| Description | Date | Identifier | |
| Letter to John Marston & Co. Ltd. concerning Bentley and Phantom III radiator shells and drawings. | 8th Mar 1937 | Box 150 \ 3 scan0142 | |
| Letter discussing the manufacture, alteration, and testing of Phantom III and Bentley radiator components. | 31th Mar 1937 | Box 150 \ 3 scan0143 | |
| Letter from John Marston Ltd concerning a sample chromium-plated Phantom III Radiator Shell. | 31th Mar 1937 | Box 150 \ 3 scan0144 | |
| Letter to John Marston Ltd. regarding a sample Ph.III radiator shell and arranging a meeting. | 2nd Apr 1937 | Box 150 \ 3 scan0145 | |
| Three types of gauze and frames for a radiator outlet filter, with a recommendation to consider previous engine failures. | 9th Apr 1937 | Box 150 \ 3 scan0146 | |
| Despatch of a Ph.III Matrix unit to Messrs John Marston Ltd. for flow testing. | 16th Apr 1937 | Box 150 \ 3 scan0147 | |
| Letter to John Marston & Co. Ltd. discussing defective Mk.VI matrices and specifications for a Bentley dummy shutter set. | 19th Apr 1937 | Box 150 \ 3 scan0148 | |
| Request for the return of flow-tested matrices and a Mk.V. block for comparison purposes. | 24th Apr 1937 | Box 150 \ 3 scan0149 | |
| Letter to John Marston & Co. Ltd. regarding the specifications and supply of a Ph.III radiator matrix. | 24th Apr 1937 | Box 150 \ 3 scan0150 | |
| Letter to John Marston & Co. Ltd regarding defective Phantom III radiator units and a new design for a Bentley radiator. | 28th Apr 1937 | Box 150 \ 3 scan0151 | |
| Covering order for a matrix ordered from John Marston Ltd. | 30th Apr 1937 | Box 150 \ 3 scan0152 | |
| The despatch of a Phantom III bottom tank to Messrs John Marston, Wolverhampton. | 30th Apr 1937 | Box 150 \ 3 scan0153 | |
| Letter to Messrs John Marston & Co. Ltd. concerning defective radiator matrices and a Bentley radiator. | 4th May 1937 | Box 150 \ 3 scan0154 | |
| Requesting the creation of labels for cars under observation for water system corrosion. | 4th May 1937 | Box 150 \ 3 scan0155 | |
| Letter to John Marston & Co. Ltd. requesting the production of three experimental radiator matrices based on provided drawings. | 10th May 1937 | Box 150 \ 3 scan0156 | |
| Order for three radiator matrices from Messrs John Marstons. | 10th May 1937 | Box 150 \ 3 scan0157 | |
| Request to obtain and despatch an untrimmed Bentley radiator top tank pressing. | 14th May 1937 | Box 150 \ 3 scan0158 | |
| Inspecting chassis radiator matrices, defining dimensional limits and checks for waterway openness. | 19th May 1937 | Box 150 \ 3 scan0159 | |
| Letter to John Marston & Co. Ltd. regarding faults with a Bentley radiator and other radiator issues. | 19th May 1937 | Box 150 \ 3 scan0160 | |
| The renovation and refitting of a customer's radiator matrix to car 37-EX. | 19th May 1937 | Box 150 \ 3 scan0161 | |
| Request to despatch a standard Ph.III radiator yoke to Messrs John Marston Ltd. for use as a jig. | 19th May 1937 | Box 150 \ 3 scan0162 | |
| Letter from John Marston Ltd regarding drawing A.84 of a Bentley Radiator, requesting missing dimensions and parts. | 24th May 1937 | Box 150 \ 3 scan0163 | |
| Letter from Gallay Ltd. regarding the enduring performance of their radiators fitted to winning Bentley and Talbot race cars. | 25th May 1937 | Box 150 \ 3 scan0164 | |
| Letter from Gallay Ltd announcing the opening of their new works in Cricklewood, London. | 1st Mar 1937 | Box 150 \ 3 scan0165 | |
| Letter to a supplier regarding the performance and potential improvement of a rubber water connection hose after testing. | 26th May 1937 | Box 150 \ 3 scan0166 | |
| Letter from a supplier regarding the standardisation of rubber water connection hoses following tests. | 27th May 1937 | Box 150 \ 3 scan0167 | |
| Forwarding a Ph.III rubber hose water connection for examination. | 28th May 1937 | Box 150 \ 3 scan0168 | |
| Letter from a rubber and asbestos manufacturer acknowledging a query about a hose connection. | 31th May 1937 | Box 150 \ 3 scan0169 | |
| High rejection rate of chassis radiator matrices due to partially blocked water-ways. | 31th May 1937 | Box 150 \ 3 scan0170 | |
| Complaint regarding defective radiator matrices supplied by Marstons, detailing a meeting and agreed corrective actions. | 27th May 1937 | Box 150 \ 3 scan0171 | |
| Outlining production and inspection requirements for the Phantom 111 Matrix. | 27th May 1937 | Box 150 \ 3 scan0172 | |
| The rejection of 131 out of 143 chassis radiator matrices due to partial blockages. | 31th May 1937 | Box 150 \ 3 scan0173 | |
| Complaint and subsequent meeting with Marstons regarding a lack of water space in radiator matrices. | 27th May 1937 | Box 150 \ 3 scan0174 | |
| Outlining production and inspection requirements for the Phantom 111 matrix. | 27th May 1937 | Box 150 \ 3 scan0175 | |
| Arranging the loan of a Bentley shell shaping block and the transport of other radiator parts. | 31th May 1937 | Box 150 \ 3 scan0176 | |
| Letter to John Marston Ltd. confirming specifications and arrangements for radiator components. | 31th May 1937 | Box 150 \ 3 scan0177 | |
| Letter arranging the return of three Phantom III matrix units for cleaning due to overheating. | 1st Jun 1937 | Box 150 \ 3 scan0178 | |
| Damaged state of a Shaping Block for a Bentley shell and its potential despatch. | 1st Jun 1937 | Box 150 \ 3 scan0179 | |
| Request to obtain and despatch a spare shaping block for a Bentley radiator shell to John Marston Ltd. | 5th Jun 1937 | Box 150 \ 3 scan0180 | |
| Requesting the dispatch of a radiator matrix for testing and analysis, after first inspecting it for silted waterways. | 7th Jun 1937 | Box 150 \ 3 scan0181 | |
| Letter to John Marston Ltd. regarding the examination and flow testing of a Phantom III radiator matrix. | 7th Jun 1937 | Box 150 \ 3 scan0182 | |
| New fan to prevent engine overheating in London traffic. | 14th Jun 1937 | Box 150 \ 3 scan0183 | |
| Letter to John Marston Ltd. regarding the renovation and marking of Mk.V. matrices. | 15th Jun 1937 | Box 150 \ 3 scan0184 | |
| Despatch of three defective Phantom III radiator matrix units to John Marston Ltd. for renovation. | 15th Jun 1937 | Box 150 \ 3 scan0185 | |
| Requesting a covering order for a Bentley radiator matrix from Messrs John Marston. | 15th Jun 1937 | Box 150 \ 3 scan0186 | |
| Invoice from John Marston Ltd. for a Phantom III Radiator Shell. | 15th Jun 1937 | Box 150 \ 3 scan0187 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding an order for experimental material with Harrison Radiator Corporation. | 15th Jun 1937 | Box 150 \ 3 scan0188 | |
| Visit to Marstons to check progress and agree on standards for chassis radiator matrices. | 16th Jun 1937 | Box 150 \ 3 scan0189 | |
| The despatch of three Mk.V matrix units for renovation and testing. | 17th Jun 1937 | Box 150 \ 3 scan0190 | |
| Letter to Messrs John Marston Ltd. regarding issues with renovated Mk.V. matrix units, including leaks and silting. | 17th Jun 1937 | Box 150 \ 3 scan0191 | |
| Confirming receipt of a radiator shell and authorising payment of the invoice. | 17th Jun 1937 | Box 150 \ 3 scan0192 | |
| Letter confirming the requirement to attach a small plate marked 'R.C.' to renovated Mark V Matrices. | 17th Jun 1937 | Box 150 \ 3 scan0193 | |
| Letter to John Marston Ltd. regarding heat dissipation, shutter sets, radiator welding, and re-conditioning matrices. | 23th Jun 1937 | Box 150 \ 3 scan0194 | |
| Letter from a rubber manufacturer regarding samples of Rubber Water Connection Hoses. | 24th Jun 1937 | Box 150 \ 3 scan0195 | |
| Brief typed memo concerning a visit to Dunn at Sunbeam in Wolverhampton. | 25th Jun 1937 | Box 150 \ 3 scan0196 | |
| Letter from John Marston Ltd. to Mr. Steadman arranging a meeting. | 30th Jun 1937 | Box 150 \ 3 scan0197 | |
| List of discussion points for a visit to the supplier John Marston Ltd. | 27th Jan 1937 | Box 150 \ 3 scan0198 | |
| The movement of two radiator matrix units for examination. | 6th Jul 1937 | Box 150 \ 3 scan0199 | |
| Letter to John Marston Ltd. regarding radiator dissipation tests, modifications, and quotations for various components. | 6th Jul 1937 | Box 150 \ 3 scan0200 | |
| Quality control issues and the return of various car heater matrix units for examination and correction. | 6th Jul 1937 | Box 150 \ 3 scan0201 | |
| Letter attaching two prints, EW.1157 and EW.1191, to complete a set for a quotation on a new radiator. | 7th Jul 1937 | Box 150 \ 3 scan0202 | |
| Letter from John Marston Limited acknowledging receipt of a previous letter. | 7th Jul 1937 | Box 150 \ 3 scan0203 | |
| Letter to John Marston Ltd. regarding Bentley dummy shutter drawings and radiator modifications. | 8th Jul 1937 | Box 150 \ 3 scan0204 | |
| Order for three radiator matrices (Wraith) from Marston Ltd. | 8th Jul 1937 | Box 150 \ 3 scan0205 | |
| The return of a Bentley radiator fitted with dummy shutters for alterations. | 9th Jul 1937 | Box 150 \ 3 scan0206 | |
| Letter from John Marston Limited regarding radiators and components for Bentley, Phantom III, and Wraith models. | 13th Jul 1937 | Box 150 \ 3 scan0207 | |
| Letter from John Marston Ltd. regarding a silted up Phantom III Mark V and drawings for a Bentley Dummy Shutter. | 13th Jul 1937 | Box 150 \ 3 scan0208 | |
| Letter to a supplier regarding quality issues with Bentley radiator shutters and price quotations. | 27th Jul 1937 | Box 150 \ 3 scan0209 | |
| Letter requesting quotations for various radiator matrices, seeking clarification on pricing inconsistencies, and returning a deficient unit for examination. | 27th Jul 1937 | Box 150 \ 3 scan0210 | |
| Specification for a 25/30 Radiator Matrix to E.60931 in Mk.V. | 27th Jul 1937 | Box 150 \ 3 scan0211 | |
| Agreeing to additional charges, referencing an explanatory letter from Declo-Remy. | 30th Jul 1937 | Box 150 \ 3 scan0212 | |
| Letter from John Marston Limited regarding drawing A.97 for Bentley Radiator shutters. | 4th Aug 1937 | Box 150 \ 3 scan0213 | |
| Letter to John Marston Ltd. arranging a meeting to discuss radiators, car heaters and matrix reconditioning. | 5th Aug 1937 | Box 150 \ 3 scan0214 | |
| Letter from John Marston Ltd requesting clarification on material symbols for Rolls Wraith radiator parts. | 10th Aug 1937 | Box 150 \ 3 scan0215 | |
| Letter to John Marston Ltd. regarding repair procedures for oil cooler and radiator matrices. | 14th Aug 1937 | Box 150 \ 3 scan0216 | |
| Request for information on a Bentley radiator matrix and the return of leaking oil coolers for inspection. | 17th Aug 1937 | Box 150 \ 3 scan0217 | |
| Letter from John Marston Limited concerning oil cooler repairs, solder specifications, and a sample Bentley radiator. | 17th Aug 1937 | Box 150 \ 3 scan0218 | |
| Letter from John Marston Ltd. regarding the return and manufacture of oil coolers. | 17th Aug 1937 | Box 150 \ 3 scan0219 | |
| Internal request to place an order with Marston Ltd for a Bentley matrix and a set of dummy shutters. | 18th Aug 1937 | Box 150 \ 3 scan0220 | |
| Visit to supplier Messrs. John Marston Ltd. in Wolverhampton to discuss radiator matrices, oil coolers and car heaters. | 18th Aug 1937 | Box 150 \ 3 scan0221 | |
| Oil cooler failures, radiator quotations, and the supply of reconditioned matrices for various models. | 10th Aug 1937 | Box 150 \ 3 scan0222 | |
| Sample car heaters from Marstons, including pricing and details of their hydrogen brazing experiments. | 18th Aug 1937 | Box 150 \ 3 scan0223 | |
| Letter to John Marston Ltd. regarding the standardization and supply of Bentley radiator matrices and dummy shutters. | 18th Aug 1937 | Box 150 \ 3 scan0224 | |
| Letter discussing dies and patterns for a Wraith radiator and clarifying a quotation for a 25/30 HP matrix unit. | 18th Aug 1937 | Box 150 \ 3 scan0225 | |
| List detailing the availability of patterns and dies for Wraith radiator castings and forgings. | 18th Aug 1937 | Box 150 \ 3 scan0226 | |
| Request to order various sizes of rubber water connection hose for an experimental car. | 20th Aug 1937 | Box 150 \ 3 scan0227 | |
| Order of one dozen stainless steel balls for experimental use. | 20th Aug 1937 | Box 150 \ 3 scan0228 | |
| Letter to John Marston Ltd. clarifying if a quotation for Bentley dummy radiator shutters includes tool costs. | 24th Aug 1937 | Box 150 \ 3 scan0229 | |
| Letter to John Marston Ltd. regarding the testing, quotation, and modification of various Bentley and Wraith radiators and oil coolers. | 30th Aug 1937 | Box 150 \ 3 scan0230 | |
| Letter regarding the preparation of a scheme for a car heater. | 30th Aug 1937 | Box 150 \ 3 scan0231 | |
| Development and design considerations for a new car heater, potentially in collaboration with John Marston Ltd. | 30th Aug 1937 | Box 150 \ 3 scan0232 | |
| Letter to a supplier requesting a detailed parts list for a radiator price estimate. | 6th Aug 1937 | Box 150 \ 3 scan0233 | |
| Letter from John Marston Limited regarding the costs and manufacture of a Wraith radiator assembly. | 7th Sep 1937 | Box 150 \ 3 scan0234 | |
| List of parts for the Wraith radiator. | 9th Sep 1937 | Box 150 \ 3 scan0235 | |
| Telex message requesting the flow testing of MK.V1 matrices before they are brought to Derby. | 17th Jul 1934 | Box 150 \ 3 scan0236 | |
| Instruction to use a specific water connection hose and joint washers for all Wraith and B.III L.O.P's models. | 30th Sep 1937 | Box 150 \ 3 scan0237 | |
| The sending of a Phantom III radiator matrix to John Marston Ltd. for inspection. | 30th Sep 1937 | Box 150 \ 3 scan0238 | |
| Letter to John Marston Ltd. concerning the testing and return of faulty radiator matrix units. | 30th Sep 1937 | Box 150 \ 3 scan0239 | |
| Instruction to fit Leyland & Birmingham Rubber Hoses and Klingerite joint washers to experimental cars, noting specific exceptions. | 30th Sep 1937 | Box 150 \ 3 scan0240 | |
| HPS to Rm concerning a note from the Sheetmetal Shop about Marston's Radiators. | 6th Oct 1937 | Box 150 \ 3 scan0241 | |
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