| Description | Date | Identifier | |
| Letter from Cadillac detailing the composition of a white bearing metal (babbitt) used in connecting rods. | 10th Nov 1936 | Box 125 \ 1 scan0297 | |
| Letter from Cadillac Motor Car Co. discussing experimental metal compositions and production plans. | 11th Oct 1936 | Box 125 \ 1 scan0298 | |
| Letter to the Chief Engineer of Cadillac thanking him for service information and enclosing a Phantom III instruction book. | 17th Nov 1936 | Box 125 \ 1 scan0299 | |
| Letter from Cadillac's Chief Engineer enclosing a Cadillac Data Book and Preliminary Service Information. | 3rd Nov 1936 | Box 125 \ 1 scan0300 | |
| Letter from Cadillac Motor Car Company's Chief Engineer acknowledging receipt of a Phantom III instruction book. | 2nd Dec 1936 | Box 125 \ 1 scan0301 | |
| Letter from Cadillac Motor Car Company concerning crankshaft balancers and flywheel standardization. | 11th Dec 1936 | Box 125 \ 1 scan0302 | |
| Notes on crankshaft balancers, detailing the procedure for fitting a damped harmonic type and the relevant frequency calculation. | 1st Dec 1936 | Box 125 \ 1 scan0303 | |
| Procedure for testing and tuning engine crankshaft balancers by analyzing torsional vibration. | 1st Dec 1936 | Box 125 \ 1 scan0304 | |
| Engine balancers, flywheels, and crankshaft deflection. | 1st Dec 1936 | Box 125 \ 1 scan0305 | |
| Letter discussing wheel torsional rates, damping, a proposed spider redesign, and a request for information on the Bentley Six. | 12th Feb 1936 | Box 125 \ 1 scan0306 | |
| Series of graphs illustrating the effects of a crankshaft balancer on torsional harmonic vibrations under various tuning conditions. | 12th Feb 1936 | Box 125 \ 1 scan0307 | |
| Blueprint for a Screw-Harmonic Balancer Jaw Retaining. | 30th Jan 1930 | Box 125 \ 1 scan0308 | |
| Blueprint for a harmonic balancer assembly from the Cadillac Motor Car Company. | 11th Aug 1933 | Box 125 \ 1 scan0309 | |
| Blueprint for a Plug - Harmonic Balancer Ring from the Cadillac Motor Car Co. | 19th Feb 1931 | Box 125 \ 1 scan0310 | |
| Blueprint drawing for a Spring - Harmonic Balancer. | 12th Jun 1930 | Box 125 \ 1 scan0311 | |
| Blueprint for a Pin - Fan Driving Pulley from the Cadillac Motor Car Co. | 23th Jun 1931 | Box 125 \ 1 scan0312 | |
| Blueprint for a plate-thrust-harmonic balancer spring. | 8th Aug 1931 | Box 125 \ 1 scan0313 | |
| Blueprint for a fan driving pulley. | 25th Sep 1931 | Box 125 \ 1 scan0314 | |
| Technical drawing for a Cadillac cranking jaw for a harmonic balancer. | 29th Apr 1930 | Box 125 \ 1 scan0315 | |
| Technical drawing of a harmonic balancer plate for Cadillac Motor Car Co. | 19th Aug 1933 | Box 125 \ 1 scan0316 | |
| Blueprint for a Jaw-Harmonic Balancer Cranking Assembly. | 21th Aug 1933 | Box 125 \ 1 scan0317 | |
| Blueprint for a Cover-Harmonic Balancer. | 17th Jan 1931 | Box 125 \ 1 scan0318 | |
| Finished drawing and forging drawing for a Carrier-Spring-Harmonic Balancer. | 2nd Jun 1931 | Box 125 \ 1 scan0319 | |
| Letter to the Cadillac Motor Car Company regarding crankshaft dampers and flexible flywheel testing. | 23th Dec 1936 | Box 125 \ 1 scan0320 | |
| Request for a report on the satisfactory features of a Cadillac car before its disposal. | 12th Jan 1937 | Box 125 \ 1 scan0321 | |
| Recommending the scrapping of Cadillac gears for the Phantom III gearbox after testing. | 12th Jan 1937 | Box 125 \ 1 scan0322 | |
| Requesting the re-examination of a Cadillac car's radiator, cylinder heads, and oil pump. | 15th Jan 1937 | Box 125 \ 1 scan0323 | |
| The disposal of a Cadillac car and a request for feature reports. | 14th Jan 1937 | Box 125 \ 1 scan0324 | |
| Assembly and dispatch of a Cadillac car to Lillie Hall. | 21th Jan 1937 | Box 125 \ 1 scan0325 | |
| Authorising the disposal of a Cadillac car and its despatch to Lillie Hall. | 19th Jan 1937 | Box 125 \ 1 scan0326 | |
| The dismantling and examination of parts from a Cadillac before disposal. | 27th Jan 1937 | Box 125 \ 1 scan0327 | |
| Query about the non-arrival of a Cadillac car at Lillie Hall. | 24th Feb 1937 | Box 125 \ 1 scan0328 | |
| Cadillac car being sent to Lillie Hall to address a top over-oiling issue with the valve gear. | 25th Feb 1937 | Box 125 \ 1 scan0329 | |
| Delay in sending a Cadillac car due to work on the valve gear. | 26th Feb 1937 | Box 125 \ 1 scan0330 | |
| Recommending brake service for a Cadillac car before use. | 27th Feb 1937 | Box 125 \ 1 scan0331 | |
| Short memo acknowledging a report on the condition of a Cadillac car's brakes. | 1st Mar 1937 | Box 125 \ 1 scan0332 | |
| The disposal of a Cadillac at Lillie Hall. | 4th Mar 1937 | Box 125 \ 1 scan0333 | |
| Weight breakdown of various Cadillac components for different wheelbase and engine configurations. | 8th Jun 1937 | Box 125 \ 1 scan0334 | |
| Weight comparison sheet for various vehicle components across three different wheelbase models. | 8th Jun 1937 | Box 125 \ 1 scan0335 | |
| Comparative table of numerical data for engine and electrical components across different vehicle specifications. | 9th Jun 1937 | Box 125 \ 1 scan0336 | |
| Request for spare wheel covers for a Six Cylinder Cadillac to be despatched to Lillie Hall. | 9th Jun 1937 | Box 125 \ 1 scan0337 | |
| Lack of spare wheel covers for a Cadillac Sixteen. | 11th Jun 1937 | Box 125 \ 1 scan0338 | |
| Inquiry to Messrs Lendrum & Hartman for the price and availability of parts for a 37-60 Cadillac chassis. | 9th Aug 1937 | Box 125 \ 1 scan0339 | |
| List of notable points observed on a 1937 La Salle Cadillac. | 9th Aug 1937 | Box 125 \ 1 scan0340 | |
| Letter from Lendrum & Hartman Ltd. regarding an enquiry for 1937 Cadillac replacement parts. | 10th Aug 1937 | Box 125 \ 1 scan0341 | |
| Letter responding to a quotation for rear axle parts to suit a Cadillac type 60 chassis. | 11th Aug 1937 | Box 125 \ 1 scan0342 | |
| Letter from a concessionaire regarding the availability and pricing of spare parts for a Cadillac car. | 12th Aug 1937 | Box 125 \ 1 scan0343 | |
| Requesting to obtain Cadillac '60' rear axle parts for testing purposes. | 19th Aug 1937 | Box 125 \ 1 scan0344 | |
| Letter to Lendrum & Hartman Ltd. regarding an order for axle parts and the requirement for a specific adjusting shim. | 19th Aug 1937 | Box 125 \ 1 scan0345 | |
| Requesting an analysis and testing of a Cadillac 60 rear axle. | 6th Sep 1937 | Box 125 \ 1 scan0346 | |
| Request to send a covering order to Lendrum and Hartman for a Cadillac '60' wheel and wheel nuts. | 1st Oct 1937 | Box 125 \ 1 scan0347 | |
| Letter to Lendrum & Hartman Ltd. concerning issues with a Cadillac 37/60 axle and a request for parts. | 1st Oct 1937 | Box 125 \ 1 scan0348 | |
| Letter from Lendrum & Hartman Ltd concerning a spare part request for a 1937 Cadillac rear axle bearing washer. | 5th Oct 1937 | Box 125 \ 1 scan0349 | |
| Letter from Lendrum & Hartman Ltd. regarding their inability to fulfill an order for a Cadillac wheel without further details. | 6th Oct 1937 | Box 125 \ 1 scan0350 | |
| Letter to a supplier regarding the fitment of an ordered Cadillac wheel for a type 60 chassis. | 7th Oct 1937 | Box 125 \ 1 scan0351 | |
| Letter from Lendrum & Hartman Ltd requesting the Style Number and Job Number for a Cadillac Car wheel. | 8th Oct 1937 | Box 125 \ 1 scan0352 | |
| Letter to Lendrum & Hartman Ltd. regarding a request for a Cadillac wheel for axle design analysis. | 11th Oct 1937 | Box 125 \ 1 scan0353 | |
| Order for a 'Cadillac' 60' Wheel and nut, and the subsequent delay. | 22th Oct 1937 | Box 125 \ 1 scan0354 | |
| Requirement to order a Cadillac 60 wheel from America. | 25th Oct 1937 | Box 125 \ 1 scan0355 | |
| The procurement of a Cadillac 60 rear wheel bearing from Lendrum & Hartman. | 25th Feb 1938 | Box 125 \ 1 scan0356 | |
| Failure location and test parameters for a Cadillac rear axle shaft, with a comparison to a Singer XI rear axle. | 14th Apr 1938 | Box 125 \ 1 scan0357 | |
| Photograph of a machined metal shaft with a keyway and threaded end. | 14th Apr 1938 | Box 125 \ 1 scan0358 | |
| Test parameters for a Cadillac rear axle shaft. | 14th Apr 1938 | Box 125 \ 1 scan0359 | |
| Close-up photograph of a machined and threaded metal shaft showing markings and wear. | 14th Apr 1938 | Box 125 \ 1 scan0360 | |
| Cover page for a report on a Singer XI rear axle shaft after 3000 miles. | 14th Apr 1938 | Box 125 \ 1 scan0361 | |
| Photograph of a machined metal shaft with a threaded end. | 14th Apr 1938 | Box 125 \ 1 scan0362 | |
| Load testing parameters for a Cadillac rear axle shaft. | 14th Apr 1938 | Box 125 \ 1 scan0363 | |
| Photograph of a threaded metal shaft component. | 14th Apr 1938 | Box 125 \ 1 scan0364 | |
| Title page concerning a Singer XI rear axle shaft after 3000 miles. | 22th Jul 1938 | Box 125 \ 1 scan0365 | |
| Letter to the Cadillac Motor Car Company requesting photographs of new coachwork and inquiring about V.8 flexible flywheel production. | 22th Jul 1938 | Box 125 \ 1 scan0366 | |
| Request for technical specifications of Chrysler Six models for a performance comparison against the 20 HP car. | 24th Sep 1926 | Box 125 \ 2 scan0001 | |
| Comparison of specifications for three Chrysler models and a 20 HP car. | 6th Oct 1926 | Box 125 \ 2 scan0002 | |
| Chrysler car with a 6:1 compression ratio and a new T.E.L. fuel being developed by the Anglo American Company. | 2nd Dec 1927 | Box 125 \ 2 scan0003 | |
| Short typed memo regarding a Chrysler car and engine development concerning 'dope fuel'. | 5th Dec 1927 | Box 125 \ 2 scan0004 | |
| Issues with production crankshaft dampers, customer complaints of a 'galloping' knock, and alternatives including woven cotton and Chrysler's designs. | 14th Jan 1928 | Box 125 \ 2 scan0005 | |
| Over-run vibration on a 20 HP flywheel and considering rubber engine mounts as a solution. | 3rd May 1928 | Box 125 \ 2 scan0006 | |
| Technical analysis of a Chrysler Red Head 72 car, focusing on its weight, gear ratio, and engine performance. | 10th May 1928 | Box 125 \ 2 scan0007 | |
| Car performance, including acceleration, hill climb times, and maximum speed comparisons. | 10th May 1928 | Box 125 \ 2 scan0008 | |
| Performance review of a Chrysler car, detailing its steering, suspension, brakes, carburation, and overall driving impressions. | 10th May 1928 | Box 125 \ 2 scan0009 | |
| Report page discussing car weight, chassis, engine appendages, and body features. | 20th Sep 1928 | Box 125 \ 2 scan0010 | |
| Performance comparison memo detailing the acceleration, speed, and handling of Mr. Royce's 20 HP car against competitor models from Buick and Chrysler. | 20th Sep 1928 | Box 125 \ 2 scan0011 | |
| Issues with sticking 20 HP valve inlets and performance data for Phantom power curves. | 17th Oct 1928 | Box 125 \ 2 scan0012 | |
| Report page discussing compression ratios, piston rings, and experiments to mitigate torque reaction and vibration. | 17th Oct 1928 | Box 125 \ 2 scan0013 | |
| Continued memo discussing couplings and Chrysler spring drive details. | 5th Nov 1928 | Box 125 \ 2 scan0014 | |
| Performance of a 20 HP car, comparing it to a Chrysler and outlining potential improvements. | 5th Nov 1928 | Box 125 \ 2 scan0015 | |
| Purchase of a Chrysler-72 car for investigation. | 17th Dec 1928 | Box 125 \ 2 scan0016 | |
| Arrangement for a trial run on a competitor's car, a high compression Chrysler 72 Redhead or Silver Dome. | 18th Dec 1928 | Box 125 \ 2 scan0017 | |
| Arranging a viewing and test drive of a Chrysler car prior to its purchase. | 18th Dec 1928 | Box 125 \ 2 scan0018 | |
| Missing tool kit for a delivered Chrysler car. | 1st Jan 1929 | Box 125 \ 2 scan0019 | |
| Request for proof of purchase for a Chrysler car for the local Taxation Department in Derby. | 3rd Jan 1929 | Box 125 \ 2 scan0020 | |
| Typed memo regarding the shipment of tools for a Chrysler to Derby. | 7th Jan 1929 | Box 125 \ 2 scan0021 | |
| Confirming the receipt of tools for a Chrysler at the Works. | 8th Jan 1929 | Box 125 \ 2 scan0022 | |
| Attached report on the Chrysler electrical system. | 15th Jan 1929 | Box 125 \ 2 scan0023 | |
| Description of the Chrysler electrical system and its components. | 14th Jan 1929 | Box 125 \ 2 scan0024 | |
| Page detailing the coil, contact breaker, distributor, lights, and current limiters. | 14th Jan 1929 | Box 125 \ 2 scan0025 | |
| The weight breakdown of a '75 Chrysler vehicle. | 7th Jan 1929 | Box 125 \ 2 scan0026 | |
| Comparing the engine mounting systems of the SS chassis and a Chrysler car, and detailing experiments with different suspension configurations. | 7th Jan 1929 | Box 125 \ 2 scan0027 | |
| Continued technical discussion on engine mounting systems and chassis steadiness. | 2nd Feb 1929 | Box 125 \ 2 scan0028 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on a Chrysler Saloon, registration RA.7375. | 2nd Feb 1929 | Box 125 \ 2 scan0029 | |
| Comparing the road performance of the improved 20 HP car against the standard model and a competing Chrysler car. | 2nd Apr 1929 | Box 125 \ 2 scan0030 | |
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