| Description | Date | Identifier | |
| Instructions and suggestions for the re-assembly and testing of the S.U. Petrol Pump on the Phantom III. | 26th Nov 1936 | Box 149 \ 4 scan0126 | |
| Troubleshooting instructions for a pump's contact breaker and magnet winding. | 26th Nov 1936 | Box 149 \ 4 scan0127 | |
| Inquiry about the reliability of an 'Autoflux' petrol pump used on a Hispano Suissa. | 27th Nov 1936 | Box 149 \ 4 scan0128 | |
| Letter to The SU Company Ltd. discussing test results and issues with high lift pumps. | 28th Nov 1936 | Box 149 \ 4 scan0129 | |
| The second page of a typed letter regarding the production and delivery of silent pumps. | 30th Nov 1936 | Box 149 \ 4 scan0130 | |
| The return of an experimental petrol pump to S.U. Company for repair and examination. | 30th Nov 1936 | Box 149 \ 4 scan0131 | |
| S.U. pump body casting brought to the works for experimental purposes on the Phantom III. | 1st Dec 1936 | Box 149 \ 4 scan0132 | |
| Modification to the valves on an S.U. petrol pump to resolve issues with noise and unsteady delivery. | 2nd Dec 1936 | Box 149 \ 4 scan0133 | |
| Cover note for a list of S.U. petrol pumps removed from Bentley chassis during the month of November. | 3rd Dec 1936 | Box 149 \ 4 scan0134 | |
| List of S.U. petrol pumps removed from Bentley chassis with associated complaints for November 1936. | 2nd Dec 1936 | Box 149 \ 4 scan0135 | |
| Unsuitability of the Autoflux petrol pump for the Phantom III. | 4th Dec 1936 | Box 149 \ 4 scan0136 | |
| Short note of thanks regarding a communication about Autoflux petrol pumps. | 7th Dec 1936 | Box 149 \ 4 scan0137 | |
| Letter to the S.U. Company Co. Ltd. regarding induction pipes and carburetters for the 25/30 HP and Bentley models. | 7th Dec 1936 | Box 149 \ 4 scan0138 | |
| The decision to use a screw nozzle in the tool kit rather than adopting a tilted outside petrol filler. | 9th Dec 1936 | Box 149 \ 4 scan0139 | |
| Follow-up letter from S. Smith & Sons regarding the testing of 'Gaskoid' Jointing Washers for a petrol gauge tank unit. | 11th Dec 1936 | Box 149 \ 4 scan0140 | |
| Letter from The S.U. Carburetter Co. Ltd. regarding experiments with pumps and silencing washers. | 14th Dec 1936 | Box 149 \ 4 scan0141 | |
| Letter to Messrs. S. Smith & Sons Ltd. regarding a test on a tank unit with Gaskorid washers. | 15th Dec 1936 | Box 149 \ 4 scan0142 | |
| Enquiry to James Grose Ltd. about the supply of petrol tin pourers. | 15th Dec 1936 | Box 149 \ 4 scan0143 | |
| Letter to The S.U. Company regarding leaking Bentley petrol pumps. | 17th Dec 1936 | Box 149 \ 4 scan0144 | |
| Letter to Superflexit Ltd. regarding the testing of flexible petrol pipes on Bentley and Phantom III cars. | 18th Dec 1936 | Box 149 \ 4 scan0145 | |
| Letter from The S.U. Carburetter Co. Ltd regarding the careful testing of their pumps. | 18th Dec 1936 | Box 149 \ 4 scan0146 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd regarding Gaskoid Washers. | 18th Dec 1936 | Box 149 \ 4 scan0147 | |
| Return of three Bentley petrol pumps to Kingsbury after repair. | 18th Dec 1936 | Box 149 \ 4 scan0148 | |
| Request to despatch three Bentley petrol pumps to Kingsbury for examination and repair. | 18th Dec 1936 | Box 149 \ 4 scan0149 | |
| Return of three Bentley petrol pumps and the investigation of leaks with the S.U. Company. | 18th Dec 1936 | Box 149 \ 4 scan0150 | |
| Letter from Angus & Co Ltd discussing samples of 'Gaco' diaphragm material and tubing. | 19th Dec 1936 | Box 149 \ 4 scan0151 | |
| Continuation sheet from George Angus & Co. Ltd. regarding the supply of tubing. | 19th Dec 1936 | Box 149 \ 4 scan0152 | |
| Letter to Superflexit Ltd. regarding the testing of flexible petrol pipes on Bentley and Phantom III cars. | 19th Dec 1936 | Box 149 \ 4 scan0153 | |
| Requesting an order for a petrol pourer for experimental use. | 23th Dec 1936 | Box 149 \ 4 scan0154 | |
| Extract from a letter received from the Rover Co. regarding issues with A.C. Fuel Pumps. | 23th Dec 1936 | Box 149 \ 4 scan0155 | |
| Letter to George Angus & Co. Ltd. regarding variations in the thickness of a sample Gaco sheet and diaphragms. | 31th Dec 1936 | Box 149 \ 4 scan0156 | |
| Bringing six diaphragm assemblies from the S.U. Co. to the Works for experimental purposes. | 4th Jan 1937 | Box 149 \ 4 scan0157 | |
| Letter from George Angus & Co Ltd concerning a sample of 'Gaco' sheet and the supply of diaphragm material. | 1st Jan 1937 | Box 149 \ 4 scan0158 | |
| The failure of a petrol pump on vehicle B-23-AE, caused by worn brass distance pieces. | 5th Jan 1937 | Box 149 \ 4 scan0159 | |
| The failure of a petrol pump on vehicle B-23-AE due to worn brass distance pieces. | 5th Jan 1937 | Box 149 \ 4 scan0160 | |
| Requesting the fitting of trial switches for petrol pumps into the instrument boards of experimental cars 36 and 38-EX. | 8th Jan 1937 | Box 149 \ 4 scan0161 | |
| The satisfactory performance of a special petrol pump fitted to the Paris Trial's car. | 9th Jan 1937 | Box 149 \ 4 scan0162 | |
| Request for detailed costs on S.U. Co. petrol pump parts, proposing a change from stainless steel to nickel-plated brass. | 9th Jan 1937 | Box 149 \ 4 scan0163 | |
| Faulty Bakelite cover for an S.U. Pump returned from Lillie Hall. | 13th Jan 1937 | Box 149 \ 4 scan0164 | |
| Inquiring about the progress of fitting and testing an extra petrol pump for the Phantom III model. | 18th Jan 1937 | Box 149 \ 4 scan0165 | |
| Letter to S.U. Carburetter Co. Ltd. regarding progress on quieting petrol pumps. | 19th Jan 1937 | Box 149 \ 4 scan0166 | |
| Letter from S. Smith & Sons regarding their inability to trace the receipt of a tank attachment. | 20th Jan 1937 | Box 149 \ 4 scan0167 | |
| The supply and fitting of petrol pump switches. | 22th Jan 1937 | Box 149 \ 4 scan0168 | |
| Letter to S. Smith & Sons regarding a delayed and leaky petrol tank unit. | 23th Jan 1937 | Box 149 \ 4 scan0169 | |
| Faulty Bentley carburetter pot returned to the S.U. Co. for alteration and replacement. | 26th Jan 1937 | Box 149 \ 4 scan0170 | |
| Letter to S.U. Carburetter Co. Ltd. about supplying an automatic starting carburetter for a Bentley. | 26th Jan 1937 | Box 149 \ 4 scan0171 | |
| Letter to the S.U. Company discussing fitting issues with a 25/30.HP downdraught carburetter and plans to test a Bentley thermostarter. | 29th Jan 1937 | Box 149 \ 4 scan0172 | |
| Sticking piston in S.U. Bentley carburetters caused by a badly made pot. | 29th Jan 1937 | Box 149 \ 4 scan0173 | |
| The despatch of an experimental petrol pump to the S.U. Company for modification and repair. | 1st Feb 1937 | Box 149 \ 4 scan0174 | |
| Letter from S. Smith & Sons detailing the examination of a faulty Tank Unit, model T.A.248. | 1st Feb 1937 | Box 149 \ 4 scan0175 | |
| Letter to The S.U. Carburetter Company regarding modifications to a high-pressure pump for a Phantom III. | 1st Feb 1937 | Box 149 \ 4 scan0176 | |
| Notice explaining the operation of the three-way switch for the S.U. petrol pumps. | 29th Jan 1937 | Box 149 \ 4 scan0177 | |
| Letter from S.U. Carburetter Co. Ltd. regarding an overhauled high-pressure pump and a delay on spare parts. | 4th Feb 1937 | Box 149 \ 4 scan0178 | |
| Cylinder wear caused by strong fuel mixtures from S.U. carburettors during cold starts. | 6th Feb 1937 | Box 149 \ 4 scan0179 | |
| Return of a high pressure petrol pump (EX3) and six diaphragm assemblies from the S.U. Company. | 8th Feb 1937 | Box 149 \ 4 scan0180 | |
| Letter to the S.U. Company inquiring about diaphragm pump assemblies, pricing, and life expectancy. | 9th Feb 1937 | Box 149 \ 4 scan0181 | |
| Letter requesting a standard double pump body with brass plugs for a cost-saving evaluation. | 9th Feb 1937 | Box 149 \ 4 scan0182 | |
| The routine replacement of S.U. petrol pump diaphragms. | 9th Feb 1937 | Box 149 \ 4 scan0183 | |
| Letter to Angus Oil Seals Ltd. following up on a promised supply of sample diaphragms. | 10th Feb 1937 | Box 149 \ 4 scan0184 | |
| Letter from The S.U. Carburetter Co. Ltd. discussing diaphragm assembly pricing, lifespan, and sending a sample pump body. | 11th Feb 1937 | Box 149 \ 4 scan0185 | |
| Authorizing payment to Mr. Allen White for a supplied stoneguard. | 11th Feb 1937 | Box 149 \ 4 scan0186 | |
| Letter to the S.U. Company proposing a design change for the magnet pot on a high pressure pump. | 13th Feb 1937 | Box 149 \ 4 scan0187 | |
| Letter from The S.U. Carburetter Co. Ltd. regarding a design suggestion and potential construction methods. | 15th Feb 1937 | Box 149 \ 4 scan0188 | |
| Letter from George Angus & Co Ltd regarding the experimental production and supply of 'Gaco' diaphragm samples. | 16th Feb 1937 | Box 149 \ 4 scan0189 | |
| Works chemist's report discussing petrol-related corrosion and gumming issues on tank attachment parts. | 17th Feb 1937 | Box 149 \ 4 scan0190 | |
| Request to manufacture two cast iron magnet pots for a high-pressure S.U. petrol pump. | 17th Feb 1937 | Box 149 \ 4 scan0191 | |
| Letter from H.M. Hobson Components Ltd. requesting a progress update on the installation of a Hobson K-S Electric Telegage. | 18th Feb 1937 | Box 149 \ 4 scan0192 | |
| Letter acknowledging a sample of Gaco-impregnated fabric for testing purposes. | 18th Feb 1937 | Box 149 \ 4 scan0193 | |
| Design for a petrol feed connection using an Enots olive joint. | 18th Feb 1937 | Box 149 \ 4 scan0194 | |
| Letter from S. Smith & Sons regarding an investigation into a sticky residue found on tank units. | 19th Feb 1937 | Box 149 \ 4 scan0195 | |
| Request for G5 diaphragm assemblies for endurance testing and a discussion on material samples. | 19th Feb 1937 | Box 149 \ 4 scan0196 | |
| Letter from S.U. Carburetter Co. Ltd. regarding issues with GACO diaphragm material and faulty G5 pumps. | 20th Feb 1937 | Box 149 \ 4 scan0197 | |
| Query on a stone guard from supplier Allen White, requesting a G/R sheet to clear an invoice. | 22th Feb 1937 | Box 149 \ 4 scan0198 | |
| Letter to H.M. Hobson Components Ltd. giving initial feedback on a sample KS Electric Gauge. | 23th Feb 1937 | Box 149 \ 4 scan0199 | |
| Letter from H.M. Hobson Components Ltd. responding to feedback on an Electric Gauge. | 24th Feb 1937 | Box 149 \ 4 scan0200 | |
| Investigation into the failure of S.U. petrol pumps on a Bentley, attributing the issue to poor quality diaphragm cloth and the use of Discol fuel. | 26th Feb 1937 | Box 149 \ 4 scan0201 | |
| Letter to The S.U. Company Ltd. concerning the fitting of a Thermo Starter to a Bentley. | 26th Feb 1937 | Box 149 \ 4 scan0202 | |
| Cost and modification of Bentley and Wraith II petrol tank stone guards. | 26th Feb 1937 | Box 149 \ 4 scan0203 | |
| Letter to Alunise Ltd. inquiring about soldering 20 S.W.G. aluminium sheet onto tinned steel. | 3rd Mar 1937 | Box 149 \ 4 scan0204 | |
| Letter from Alunize Ltd. regarding their aluminium and light alloy jointing material. | 4th Mar 1937 | Box 149 \ 4 scan0205 | |
| Instructions for using 'ALUNIZE' Solder. | 5th Mar 1937 | Box 149 \ 4 scan0206 | |
| Requesting the deletion of fuses on the petrol pumps of car 3-B-IV. | 5th Mar 1937 | Box 149 \ 4 scan0207 | |
| Alternative, cheaper petrol pump scheme for the Phantom III. | 5th Mar 1937 | Box 149 \ 4 scan0208 | |
| Letter to the S.U. Carburetter Co. regarding a Bentley thermo starter issue and requesting a new needle. | 5th Mar 1937 | Box 149 \ 4 scan0209 | |
| Proposal and trial of a third petrol pump scheme for the Phantom III. | 5th Mar 1937 | Box 149 \ 4 scan0210 | |
| Car arriving from Paris and the status of ongoing work based on three received memos. | 9th Mar 1937 | Box 149 \ 4 scan0211 | |
| Letter to Alunise Ltd. regarding a trial of their 'Alunise' process on various metal samples. | 9th Mar 1937 | Box 149 \ 4 scan0212 | |
| Letter from Alunize Ltd confirming they will join and return samples of aluminium, tinned steel, and duraluminium sheet. | 11th Mar 1937 | Box 149 \ 4 scan0213 | |
| Letter from S.U. Carburetter Co. Ltd. regarding a new needle assembly for a thermostatic carburetter. | 11th Mar 1937 | Box 149 \ 4 scan0214 | |
| The fracturing of the main oil pipe from the pump to the Tecalemit filter due to vibration. | 12th Mar 1937 | Box 149 \ 4 scan0215 | |
| Letter to S.U. Co. Ltd. requesting price details for a double pump and acknowledging receipt of a stronger needle for a thermo starter. | 16th Mar 1937 | Box 149 \ 4 scan0216 | |
| Official order to be sent to the S.U. Company for diaphragm assemblies. | 17th Mar 1937 | Box 149 \ 4 scan0217 | |
| Follow-up letter to the AC-Sphinx Sparking Plug Co. Ltd. regarding a promised A.C. fuel pump. | 23th Mar 1937 | Box 149 \ 4 scan0218 | |
| Letter to The S.U. Company Ltd. concerning faulty G.3 petrol pumps and requesting a quote for a standard double pump. | 2nd Apr 1937 | Box 149 \ 4 scan0219 | |
| Instructing the examination of pumps returned from the Depots. | 2nd Apr 1937 | Box 149 \ 4 scan0220 | |
| Letter from Ford Motor Company regarding gear cyaniding and the reliability of Autopulse petrol pumps. | 5th Apr 1937 | Box 149 \ 4 scan0221 | |
| Return of five faulty petrol pumps and two magneto pots for examination and repair. | 5th Apr 1937 | Box 149 \ 4 scan0222 | |
| Requesting arrangements to fit a 3-pump scheme and alter the horn relay wiring on vehicle 33-EX. | 6th Apr 1937 | Box 149 \ 4 scan0223 | |
| Questioning the unauthorized change of petrol pump diaphragms in Paris and seeking clarification on the original complaint. | 7th Apr 1937 | Box 149 \ 4 scan0224 | |
| The examination of a failed S.U. petrol pump from chassis 3.AZ.196 which failed in Germany. | 7th Apr 1937 | Box 149 \ 4 scan0225 | |
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