentley rear footbrake linings from Ferodo's. | 11th Nov 1935 | Box 141 \ 1 scan0073 | |
| Difficulties with forged N.M.C. liners for Aluminium Composite Brake Drums, requesting an order for centrifugally cast liners. | 19th Nov 1935 | Box 141 \ 1 scan0074 | |
| Letter to Ferodo Limited regarding the analysis and testing of liners for aluminium brake drums. | 23th Nov 1935 | Box 141 \ 1 scan0075 | |
| Letter discussing issues with rivets and brakes on Phantom III and Bentley chassis. | 23th Nov 1935 | Box 141 \ 1 scan0076 | |
| The closing page of a letter concerning Mr. Grylls studying manufacturing methods in the United States. | 23th Nov 1935 | Box 141 \ 1 scan0077 | |
| Micro-examination report on 'Brico' brake liners made from 'Brimal' cast iron. | 19th Nov 1935 | Box 141 \ 1 scan0078 | |
| Page detailing the properties and handling of 'Brimal' iron, including hardness and thermal conductivity. | 27th Nov 1935 | Box 141 \ 1 scan0079 | |
| Requesting photomicrographs of millenite drums following a discussion on brake scoring on a Phantom III. | 27th Nov 1935 | Box 141 \ 1 scan0080 | |
| Requesting an order for zinc-loaded F.B.A. friction lining pieces from Ferodo Ltd. | 28th Nov 1935 | Box 141 \ 1 scan0081 | |
| Letter from Ferodo Limited detailing preliminary test results on two brake drum liners and their coefficients of expansion. | 30th Nov 1935 | Box 141 \ 1 scan0082 | |
| Invoice for Ferodo Discs for which the Stores Department has no record of receipt. | 3rd Dec 1935 | Box 141 \ 1 scan0083 | |
| Letter to Ferodo Ltd. regarding the coefficient of expansion of rings, rivet failures, and requests for photomicrographs. | 5th Dec 1935 | Box 141 \ 1 scan0084 | |
| Micro-examination report on an 'N.M.C.' Austenitic Steel Brake Liner. | 18th Dec 1935 | Box 141 \ 1 scan0085 | |
| Laboratory photomicrograph showing material grain structure. | 1st Oct 1935 | Box 141 \ 1 scan0086 | |
| The booking of six G.82602 Ferodo Discs for a works order. | 23th Dec 1935 | Box 141 \ 1 scan0087 | |
| Letter inviting the Chief Chemist of Ferodo Limited to discuss brake drum materials and 'Brimal' iron. | 1st Jan 1936 | Box 141 \ 1 scan0088 | |
| Letter from Ferodo Limited arranging a meeting to discuss photomicrographs of 'Brinal'. | 2nd Jan 1936 | Box 141 \ 1 scan0089 | |
| Letter to J.N. Longley of Ferodo Ltd. arranging a meeting for lunch. | 4th Jan 1936 | Box 141 \ 1 scan0090 | |
| Order of F.B.A. parts with zinc bonding from Ferodo Ltd. | 6th Jan 1936 | Box 141 \ 1 scan0091 | |
| Providing the maker's number for Ferodo Zinc Bonded asbestos to be fitted to experimental steel brake shoes. | 10th Jan 1936 | Box 141 \ 1 scan0092 | |
| Quotation for manufacturing N.M.C. steel rings for brake liners via a centrifugal casting process. | 11th Jan 1936 | Box 141 \ 1 scan0093 | |
| Instruction to bond experimental steel brake shoes with zinc instead of brass, designating the material as 'F.B.A.'. | 13th Jan 1936 | Box 141 \ 1 scan0094 | |
| Letter to Ferodo Ltd. regarding the despatch and testing procedures for Bentley axle tubes and various brake drums. | 25th Jan 1936 | Box 141 \ 1 scan0095 | |
| Wear test procedures for various materials and requesting a photomicrograph of 'Millenite' iron. | 25th Jan 1936 | Box 141 \ 1 scan0096 | |
| Internal request to order F.B.A. pieces from Ferodo Ltd. for use with Bentley brake drums. | 29th Jan 1936 | Box 141 \ 1 scan0097 | |
| Letter from Ferodo Limited discussing the receipt, testing, and supply of brake and hub components. | 30th Jan 1936 | Box 141 \ 1 scan0098 | |
| Letter to Ferodo Ltd. regarding the heat treatment of S.5805 material and testing of F.B.A. brass bonding. | 4th Feb 1936 | Box 141 \ 1 scan0099 | |
| Letter from Ferodo Limited concerning an issue with expansion under high temperature in supplied parts and outlining corrective actions for current and future orders. | 5th Feb 1936 | Box 141 \ 1 scan0100 | |
| Fitting new Ferodo S.5806 brake material, its properties, and a temporary seizure issue. | 20th Feb 1936 | Box 141 \ 1 scan0101 | |
| Letter to Ferodo Ltd. arranging a works visit and thanking them for assistance with the development of light alloy drums. | 24th Feb 1936 | Box 141 \ 1 scan0102 | |
| Invoice from Ferodo Ltd. for 200 Special Brass Rivets. | 26th Feb 1936 | Box 141 \ 1 scan0103 | |
| Official order for 200 special brass rivets from Ferodo Co. Ltd. | 2nd Mar 1936 | Box 141 \ 1 scan0104 | |
| Letter to Ferodo Limited requesting recommendations for alternative clutch lining materials. | 3rd Mar 1936 | Box 141 \ 1 scan0105 | |
| Request to dispatch two brake drums made from carbon steel and cylinder iron for testing by Ferodo's. | 5th Mar 1936 | Box 141 \ 1 scan0106 | |
| Letter to Ferodo Limited regarding the testing of various brake drum materials including carbon steel, cylinder iron, and 'Lepaz' iron. | 5th Mar 1936 | Box 141 \ 1 scan0107 | |
| Order for 50 sets of F.B.A. brake linings for a Phantom III, and the plan to switch to S.5805 material. | 11th Mar 1936 | Box 141 \ 1 scan0108 | |
| Urgent internal memo to order brake lining material for the Phantom III hand brake. | 12th Mar 1936 | Box 141 \ 1 scan0109 | |
| Letter from Ferodo Limited confirming an order for three clutch discs of M.Z. quality. | 18th Mar 1936 | Box 141 \ 1 scan0110 | |
| Letter from Ferodo Limited advising on the dispatch of three M.Z. clutch discs. | 20th Mar 1936 | Box 141 \ 1 scan0111 | |
| Letter to Messrs. Ferodo Ltd. urgently requesting a sample of 'Ferodo No.6' material for inspection. | 24th Mar 1936 | Box 141 \ 1 scan0112 | |
| Letter from Ferodo Limited confirming the dispatch of two No.6 quality discs by passenger train. | 25th Mar 1936 | Box 141 \ 1 scan0113 | |
| Order of various parts from Ferodo Ltd. for Bentley and 20/25 models. | 27th Mar 1936 | Box 141 \ 1 scan0114 | |
| Letter to Ferodo Ltd. regarding the development of a brake friction lining with minimal fade for racing purposes. | 1st Apr 1936 | Box 141 \ 1 scan0115 | |
| Letter to Messrs. Ferodo Ltd. requesting information on the inclusion of litharge in their materials. | 8th Apr 1936 | Box 141 \ 1 scan0116 | |
| Letter from Richard Klinger Ltd. chasing blueprints for brake linings for testing. | 9th Apr 1936 | Box 141 \ 1 scan0117 | |
| Letter from Ferodo Limited discussing the use and properties of Litharge (Lead Oxide) in friction and clutch linings. | 9th Apr 1936 | Box 141 \ 1 scan0118 | |
| Letter from Ferodo Limited discussing the use of Litharge and Atomised Lead in rubber mixing. | 9th Apr 1936 | Box 141 \ 1 scan0119 | |
| Request to order two clutch discs from Ferodos for a Ph.III Clutch. | 15th Apr 1936 | Box 141 \ 1 scan0120 | |
| Letter to Ferodo Ltd. regarding information on the inclusion of litharge in rubber base friction materials. | 15th Apr 1936 | Box 141 \ 1 scan0121 | |
| Recommending the use of Ferodo No.6 material for Ph.III clutches. | 17th Apr 1936 | Box 141 \ 1 scan0122 | |
| Letter to Ferodo Ltd. regarding the decision to use their No.6 linings for Phantom III cars. | 20th Apr 1936 | Box 141 \ 1 scan0123 | |
| Letter declining an offer for free sample brake linings due to company policy and current workload. | 24th Apr 1936 | Box 141 \ 1 scan0124 | |
| Letter to Ferodo Ltd. regarding a clutch lining failure and arranging a meeting to discuss material strength. | 25th Apr 1936 | Box 141 \ 1 scan0125 | |
| Letter to Ferodo Ltd. seeking confirmation about the suitability of 'No.6' material against a carbon steel flywheel. | 29th Apr 1936 | Box 141 \ 1 scan0126 | |
| Letter from Ferodo Limited returning a Raybestos disc left behind by Dr. F. Llewellyn Smith. | 29th Apr 1936 | Box 141 \ 1 scan0127 | |
| Internal request to order several pieces of Ferodo material with specific delivery and processing instructions. | 30th Apr 1936 | Box 141 \ 1 scan0128 | |
| The standardization of Ferodo S.5805 brake linings for the Phantom III model. | 30th Apr 1936 | Box 141 \ 1 scan0129 | |
| Letter to Ferodo Limited detailing the results of tensile strength tests on Ferodo 'No.6' and Raybestos 'Hyco' material samples. | 30th Apr 1936 | Box 141 \ 1 scan0130 | |
| Comparison of centrifugal stress on 'Hyco' and 'No.6' materials or designs. | 30th Apr 1936 | Box 141 \ 1 scan0131 | |
| Letter from Ferodo Limited's Chief Chemist discussing the performance of No. 6 type clutch material against various steel plates and cast iron. | 30th Apr 1936 | Box 141 \ 1 scan0132 | |
| Letter to Ferodo Ltd. regarding flywheel and pressure plate materials for the Phantom III and Bentley models. | 4th May 1936 | Box 141 \ 1 scan0133 | |
| Parts request for six 10 1/2 inch clutch discs for a 20/25 model, addressed to Ferodo. | 5th May 1936 | Box 141 \ 1 scan0134 | |
| Note on the value of Ferodo Bonded Asbestos liners not to be fitted to the Phantom III Chassis brakes. | 5th May 1936 | Box 141 \ 1 scan0135 | |
| Requesting an order be placed with Ferodo for six M.Z. Clutch Discs for a 25 HP clutch. | 5th May 1936 | Box 141 \ 1 scan0136 | |
| Letter to Ferodo Ltd. regarding fitting Bentley shoes for the Le Mans race. | 9th May 1936 | Box 141 \ 1 scan0137 | |
| Letter from Ferodo Limited regarding brake liners for Bentley shoes and a new product reference. | 11th May 1936 | Box 141 \ 1 scan0138 | |
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