| Description | Date | Identifier | |
| Page of illustrations showing a pan and various views of an engine assembly and its components. | 31th May 1936 | Box 141 \ 2 scan0153 | |
| Page of five technical drawings illustrating various mechanical components and assemblies. | 31th May 1936 | Box 141 \ 2 scan0154 | |
| Brief analysis of the automotive lubrication system presented to the Society of Automotive Engineers. | 31th May 1936 | Box 141 \ 2 scan0155 | |
| Technical analysis of engine lubrication systems, covering bearing pressures, oil viscosity, and temperature effects. | 31th May 1936 | Box 141 \ 2 scan0156 | |
| Engine oil supply failures, the effects of high temperatures, and lubrication properties. | 31th May 1936 | Box 141 \ 2 scan0157 | |
| Technical document detailing various engine lubrication systems, including pump and splash, full force feed, and systems for inverted air-cooled aircraft engines. | 31th May 1936 | Box 141 \ 2 scan0158 | |
| Technical description of lubrication systems in various types of aircraft engines, including Vee and radial types. | 31th May 1936 | Box 141 \ 2 scan0159 | |
| Page discussing various engine lubrication and cooling systems, referencing specific design figures. | 31th May 1936 | Box 141 \ 2 scan0160 | |
| Comparison of lubrication systems, sludge formation, and engine cooling in automobile versus aircraft engines. | 31th May 1936 | Box 141 \ 2 scan0161 | |
| Page discussing the importance of oil temperature, lubrication, and oil systems in automobile engines. | 31th May 1936 | Box 141 \ 2 scan0162 | |
| Page of figures illustrating various cutaway views of a V-engine and a pan analogy. | 31th May 1936 | Box 141 \ 2 scan0163 | |
| Page of drawings showing various mechanical components and cross-sections, labelled Figures 15, 16, 17, 20, and 21. | 31th May 1936 | Box 141 \ 2 scan0164 | |
| Three proposed engine improvements for filtration, oil cooling, and oil drawing. | 30th Dec 1938 | Box 141 \ 2 scan0165 | |
| Posing questions about replacing a Bijur-Luvax chassis lubrication pump with a Tecalemit unit. | 30th Dec 1938 | Box 141 \ 2 scan0166 | |
| Continuation page with tables detailing discharge rates and the number of feeds for various component sizes. | 30th Dec 1938 | Box 141 \ 2 scan0167 | |
| Operation and modification of a Tecalemit Chassis Lubricator. | 9th Feb 1939 | Box 141 \ 2 scan0168 | |
| Blueprints for a tank for the Tecalemit lubrication system. | 22th Feb 1939 | Box 141 \ 2 scan0169 | |
| Letter from Tecalemit to Rolls Royce regarding chassis lubrication, enclosing a list of drawings for various pumps and fittings. | 6th Mar 1929 | Box 141 \ 2 scan0170 | |
| Letter from Tecalemit with recommendations for feed lines and pump drive components, referencing specific part and drawing numbers. | 6th Mar 1939 | Box 141 \ 2 scan0171 | |
| Letter to Tecalemit Ltd. from the Experimental Department regarding an order for chassis lubrication parts. | 6th Apr 1939 | Box 141 \ 2 scan0172 | |
| Letter discussing production prices and modifications to a pump shaft for mounting an impulse coupling. | 6th Apr 1939 | Box 141 \ 2 scan0173 | |
| Letter to Luvax Ltd. concerning issues with blocking size 5 metering valves. | 15th Apr 1939 | Box 141 \ 2 scan0174 | |
| Letter from Tecalemit confirming the dispatch of various chassis lubrication parts and discussing pricing. | 17th Apr 1939 | Box 141 \ 2 scan0175 | |
| Continuation sheet of a letter from Tecalemit regarding a production quote for fittings and a shaft modification. | 18th Apr 1939 | Box 141 \ 2 scan0176 | |
| Letter from Luvax Limited discussing a filter in a No. 5 Meter Valve to prevent blockages from metal particles. | 18th Apr 1939 | Box 141 \ 2 scan0177 | |
| Investigation of a flexible pipe solution for front suspension lubrication. | 18th Apr 1939 | Box 141 \ 2 scan0178 | |
| Requesting the production of 3 shafts (RM.588) to test the Tecalemit chassis lubrication unit. | 19th Apr 1939 | Box 141 \ 2 scan0179 | |
| Blueprint for a Tecalemit pump drive shaft. | 19th Apr 1939 | Box 141 \ 2 scan0180 | |
| Proposal to replace the Bijur-Luvax chassis lubrication pump with a Tecalemit unit, including a cost comparison. | 19th Apr 1939 | Box 141 \ 2 scan0181 | |
| The design and operation of an automatic lubrication system, comparing impulse coupling and rotary pump mechanisms. | 19th Apr 1939 | Box 141 \ 2 scan0182 | |
| Detailed cross-section drawing of a mechanical assembly with numerous numbered parts. | 19th Apr 1939 | Box 141 \ 2 scan0183 | |
| Cross-sectional drawing of a mechanical assembly with numbered parts. | 19th Apr 1939 | Box 141 \ 2 scan0184 | |
| Close-up view of an open tank showing the internal float and linkage mechanism. | 19th Apr 1939 | Box 141 \ 2 scan0185 | |
| Close-up view of an engine bay component, showing a float mechanism inside a tank and a lubricant recommendation plate. | 24th Apr 1939 | Box 141 \ 2 scan0186 | |
| Requesting a fatigue resistance comparison test between Bijur and Tecalemit chassis lubrication piping. | 24th Apr 1939 | Box 141 \ 2 scan0187 | |
| Oil dilution, requesting a sample of oil that has covered the largest possible mileage for analysis. | 21th Aug 1941 | Box 141 \ 2 scan0188 | |
| Chasing the delivery of small shafts for the Tecalemit chassis lubrication system. | 3rd May 1939 | Box 141 \ 2 scan0189 | |
| Proposal for a cheaper automatic chassis lubrication system. | 12th May 1939 | Box 141 \ 2 scan0190 | |
| Schematic drawing of the No. 5 Bijur metering valve for safety purposes. | 3rd Jun 1939 | Box 141 \ 2 scan0191 | |
| Order for a dozen Superflexit metal braided tubes for testing purposes. | 3rd Jun 1939 | Box 141 \ 2 scan0192 | |
| Inquiry to A.T. Speedometer Co. Ltd. regarding a special union and gears for driving two speedometer cables. | 20th Jun 1939 | Box 141 \ 2 scan0193 | |
| Request to create a drawing for a housing for the Tecalemit chassis lubrication pump drive. | 21th Jun 1939 | Box 141 \ 2 scan0194 | |
| Letter from a supplier confirming the availability and price of a dual drive gearbox, requesting clarification on the chassis type required. | 22th Jun 1939 | Box 141 \ 2 scan0195 | |
| Request to A.T. Speedometer Co. Ltd. for both Wraith and Bentley dual drives for an experimental box. | 23th Jun 1939 | Box 141 \ 2 scan0196 | |
| Blueprints for a Tecalemit chassis lubrication pump. | 27th Jun 1939 | Box 141 \ 2 scan0197 | |
| Requesting the return of 12 Superflexit pipes that were sent in error. | 28th Jun 1939 | Box 141 \ 2 scan0198 | |
| Follow-up letter from Tecalemit Limited regarding the status of experimental work. | 28th Jun 1939 | Box 141 \ 2 scan0199 | |
| Request to return a dual drive unit to A.T. Speedometer Co. Ltd. as it does not fit the Bentley V. | 5th Jul 1939 | Box 141 \ 2 scan0200 | |
| Letter to A.T. Speedometer Co. Ltd. about returning a dual drive that does not fit the chassis. | 7th Jul 1939 | Box 141 \ 2 scan0201 | |
| Requesting tests on a Tecalemit chassis lubrication pump. | 12th Jul 1939 | Box 141 \ 2 scan0202 | |
| Invoice from A.T. Speedometer Co. Ltd. for a Dual Drive and Attachment, seeking authorization for payment. | 12th Jul 1939 | Box 141 \ 2 scan0203 | |
| Return of an unsuitable dual drive part and the cancellation of payment. | 14th Jul 1939 | Box 141 \ 2 scan0204 | |
| Letter to Tecalemit Ltd. concerning a quotation for a rotary pump, its design use, and preferred manufacturing material. | 20th Jul 1939 | Box 141 \ 2 scan0205 | |
| Requesting the testing of Tecalemit check valves as part of a replacement for the Bijur chassis lubrication scheme. | 21th Jul 1939 | Box 141 \ 2 scan0206 | |
| Blue prints for a flexible pipe for the front wheel suspension on a Bentley V chassis. | 17th Aug 1939 | Box 141 \ 2 scan0207 | |
| Request to make a drawing for a modified Superflexit pipe for the Bentley V chassis lubrication system. | 17th Aug 1939 | Box 141 \ 2 scan0208 | |
| Letter to Tecalemit Ltd. concerning the design and testing of an impulse coupling and feed regulators. | 18th Aug 1939 | Box 141 \ 2 scan0209 | |
| Letter to Tecalemit Ltd. regarding the delivery from different types of feed regulators and requesting a recommendation. | 18th Aug 1939 | Box 141 \ 2 scan0210 | |
| Request for a scheme to be drawn for spring lubrication by grease gun. | 21th Aug 1939 | Box 141 \ 2 scan0211 | |
| Authorising the loan of an impulse coupling to Tecalemit Ltd for testing. | 23th Aug 1939 | Box 141 \ 2 scan0212 | |
| Letter to Tecalemit Ltd. regarding a delay in providing an impulse coupling for testing. | 24th Aug 1939 | Box 141 \ 2 scan0213 | |
| Letter to Tecalemit Ltd. regarding the shaft speed for an impulse coupling drive. | 28th Aug 1939 | Box 141 \ 2 scan0214 | |
| Letter from Tecalemit Limited acknowledging a letter from the Experimental Department dated 28th August. | 4th Sep 1939 | Box 141 \ 2 scan0215 | |
| Invoice from Tecalemit Limited for the supply of nipples. | 31th Aug 1939 | Box 141 \ 2 scan0216 | |
| Incorporation of a centralised lubrication system into new work. | 30th Oct 1939 | Box 141 \ 2 scan0217 | |
| Schemes for fitting Tecalemit mechanically driven lubrication pumps to various car chassis. | 2nd Oct 1939 | Box 141 \ 2 scan0218 | |
| Requesting a drive be schemed for a Tecalemit lubrication pump on the small gearbox. | 4th Nov 1939 | Box 141 \ 2 scan0219 | |
| Comparing the automatic chassis lubrication system on a Rover with the current scheme. | 22th Feb 1940 | Box 141 \ 2 scan0220 | |
| Revised drive for the Tecalemit lubrication pump due to manufacturing difficulties. | 22th Feb 1940 | Box 141 \ 2 scan0221 | |
| Cover note regarding bearing history for a petrol injection project. | 12th Aug 1940 | Box 141 \ 2 scan0222 | |
| Investigation into the Merlin engine's main pressure lubrication system and bearing metallurgy. | 22th Jul 1940 | Box 141 \ 2 scan0223 | |
| Comparison of lubrication schemes and bearing loads in Kestrel, Merlin, and Bentley engines. | 22th Jul 1940 | Box 141 \ 2 scan0224 | |
| Comparison of Merlin and Bentley engine lubrication systems and bearing specifications. | 22th Jul 1940 | Box 141 \ 2 scan0225 | |
| Analysis of engine big-end bearing failures, investigating causes related to oil flow and testing alternative bearing schemes. | 22th Jul 1940 | Box 141 \ 2 scan0226 | |
| Analysis of bearing lubrication suggesting the repositioning of oil feed holes to improve performance under maximum load. | 22th Jul 1940 | Box 141 \ 2 scan0227 | |
| Main bearing development, comparing different tin and silver alloys for anti-seizing and fatigue properties. | 19th Jun 1940 | Box 141 \ 2 scan0228 | |
| Test report comparing various engine bearing designs, alloys, and oil supply conditions, with corresponding figures of merit. | 19th Jun 1940 | Box 141 \ 2 scan0229 | |
| Proposed future programme for assessing the anti-seizing properties of various alloys and bearings. | 19th Jun 1940 | Box 141 \ 2 scan0230 | |
| Statistical report on Merlin II, III, IV and X engines returned for service, detailing aircraft types and causes of damage. | 31th May 1940 | Box 141 \ 2 scan0231 | |
| Chart detailing various failure types for 237 returned MER II, III, IV, and X engines. | 31th May 1940 | Box 141 \ 2 scan0232 | |
| Statistical report on Merlin III, IV, and X engine faults and service returns from March-May 1940. | 31th May 1940 | Box 141 \ 2 scan0233 | |
| Analysis of internal glycol leaks and bearing failures in returned Merlin and X engines. | 31th May 1940 | Box 141 \ 2 scan0234 | |
| Lubrication and anti-wear treatment for the bronze magneto drive skew gear on the Merlin engine. | 28th Oct 1940 | Box 141 \ 2 scan0235 | |
| Use of various Extreme Pressure (E.P.) oils for running-in gears. | 31th Oct 1940 | Box 141 \ 2 scan0236 | |
| Letter from British Bundy Tubing discussing a sample set of 'Bundylim' tubing parts and acknowledging order No. 34884. | 20th Nov 1940 | Box 141 \ 2 scan0237 | |
| Requested modification to the dip-stick for rationalised engines. | 12th Dec 1940 | Box 141 \ 2 scan0238 | |
| Letter to British Bundy Tubing Co. Ltd. regarding a set of fittings and drawings for oil pipes. | 17th Jan 1941 | Box 141 \ 2 scan0239 | |
| The despatch of various oil fittings to the British Tubing Co. Ltd. | 17th Jan 1941 | Box 141 \ 2 scan0240 | |
| Letter from the British Bundy Tubing Company acknowledging receipt of an order for sample oil tubes and associated drawings. | 21th Jan 1941 | Box 141 \ 2 scan0241 | |
| Tests to ascertain the value of a hole in the connecting rod for extra cylinder lubrication under cold starting conditions on a Bentley engine. | 10th Feb 1941 | Box 141 \ 2 scan0242 | |
| Oil throw tests comparing drilled vs non-drilled connecting rods and discussing piston seizure on Bentley engines. | 4th Apr 1935 | Box 141 \ 2 scan0243 | |
| Report discussing oil consumption on Bentley engines, focusing on the effects of blanking an extra oil hole in the connecting rod. | 19th Oct 1937 | Box 141 \ 2 scan0244 | |
| Letter to Vauxhall Motors discussing issues with oil seals, materials, and leakage problems. | 27th Mar 1941 | Box 141 \ 2 scan0245 | |
| Letter to Tecalemit Ltd. inquiring about flexible hoses for the automatic chassis lubrication system on a Daimler 2 1/2 litre car. | 20th Mar 1941 | Box 141 \ 2 scan0246 | |
| Comparing engine oil way dimensions for various engine models. | 18th Apr 1941 | Box 141 \ 2 scan0247 | |
| Letter from British Bundy Tubing Company regarding the manufacture of handmade oil pipes. | 19th Aug 1941 | Box 141 \ 2 scan0248 | |
| Letter responding to an enquiry about brake squeak, discussing methods for obtaining friction-speed curves and the apparatus used for testing. | 24th Jan 1939 | Box 141 \ 2 scan0249 | |
| Page 2 of a letter to the Institute of Automobile Engineers regarding brake lining performance and a meeting arrangement. | 24th Jan 1939 | Box 141 \ 2 scan0250 | |
| Letter from the Automobile Research Committee arranging a meeting to discuss brake squeak. | 27th Jan 1939 | Box 141 \ 2 scan0251 | |
| Letter to the Institution of Automobile Engineers detailing the points made about brake temperature. | 4th Feb 1939 | Box 141 \ 2 scan0252 | |
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