| Description | Date | Identifier | |
| Letter from Borg & Beck Company Ltd. regarding the forwarding of quotations. | 8th Jan 1937 | Box 129 \ 1 scan0106 | |
| Pricing for various Borg & Beck clutch models and parts. | 14th Jan 1937 | Box 129 \ 1 scan0107 | |
| Letter to Borg & Beck Co. Ltd. regarding the price difference for various clutch types. | 18th Jan 1937 | Box 129 \ 1 scan0108 | |
| Letter from Newton & Bennett Ltd following up on a submitted clutch disc. | 19th Jan 1937 | Box 129 \ 1 scan0109 | |
| Letter from Borg & Beck Company Ltd. about revised quotations and price increases for clutches. | 20th Jan 1937 | Box 129 \ 1 scan0110 | |
| Letter to Messrs. Newton & Bennett Ltd. regarding the ongoing testing of a clutch disc. | 21th Jan 1937 | Box 129 \ 1 scan0111 | |
| On damage caused to engine spring cups due to incorrect timing methods and a recommendation for the correct procedure. | 23th Jan 1937 | Box 129 \ 1 scan0112 | |
| Letter from Newton & Bennett Ltd. discussing the potential use of duraluminium for a clutch plate. | 25th Jan 1937 | Box 129 \ 1 scan0113 | |
| Letter to Messrs. Borg & Beck Co.Ltd. requesting an update on the castillation of eyebolt nuts. | 9th Feb 1937 | Box 129 \ 1 scan0114 | |
| Letter from a clutch manufacturer regarding the receipt of tooling for castellated nuts and the resulting delivery schedule. | 10th Feb 1937 | Box 129 \ 1 scan0115 | |
| Letter from Borg & Beck Company Ltd. confirming action on a previous correspondence. | 10th Feb 1937 | Box 129 \ 1 scan0116 | |
| Letter to W. Emmott of Borg & Beck Co. Ltd. concerning letters of introduction for Mr. Robotham's visit to American firms. | 16th Feb 1937 | Box 129 \ 1 scan0117 | |
| Letter from the Experimental Dept. to H.T. Barker of Messrs. Borg & Beck Co. Ltd. | 16th Feb 1937 | Box 129 \ 1 scan0118 | |
| Letter chasing a supplier, Borg & Beck Co. Ltd., for a delayed order of clutches with castellated eyebolt nuts. | 9th Mar 1937 | Box 129 \ 1 scan0119 | |
| Letter from Borg & Beck Company Ltd regarding a delay in the delivery of clutches with castellated eyebolt nuts. | 11th Mar 1937 | Box 129 \ 1 scan0120 | |
| Current and previous prices for Borg & Beck clutches for specific car models. | 17th Mar 1937 | Box 129 \ 1 scan0121 | |
| Letter to Messrs. Newton & Bennett Ltd. regarding the testing and modification of a clutch plate. | 19th Mar 1937 | Box 129 \ 1 scan0122 | |
| Letter confirming a clutch plate order, noting a discrepancy in specifications and potential delivery delays. | 22th Mar 1937 | Box 129 \ 1 scan0123 | |
| Letter to Borg & Beck Company Ltd. regarding the manufacture of the Experimental Phantom III clutch plate and its components. | 13th Apr 1937 | Box 129 \ 1 scan0124 | |
| Letter from Borg & Beck confirming a meeting to discuss Phantom III clutch plates. | 19th Apr 1937 | Box 129 \ 1 scan0125 | |
| Letter from Newton & Bennett Ltd. regarding a forwarded clutch plate with a manufacturing defect in the lining. | 30th Apr 1937 | Box 129 \ 1 scan0126 | |
| Letter to Ferodo Ltd. requesting a sample of a new rubber bonded clutch facing material. | 4th May 1937 | Box 129 \ 1 scan0127 | |
| Graph plotting load in pounds against cushion in inches for three different compound cushion plates. | 9th Apr 1936 | Box 129 \ 1 scan0128 | |
| Graph plotting load in pounds versus cushion in inches for three compound cushion plates. | 24th Sep 1936 | Box 129 \ 1 scan0129 | |
| Letter to Mr. Lorringer of The Long Clutch Manufacturing Co. regarding assistance with the Phantom III clutch and outstanding parts. | 7th May 1937 | Box 129 \ 1 scan0130 | |
| Letter to Ferodo Ltd. correcting the dimensions for clutch facings for various models. | 8th May 1937 | Box 129 \ 1 scan0131 | |
| Letter from Ferodo Limited concerning the production of experimental clutch facing dies. | 10th May 1937 | Box 129 \ 1 scan0132 | |
| Letter to Ferodo Ltd. regarding a print of the Phantom III clutch facing and drawings from Borg & Beck. | 10th May 1937 | Box 129 \ 1 scan0133 | |
| Night Letter Telegram to Lorringer Long Clutch Manufacturing Co. regarding additional clutch plates and quotations. | 10th May 1937 | Box 129 \ 1 scan0134 | |
| Letter from Ferodo Limited acknowledging receipt of a letter, print EX.23083A, and details for 10' and 11' facings. | 11th May 1937 | Box 129 \ 1 scan0135 | |
| Ordering tools from Borg & Beck for a Phantom III clutch spring plate. | 14th Apr 1937 | Box 129 \ 1 scan0136 | |
| Telegram received by telephone regarding a shipment delay due to a Thermoid strike. | 18th May 1937 | Box 129 \ 1 scan0137 | |
| Telegram received by telephone advising a shipment has been prevented by a strike. | 18th May 1937 | Box 129 \ 1 scan0138 | |
| Cablegram from Detroit regarding a shipment delayed by the Thermoid strike. | 18th May 1937 | Box 129 \ 1 scan0139 | |
| Requesting an order to be passed to Ferodo for Phantom III clutch facings. | 22th Apr 1937 | Box 129 \ 1 scan0140 | |
| Letter from Long Manufacturing Division regarding the shipment of clutch parts and order clarification. | 27th May 1937 | Box 129 \ 1 scan0141 | |
| Request to detail and manufacture parts for a Phantom III clutch pedal servo. | 27th Apr 1937 | Box 129 \ 1 scan0142 | |
| Urgent order to Borg & Beck Company for clutch components and a request for an update on experimental parts. | 25th May 1937 | Box 129 \ 1 scan0143 | |
| Order be placed with Borg & Beck for nuts and experimental springs. | 25th May 1937 | Box 129 \ 1 scan0144 | |
| Letter to Ferodo Limited regarding the despatch of a Phantom III clutch plate for spinning tests. | 27th May 1937 | Box 129 \ 1 scan0145 | |
| Request sent to Messrs. Ferodo Ltd. for 12 clutch facings for a Phantom III. | 28th May 1937 | Box 129 \ 1 scan0146 | |
| Letter to Borg & Beck Co. Ltd. arranging the delivery of a Phantom III clutch disc and parts. | 28th May 1937 | Box 129 \ 1 scan0147 | |
| Letter from clutch manufacturer Borg & Beck regarding the supply and testing of clutch parts for Phantom III and Bentley models. | 1st Jun 1937 | Box 129 \ 1 scan0148 | |
| Letter from Borg & Beck Company Limited regarding the run-out figures for a Driven Plate assembly. | 1st Jun 1937 | Box 129 \ 1 scan0149 | |
| Letter from Long Manufacturing Division concerning invoices and the high cost of sample parts sent to Mr. Robotham. | 2nd Jun 1937 | Box 129 \ 1 scan0150 | |
| Request to despatch Thermoid clutch facings to Borg & Beck Ltd. | 2nd Jun 1937 | Box 129 \ 1 scan0151 | |
| Letter to Borg & Beck Ltd. regarding Thermoid clutch facings for a Bentley clutch. | 2nd Jun 1937 | Box 129 \ 1 scan0152 | |
| Thermoid Clutch facings to be sent to Messrs. Borg & Beck Ltd. | 2nd Jun 1937 | Box 129 \ 1 scan0153 | |
| Visit to Ferodo Works to test the bursting strength of new chevron wound facings. | 2nd Jun 1937 | Box 129 \ 1 scan0154 | |
| Report comparing the failure of Ferodo and Thermoid facings and listing samples brought back for trial. | 3rd Jun 1937 | Box 129 \ 1 scan0155 | |
| Letter from clutch manufacturer Borg & Beck regarding the arrival and fitting of Thermoid clutch facings for a Bentley clutch. | 3rd Jun 1937 | Box 129 \ 1 scan0156 | |
| Letter to Borg & Beck Co. Ltd. regarding incorrectly drilled split pin holes on 25/30 HP clutches. | 4th Jun 1937 | Box 129 \ 1 scan0157 | |
| Letter to Ferodo Ltd. regarding testing and suggested improvements for clutch facings for the Phantom III. | 4th Jun 1937 | Box 129 \ 1 scan0158 | |
| To HPS requesting the dispatch of two pairs of Thermold facings to Borg & Beck. | 7th Jun 1937 | Box 129 \ 1 scan0159 | |
| Request to Messrs. Borg & Beck Co. Ltd. for cushion springs for the Phantom III Clutch. | 7th Jun 1937 | Box 129 \ 1 scan0160 | |
| Letter to Borg & Beck Co. Ltd. regarding the fitting of 'Thermoid' facings to two standard Bentley clutch plates. | 7th Jun 1937 | Box 129 \ 1 scan0161 | |
| Letter from Borg & Beck Company Ltd. regarding criticism of castellated nuts, eyebolt drilling, and the fitting of split pins. | 7th Jun 1937 | Box 129 \ 1 scan0162 | |
| Quotation from Borg & Beck Company for 13 1/2' driven plate assemblies for the 'Phantom' III application. | 8th Jun 1937 | Box 129 \ 1 scan0163 | |
| Sending two pairs of 10' Thermoid clutch facings to Borg & Beck for fitting to Bentley clutch plates. | 8th Jun 1937 | Box 129 \ 1 scan0164 | |
| Letter from Borg & Beck Company Ltd regarding a quotation for 100 Driven Disc Assemblies for the Phantom III. | 8th Jun 1937 | Box 129 \ 1 scan0165 | |
| The development and sourcing of Phantom III clutch discs, comparing American and English options. | 9th Jun 1937 | Box 129 \ 1 scan0166 | |
| Procurement and fitting of clutch plates and linings for Phantom III trial cars and a Bentley model. | 9th Jun 1937 | Box 129 \ 1 scan0167 | |
| Requesting an order to be sent to Borg & Beck Ltd. for 72 cushion springs, part number Ex.23804B. | 9th Jun 1937 | Box 129 \ 1 scan0168 | |
| Letter from Borg & Beck Company Ltd concerning the supply of cushion segments for the Phantom III Clutch. | 9th Jun 1937 | Box 129 \ 1 scan0169 | |
| Letter from clutch manufacturer Borg & Beck regarding Bentley clutch assemblies. | 9th Jun 1937 | Box 129 \ 1 scan0170 | |
| Letter to Borg & Beck Co. Ltd. regarding orders for Bentley and Phantom III parts. | 9th Jun 1937 | Box 129 \ 1 scan0171 | |
| Requesting an order to be placed with Borg & Beck as per an attached invoice. | 9th Jun 1937 | Box 129 \ 1 scan0172 | |
| Letter to Borg & Beck Company Ltd. regarding the production of dies, tools, and plates for the Long Clutch. | 9th Jun 1937 | Box 129 \ 1 scan0173 | |
| Letter from Ferodo Limited concerning the manufacturing process of clutch facings and a request for a clutch plate for further testing. | 9th Jun 1937 | Box 129 \ 1 scan0174 | |
| Letter from clutch manufacturer Borg & Beck regarding the supply of driven plates for Phantom III and Bentley models. | 10th Jun 1937 | Box 129 \ 1 scan0175 | |
| Confirming the receipt of 100 castellated nuts from Borg & Beck for the 25/30 HP, clarifying they are chargeable to production. | 10th Jun 1937 | Box 129 \ 1 scan0176 | |
| Instruction on the correct assembly orientation for Thermoid clutch facings. | 10th Jun 1937 | Box 129 \ 1 scan0177 | |
| Letter to Messrs. Ferodo Ltd. regarding Phantom III clutches and the moulding of holes. | 10th Jun 1937 | Box 129 \ 1 scan0178 | |
| Letter from Borg & Beck Company Ltd acknowledging drawings and discussing orders for clutch components. | 10th Jun 1937 | Box 129 \ 1 scan0179 | |
| Telegram regarding the dispatch of a clutch plate to St. Pancras, London. | 14th Jun 1937 | Box 129 \ 1 scan0180 | |
| Using American linings on English plates to solve problems with Phantom III clutches. | 14th Jun 1937 | Box 129 \ 1 scan0181 | |
| Visit to Borg & Beck at Leamington regarding clutch development and specifications for the Phantom III. | 16th Jun 1937 | Box 129 \ 1 scan0182 | |
| Clutch plate specifications, including riveting, cushioning, run-out, and supplier updates for Bentley. | 16th Jun 1937 | Box 129 \ 1 scan0183 | |
| 'Sg' to 'Rm' regarding a complaint about Phantom III clutches and coordinating a response. | 16th Jun 1937 | Box 129 \ 1 scan0184 | |
| Letter from clutch manufacturer Borg & Beck regarding a quotation and material supply for Phantom III driven plate assemblies. | 16th Jun 1937 | Box 129 \ 1 scan0185 | |
| Quotation from Borg & Beck for Phantom III clutch driven plate assemblies. | 16th Jun 1937 | Box 129 \ 1 scan0186 | |
| Letter to Messrs. Borg & Beck Co. Ltd. confirming specifications for Phantom III driven plates. | 16th Jun 1937 | Box 129 \ 1 scan0187 | |
| Specifications for disc production, including cushioning, run-out, and supply updates from Borg & Beck and Thermoid Co. | 17th Jun 1937 | Box 129 \ 1 scan0188 | |
| Letter from clutch manufacturer Borg & Beck regarding Bentley driven plates and component construction. | 17th Jun 1937 | Box 129 \ 1 scan0189 | |
| Calculating costs, comparing original and latest quotations on what appears to be a Borg & Beck Company Ltd letterhead. | 17th Jun 1937 | Box 129 \ 1 scan0190 | |
| Epidemic of clutch failures on Phantom III cars and the urgent need for new clutch plates. | 17th Jun 1937 | Box 129 \ 1 scan0191 | |
| Letter concerning the supply and renewal of parts and future requirements for two vehicles. | 17th Jun 1937 | Box 129 \ 1 scan0192 | |
| Letter from a supplier regarding their inability to forward a specific type of clutch lining, offering complete plates instead. | 17th Jun 1937 | Box 129 \ 1 scan0193 | |
| High cost of hand-made clutches and recommending payment. | 18th Jun 1937 | Box 129 \ 1 scan0194 | |
| The high cost of hand-made clutches from an American supplier and recommending payment. | 18th Jun 1937 | Box 129 \ 1 scan0195 | |
| Letter to Borg & Beck Company Ltd. discussing the price difference for a 13½' Driven Plate Assembly between American and factory quotations. | 19th Jun 1937 | Box 129 \ 1 scan0196 | |
| Letter to Messrs. Lendrum & Hartman Ltd. cancelling a request for clutch plates. | 21th Jun 1937 | Box 129 \ 1 scan0197 | |
| Letter from Borg & Beck regarding a quotation and manufacturing details for clutch driven plates for the Phantom III. | 21th Jun 1937 | Box 129 \ 1 scan0198 | |
| Continuation of a letter from Borg & Beck Company Limited regarding the manufacture of 100 driven plates. | 21th Jun 1937 | Box 129 \ 1 scan0199 | |
| Order be placed with Messrs Long. | 21th Jun 1937 | Box 129 \ 1 scan0200 | |
| Letter to Ferodo Ltd. concerning bursting tests on a clutch plate for the Phantom III. | 22th Jun 1937 | Box 129 \ 1 scan0201 | |
| Instruction to despatch one clutch plate to Ferodo Ltd. | 22th Jun 1937 | Box 129 \ 1 scan0202 | |
| Letter to Borg & Beck Company Ltd. regarding the price of a driven member and arranging a meeting. | 23th Jun 1937 | Box 129 \ 1 scan0203 | |
| Request to make a gauge for measuring the clutch pedal travel. | 23th Jun 1937 | Box 129 \ 1 scan0204 | |
| Requesting confirmation on some pieces before putting them in hand. | 23th Jun 1937 | Box 129 \ 1 scan0205 | |
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