| Description | Date | Identifier | |
| Test report on Phantom III oil consumption comparing results with and without outside oil drains. | 23th Feb 1937 | Box 144 \ 3 scan0168 | |
| Record of oil consumption for car GUL 82, detailing oil added at various mileages. | 2nd Mar 1937 | Box 144 \ 3 scan0169 | |
| The oil consumption for car GUL 1. | 2nd Mar 1937 | Box 144 \ 3 scan0170 | |
| Record of oil consumption for a car, detailing mileage readings and quantities of oil added. | 2nd Mar 1937 | Box 144 \ 3 scan0171 | |
| Cover note for trial results on oil consumption for the 25/30 HP cars GUL-1 and GUL-82. | 3rd Mar 1937 | Box 144 \ 3 scan0172 | |
| The oil consumption for car B 3 GA, detailing quantities added at specific mileage readings and the resulting miles per gallon calculation. | 2nd Mar 1937 | Box 144 \ 3 scan0173 | |
| Cover note regarding oil consumption results for Bentley trials cars B-2-GA and B-3-GA. | 3rd Mar 1937 | Box 144 \ 3 scan0174 | |
| Oil consumption report for chassis GAN 54. | 5th Mar 1937 | Box 144 \ 3 scan0175 | |
| Record of oil consumption for car 3-AZ-22, listing additions at various mileages. | 5th Mar 1937 | Box 144 \ 3 scan0176 | |
| Record of oil consumption for car B 4 GA, detailing mileage readings when oil was added. | 5th Mar 1937 | Box 144 \ 3 scan0177 | |
| Cover note regarding oil consumption results for a Phantom III trials car up to the end of February. | 10th Mar 1937 | Box 144 \ 3 scan0178 | |
| Oil consumption results for the Bentley Trials Car B-4-GA. | 3rd Mar 1937 | Box 144 \ 3 scan0179 | |
| Attaching the oil consumption results for the 25/30 HP Trials Car GAN-54. | 6th Mar 1937 | Box 144 \ 3 scan0180 | |
| Comparative report on the oil consumption of Mobiloil Arctic and Castrol CW in a Bentley B.56 BN. | 15th Mar 1937 | Box 144 \ 3 scan0181 | |
| Laboratory report comparing the properties of various oils, including Shell, Mobiloil, Spirax, and Amber 'B'. | 16th Mar 1937 | Box 144 \ 3 scan0182 | |
| Laboratory report comparing the characteristics of five different grease samples. | 9th Apr 1937 | Box 144 \ 3 scan0183 | |
| Viscosity curve graph for Shell shock absorber oil. | 1st Jul 1937 | Box 144 \ 3 scan0184 | |
| Viscosity curve for Mobiloil Arctic, plotting temperature against time of efflux from a viscometer. | 20th Feb 1937 | Box 144 \ 3 scan0185 | |
| Oil pressure drop issues on chassis 3.B.IV and 6.B.IV. | 17th Mar 1937 | Box 144 \ 3 scan0186 | |
| Results of tests on oil pressure drop during braking. | 23th Mar 1937 | Box 144 \ 3 scan0187 | |
| Investigation into a complaint of high oil consumption on a Bentley B.97.GP. | 24th Mar 1937 | Box 144 \ 3 scan0188 | |
| The oil consumption of car B 2 GA, detailing mileage and oil added. | 2nd Apr 1937 | Box 144 \ 3 scan0189 | |
| The oil consumption for car B3 GA, noting mileage and quantities added. | 2nd Apr 1937 | Box 144 \ 3 scan0190 | |
| Record of oil consumption for car B 4 GA, detailing oil added at various mileage points and the calculated m.p.g. | 2nd Apr 1937 | Box 144 \ 3 scan0191 | |
| Oil consumption report for car GUL 1, detailing oil added at various mileage readings. | 2nd Apr 1937 | Box 144 \ 3 scan0192 | |
| Oil consumption log detailing additions at specific mileages for car GAN 54. | 2nd Apr 1937 | Box 144 \ 3 scan0193 | |
| The oil consumption for car GWN 8, including mileage and oil added. | 2nd Apr 1937 | Box 144 \ 3 scan0194 | |
| Log of oil consumption for car 3-AZ-38, showing mileage, top-ups, and calculated MPG. | 2nd Apr 1937 | Box 144 \ 3 scan0195 | |
| Vehicle oil consumption, listing mileage readings against quantities of oil added. | 2nd Apr 1937 | Box 144 \ 3 scan0196 | |
| Requesting a test to determine the maximum permissible leak in a release valve to improve oil pressure recovery time. | 9th Apr 1937 | Box 144 \ 3 scan0197 | |
| Short memo detailing oil consumption for car B 39 JY. | 4th May 1937 | Box 144 \ 3 scan0198 | |
| The oil consumption for car B 119 JY, tracking mileage and oil added. | 4th May 1937 | Box 144 \ 3 scan0199 | |
| Oil consumption for car 3-AZ-22. | 4th May 1937 | Box 144 \ 3 scan0200 | |
| The oil consumption for car GAN 54, detailing speedometer readings and oil additions. | 4th May 1937 | Box 144 \ 3 scan0201 | |
| Oil consumption for car GUL 1, including mileage readings and oil top-ups. | 4th May 1937 | Box 144 \ 3 scan0202 | |
| Excessive oil consumption on the 4 1/4 Litre Bentley, with suggestions for piston rings. | 4th May 1937 | Box 144 \ 3 scan0203 | |
| Attachment of oil consumption figures for two Trials Cars for the month of April. | 5th May 1937 | Box 144 \ 3 scan0204 | |
| Oil consumption returns for London Trials Cars for the month of April. | 5th May 1937 | Box 144 \ 3 scan0205 | |
| The oil consumption for car GWN 8, detailing mileage and oil usage. | 5th May 1937 | Box 144 \ 3 scan0206 | |
| Log of oil consumption for car 3-AZ-38, detailing mileage readings against oil added and a monthly summary. | 7th May 1937 | Box 144 \ 3 scan0207 | |
| Oil consumption report for car B 60 JD, tracking mileage and oil additions. | 7th May 1937 | Box 144 \ 3 scan0208 | |
| Special oil consumption tests for production chassis. | 10th May 1937 | Box 144 \ 3 scan0209 | |
| Report on oil consumption and component testing on the 32-EX car, specifically the over-drive gearbox and front suspension. | 11th May 1937 | Box 144 \ 3 scan0210 | |
| Tests conducted to improve Phantom III oil consumption. | 11th May 1937 | Box 144 \ 3 scan0211 | |
| Attaching oil consumption figures for Trials Cars 3-AZ-22, GWN-2 and GAN-54 for the month of May. | 4th Jun 1937 | Box 144 \ 3 scan0212 | |
| Oil consumption for car GAN 54. | 2nd Jun 1937 | Box 144 \ 3 scan0213 | |
| Oil consumption and mileage for chassis No. 3-AZ-22. | 3rd Jun 1937 | Box 144 \ 3 scan0214 | |
| The oil consumption for vehicle GWN 2, including mileage readings and oil added. | 2nd Jun 1937 | Box 144 \ 3 scan0215 | |
| Note sending oil consumption figures for two Trials Cars for the month of May. | 3rd Jun 1937 | Box 144 \ 3 scan0216 | |
| Record of oil consumption for car B 39 JY, detailing mileage and oil added. | 2nd Jun 1937 | Box 144 \ 3 scan0217 | |
| The oil consumption for car B 60JD, detailing oil additions at various mileage points. | 2nd Jun 1937 | Box 144 \ 3 scan0218 | |
| Sending oil consumption figures for Trials Cars GWN-8 and 3-AZ-38 for the month of May. | 3rd Jun 1937 | Box 144 \ 3 scan0219 | |
| The oil consumption figures for vehicle GWN 8. | 2nd Jun 1937 | Box 144 \ 3 scan0220 | |
| Log of oil consumption for car 3-AZ-38, detailing mileage readings and the amount of oil added. | 2nd Jun 1937 | Box 144 \ 3 scan0221 | |
| Cover note regarding oil consumption figures for Trials Car B-119-JY for the month of May. | 4th Jun 1937 | Box 144 \ 3 scan0222 | |
| Oil consumption report for car B 119 JY, detailing mileage and oil top-ups. | 3rd Jun 1937 | Box 144 \ 3 scan0223 | |
| Oil consumption test results for a production chassis B-5-KW run by tester Brazier. | 22th Jun 1937 | Box 144 \ 3 scan0224 | |
| The oil consumption for vehicle GWN 8. | 1st Jul 1937 | Box 144 \ 3 scan0225 | |
| Record of oil consumption for car 3-AZ-22, listing mileage readings and oil top-ups. | 1st Jul 1937 | Box 144 \ 3 scan0226 | |
| Log of oil consumption for car B 119 JY, detailing mileage and oil top-ups. | 1st Jul 1937 | Box 144 \ 3 scan0227 | |
| Record of oil consumption for car B 60 JD, including mileage and oil added. | 1st Jul 1937 | Box 144 \ 3 scan0228 | |
| Oil consumption for car GWN 2. | 2nd Jul 1937 | Box 144 \ 3 scan0229 | |
| The oil consumption for car GAN 54. | 2nd Jul 1937 | Box 144 \ 3 scan0230 | |
| Record of oil consumption for car 3-AZ-38, listing mileage readings and quantities of oil added. | 2nd Jul 1937 | Box 144 \ 3 scan0231 | |
| Cover note attaching oil consumption figures for Trials Cars B-60-JD and B-119-JY for the month of June. | 2nd Jul 1937 | Box 144 \ 3 scan0232 | |
| Attaching oil consumption figures for Trials Cars 3-AZ-22 and GWN-8 for the month of June. | 2nd Jul 1937 | Box 144 \ 3 scan0233 | |
| Inconsistent oil consumption results, bearing repairs, and new chassis preparation. | 5th Jul 1937 | Box 144 \ 3 scan0234 | |
| Cover note for oil consumption figures for Trials Cars 3-AZ-38, GAN-54, and GWN-2 for the month of June. | 5th Jul 1937 | Box 144 \ 3 scan0235 | |
| Oil consumption figures for Trials Car B-39-JY for the month of June. | 6th Jul 1937 | Box 144 \ 3 scan0236 | |
| Record of oil consumption for car B 39 JY, detailing top-ups at various mileages and calculating the overall m.p.g. | 2nd Jul 1937 | Box 144 \ 3 scan0237 | |
| Variations in oil consumption on Phantom III cars and plans for investigation and improvement. | 9th Jul 1937 | Box 144 \ 3 scan0238 | |
| Heavy oil consumption, plans to test new pistons in France, and the continental testing of the first Wraith model. | 10th Jul 1937 | Box 144 \ 3 scan0239 | |
| Oil consumption and clutch performance of two demonstration cars, 3-AZ-38 and 3-AZ-22. | 15th Jul 1937 | Box 144 \ 3 scan0240 | |
| Test report on Bentley B.35.KU oil consumption at high speeds on the Brooklands track. | 16th Jul 1937 | Box 144 \ 3 scan0241 | |
| Record of oil consumption for car GAN 54, detailing mileage and oil top-ups. | 5th Aug 1937 | Box 144 \ 3 scan0242 | |
| The oil consumption for car B 119 JY. | 5th Aug 1937 | Box 144 \ 3 scan0243 | |
| Oil consumption for car 3-AZ-38, tracking mileage and oil top-ups over a month. | 5th Aug 1937 | Box 144 \ 3 scan0244 | |
| Record of oil consumption for vehicle 3-AZ-22, detailing mileage and oil added. | 5th Aug 1937 | Box 144 \ 3 scan0245 | |
| Record of oil consumption for car GWN 2, detailing mileage, oil top-ups, and calculated miles per gallon. | 5th Aug 1937 | Box 144 \ 3 scan0246 | |
| The oil consumption for car B 39 JY over a month. | 10th Aug 1937 | Box 144 \ 3 scan0247 | |
| Visit to the I.A.E. Research Department to discuss cylinder bore wear and oil consumption. | 17th Aug 1937 | Box 144 \ 3 scan0248 | |
| Engine component materials, hardness, machine limits, and finish. | 17th Aug 1937 | Box 144 \ 3 scan0249 | |
| Report discussing tests on ring flutter, bearing temperatures, and gear measurement instruments. | 17th Aug 1937 | Box 144 \ 3 scan0250 | |
| Record of oil consumption for car 3-AZ-38, showing mileage and oil added. | 6th Sep 1937 | Box 144 \ 3 scan0251 | |
| Record of oil consumption for car B 39 JY, detailing mileage and oil added. | 3rd Sep 1937 | Box 144 \ 3 scan0252 | |
| Oil consumption report for car B 119 JY, detailing mileage and oil added over a month. | 3rd Sep 1937 | Box 144 \ 3 scan0253 | |
| Oil consumption for car GAN 54, detailing mileage and oil added. | 3rd Sep 1937 | Box 144 \ 3 scan0254 | |
| Oil consumption for car GWN 2, including mileage, oil added, and miles per gallon calculation. | 3rd Sep 1937 | Box 144 \ 3 scan0255 | |
| Bentley cylinder bore wear and oil consumption, detailing specific engine features and test results. | 28th Sep 1937 | Box 144 \ 3 scan0256 | |
| Venturi crankcase breather tests and cylinder wear analysis. | 4th Oct 1937 | Box 144 \ 3 scan0257 | |
| Oil consumption data for car reference 3 CP 30. | 4th Oct 1937 | Box 144 \ 3 scan0258 | |
| Oil consumption for car 3-AZ-38, detailing oil top-ups at various mileage points. | 4th Oct 1937 | Box 144 \ 3 scan0259 | |
| Oil consumption for car GAN 54. | 4th Oct 1937 | Box 144 \ 3 scan0260 | |
| Attaching oil consumption figures for Bentley Trials Cars B-119-JY and B-39-JY for the month of September. | 5th Oct 1937 | Box 144 \ 3 scan0261 | |
| Record of oil consumption for car B 119 JY, detailing mileage and oil additions. | 4th Oct 1937 | Box 144 \ 3 scan0262 | |
| The oil consumption for chassis B 39 JY, detailing mileage and oil added. | 4th Oct 1937 | Box 144 \ 3 scan0263 | |
| Attaching oil consumption figures for September in respect of three specific trials cars. | 5th Oct 1937 | Box 144 \ 3 scan0264 | |
| Note detailing oil consumption for car GWN 2, including mileage readings and oil top-up amounts. | 5th Oct 1937 | Box 144 \ 3 scan0265 | |
| Cover note for attached oil consumption figures for Trials Car No. GWN-2 for the month of September. | 11th Oct 1937 | Box 144 \ 3 scan0266 | |
| Series of questions regarding a report on oil consumption and cylinder wear, particularly concerning Bentley engines and piston ring design. | 11th Oct 1937 | Box 144 \ 3 scan0267 | |
| | | | |
