| Description | Date | Identifier | |
| Technical specification sheet detailing the mounting, windows, seating, and radio set of a vehicle body. | 21th Feb 1935 | Box 125 \ 1 scan0196 | |
| Notes on vehicle body and interior construction, materials, and features, including rust issues. | 21th Feb 1935 | Box 125 \ 1 scan0197 | |
| Notes on car body construction, component design, and assembly details. | 21th Feb 1935 | Box 125 \ 1 scan0198 | |
| Visit and analysis of a Cadillac car body. | 1st Mar 1935 | Box 125 \ 1 scan0199 | |
| Page 2 of a report discussing the construction methods of a Cadillac body, considering similar techniques for future designs. | 5th Mar 1935 | Box 125 \ 1 scan0200 | |
| Chassis stiffness and construction of a Cadillac body. | 5th Mar 1935 | Box 125 \ 1 scan0201 | |
| 14,000-mile report on a Cadillac detailing its performance under severe road and weather conditions. | 5th Mar 1935 | Box 125 \ 1 scan0202 | |
| Engine failures, cold starting issues, misfiring, and design for maintenance. | 5th Mar 1935 | Box 125 \ 1 scan0203 | |
| Engine component accessibility, mounting, and performance, including the exhaust system. | 5th Mar 1935 | Box 125 \ 1 scan0204 | |
| Performance evaluation of the exhaust, clutch, steering, and gearbox systems of a vehicle. | 5th Mar 1935 | Box 125 \ 1 scan0205 | |
| Issues found with the petrol, carburettor, and cooling systems during testing. | 5th Mar 1935 | Box 125 \ 1 scan0206 | |
| Technical report detailing issues with brakes, and observations on the controlled dampers and rear axle. | 5th Mar 1935 | Box 125 \ 1 scan0207 | |
| The performance of a vehicle's propeller shaft, chassis lubrication, electrical system, starter motor, and ignition. | 5th Mar 1935 | Box 125 \ 1 scan0208 | |
| The 6-volt battery location, car weight, and tyre mileage. | 5th Feb 1935 | Box 125 \ 1 scan0209 | |
| Stiffness of an all-steel Cadillac body and proposing an experiment to strengthen their own coachwork. | 6th Mar 1935 | Box 125 \ 1 scan0210 | |
| Requesting inspection and assessment of wear on parts from a stripped Cadillac. | 8th Mar 1935 | Box 125 \ 1 scan0211 | |
| Technical memorandum discussing the design and characteristics of a Cadillac Camshaft. | 9th Mar 1935 | Box 125 \ 1 scan0212 | |
| Valve lift diagram for a Cadillac V16 engine, showing lift, velocity, and acceleration curves. | 8th Mar 1935 | Box 125 \ 1 scan0213 | |
| The strip condition of a Cadillac, detailing wear on the chain drive, pistons, connecting rods, and valves. | 13th Mar 1935 | Box 125 \ 1 scan0214 | |
| Laboratory report on the examination of anodically oxidised aluminium pistons from a Cadillac car after 20,000 miles. | 12th Mar 1935 | Box 125 \ 1 scan0215 | |
| Request for various components and technical information from a stripped Cadillac for analysis. | 15th Mar 1935 | Box 125 \ 1 scan0216 | |
| Experimental department report on the Cadillac 16 Gearbox. | 8th Mar 1935 | Box 125 \ 1 scan0217 | |
| The dismantling and examination of a Cadillac 16 Gear Box after an 18,000-mile test. | 15th Mar 1935 | Box 125 \ 1 scan0218 | |
| Comparative analysis of a Cadillac gearbox, focusing on its silent operation, materials, bearings, and gear bedding. | 15th Mar 1935 | Box 125 \ 1 scan0219 | |
| Summary of features affecting gearbox silence, comparing American (Cadillac) and R.R. designs. | 15th Mar 1935 | Box 125 \ 1 scan0220 | |
| Agreement to test gears incorporating features B, 3, 4, 5 & 6 in the Spectre gearbox. | 15th May 1935 | Box 125 \ 1 scan0221 | |
| Breakdown of the component weights of a Cadillac Gear Box and comparison with a Spectre box. | 18th Mar 1935 | Box 125 \ 1 scan0222 | |
| Photograph of a helical gear component. | 26th Feb 1936 | Box 125 \ 1 scan0223 | |
| Blueprint showing the cross-section of a Cadillac 16 gearbox. | 26th Feb 1936 | Box 125 \ 1 scan0224 | |
| Arrangement of a Cadillac 16' gearbox. | 14th Mar 1935 | Box 125 \ 1 scan0225 | |
| Cadillac frame distortion measurements under various loads. | 23th Mar 1935 | Box 125 \ 1 scan0226 | |
| Comparative analysis of petrol tank weights for various cars, showing pounds per gallon. | 25th Mar 1935 | Box 125 \ 1 scan0227 | |
| Visit from Mr. Jackman of the Rover Car Shop to inspect a Cadillac body. | 2nd Apr 1935 | Box 125 \ 1 scan0228 | |
| Cover note sending requested weights, photographs, and sketches concerning a Cadillac. | 3rd Apr 1935 | Box 125 \ 1 scan0229 | |
| Photograph showing the internal components of a drum brake assembly. | 29th Mar 1935 | Box 125 \ 1 scan0231 | |
| Blueprint of a crankshaft damper for a V16 Cadillac. | 29th Mar 1935 | Box 125 \ 1 scan0232 | |
| List of component weights for a Cadillac V16 power unit. | 2nd Apr 1935 | Box 125 \ 1 scan0233 | |
| List of component weights for a Cadillac V.16 engine, sheet 2. | 2nd Apr 1935 | Box 125 \ 1 scan0234 | |
| List of component weights for a Cadillac V16, including transmission, suspension, and axle parts. | 3rd Apr 1935 | Box 125 \ 1 scan0235 | |
| Test report on Cadillac frame distortion under varying loads. | 5th Apr 1935 | Box 125 \ 1 scan0236 | |
| The strip condition of a Cadillac engine unit after 20,000 miles. | 5th Apr 1935 | Box 125 \ 1 scan0237 | |
| Inspection report detailing wear on the timing chain and front wheel suspension components. | 5th Apr 1935 | Box 125 \ 1 scan0238 | |
| The condition of the rear road springs and bushings on a chassis. | 5th Apr 1935 | Box 125 \ 1 scan0239 | |
| Drawing illustrating the condition of Cadillac exhaust valves after 10,000 miles of trials in France. | 12th Mar 1935 | Box 125 \ 1 scan0240 | |
| Table of measurements for a Cadillac 5-bearing crankshaft and bearing clearances after a 10,000-mile test in France. | 12th Mar 1935 | Box 125 \ 1 scan0241 | |
| Measurement data for Cadillac V16 pistons after 10,000-mile trials in France. | 21th Mar 1935 | Box 125 \ 1 scan0242 | |
| Cylinder dimension measurements from a Cadillac V16 engine after 10,000 miles of trials in France. | 2nd Mar 1938 | Box 125 \ 1 scan0243 | |
| Hardness test results for Cadillac V16 tappet rollers and camshafts after 10,000 miles trials in France. | 22th Mar 1935 | Box 125 \ 1 scan0244 | |
| Information exchange on Cadillac and Terraplane engines. | 6th Apr 1935 | Box 125 \ 1 scan0245 | |
| Request to arrange the procurement of replacement parts for a Cadillac car. | 6th Apr 1935 | Box 125 \ 1 scan0246 | |
| Obtaining replacements for a Cadillac. | 5th Apr 1935 | Box 125 \ 1 scan0247 | |
| List of required replacement parts for a 16-cylinder Cadillac chassis type 355-D Fleetwood. | 2nd Apr 1935 | Box 125 \ 1 scan0248 | |
| Letter to Cadillac detailing issues found during the teardown analysis of one of their cars after a test run in France. | 8th Apr 1935 | Box 125 \ 1 scan0249 | |
| Page 2 of a typed letter discussing vehicle condition, requesting information, and commenting on business prosperity. | 8th Apr 1935 | Box 125 \ 1 scan0250 | |
| Receipt of information regarding Cadillac and Terraplane engines. | 9th Apr 1935 | Box 125 \ 1 scan0251 | |
| Internal memorandum comparing cylinder wear figures from a Cadillac report to internal averages. | 8th Apr 1935 | Box 125 \ 1 scan0252 | |
| Specification sheet detailing particulars for a Cadillac. | 7th Nov 1934 | Box 125 \ 1 scan0253 | |
| Letter from Lendrum & Hartman Ltd. regarding a delay in supplying parts for a Cadillac car. | 12th Apr 1935 | Box 125 \ 1 scan0254 | |
| Letter from Cadillac Motor Car Company discussing transmission gear design for silence. | 17th Apr 1935 | Box 125 \ 1 scan0255 | |
| Processing of LaSalle Transmission gears. | 17th Apr 1935 | Box 125 \ 1 scan0256 | |
| Performance of gear lapping systems and methods for producing quiet transmission gears. | 2nd Apr 1935 | Box 125 \ 1 scan0257 | |
| Letter from the Cadillac Motor Car Company describing their production methods for transmission gears. | 2nd Apr 1935 | Box 125 \ 1 scan0258 | |
| Gear tooth lapping operations, pressure angles, and contact, with a comparison to Cadillac and LaSalle transmission practices. | 1st Aug 1938 | Box 125 \ 1 scan0259 | |
| Drawing showing modifications to main shaft and counter shaft helical gear teeth contacts. | 1st Aug 1938 | Box 125 \ 1 scan0260 | |
| Accompanying a photograph of a Cadillac frame, scaled to one-twelfth full size. | 27th Apr 1935 | Box 125 \ 1 scan0261 | |
| Blueprint of a Cadillac V16 cylinder head face layout. | 26th Apr 1935 | Box 125 \ 1 scan0262 | |
| Inquiring about the availability of a Cadillac chassis needed for comparison with the Spectre model. | 9th May 1935 | Box 125 \ 1 scan0263 | |
| Cadillac, requesting a reply to a previous communication. | 16th May 1935 | Box 125 \ 1 scan0264 | |
| Getting the weight of Cadillac and Phantom II body shells. | 17th May 1935 | Box 125 \ 1 scan0265 | |
| The rebuilding of a Cadillac and the arrival of parts from America. | 20th May 1935 | Box 125 \ 1 scan0266 | |
| Comparison of the weights of a Cadillac shell and a Hooper enclosed drive limousine shell. | 23th May 1935 | Box 125 \ 1 scan0267 | |
| The chassis for a 16-cylinder Cadillac, which is needed to have the body remounted. | 27th May 1935 | Box 125 \ 1 scan0268 | |
| Dispatch of a 16-Cylinder Cadillac chassis. | 28th May 1935 | Box 125 \ 1 scan0269 | |
| Request to arrange for the despatch of a Cadillac Chassis to Lillie Hall by train. | 28th May 1935 | Box 125 \ 1 scan0270 | |
| Investigation and comparison of different model frame crosses. | 1st Jun 1936 | Box 125 \ 1 scan0271 | |
| Blueprint showing four different designs for a model frame crosser. | 5th Jun 1935 | Box 125 \ 1 scan0272 | |
| Requesting the return of a petrol filler extension for a Cadillac chassis. | 5th Jun 1935 | Box 125 \ 1 scan0273 | |
| Note about the dispatch of a Cadillac petrol filler extension with a chassis. | 6th Jun 1935 | Box 125 \ 1 scan0274 | |
| Despatch of a Cadillac petrol filler extension. | 6th Jun 1935 | Box 125 \ 1 scan0275 | |
| Secret memo about arranging for a Cadillac to be taken to France for comparison and a potential trip to test the Spectre. | 13th Jun 1935 | Box 125 \ 1 scan0276 | |
| Chassis and body torsion test results for a steel-bodied Cadillac car. | 20th Sep 1935 | Box 125 \ 1 scan0277 | |
| Chassis and body torsion test results for a steel-bodied Cadillac car. | 20th Sep 1935 | Box 125 \ 1 scan0278 | |
| Request for an estimate to repair the brakes and gearbox on a Cadillac 16. | 27th Sep 1935 | Box 125 \ 1 scan0279 | |
| Letter from car concessionaire Lendrum & Hartman Ltd. concerning service queries for a 16-cylinder Cadillac. | 1st Oct 1935 | Box 125 \ 1 scan0280 | |
| Letter to Lendrum & Hartman Ltd. arranging for the servicing of a Cadillac car. | 25th Oct 1935 | Box 125 \ 1 scan0281 | |
| Confirmation of a Cadillac car repair booking, estimating a three-day completion time. | 26th Oct 1935 | Box 125 \ 1 scan0282 | |
| List of required repairs and issues for a Cadillac vehicle. | 28th Oct 1935 | Box 125 \ 1 scan0283 | |
| Letter from Lendrum & Hartman Ltd enclosing an estimate for repairs to a Cadillac Car V.16. | 31th Oct 1935 | Box 125 \ 1 scan0284 | |
| Estimate for extensive repairs on a Cadillac V16 vehicle, including engine, brake, and suspension work. | 31th Oct 1935 | Box 125 \ 1 scan0285 | |
| Research on frame stiffness requirements and comparing existing models with competitors. | 2nd Nov 1935 | Box 125 \ 1 scan0286 | |
| Table comparing the stiffness in lbs/ft./Degree for various car frames and complete cars. | 2nd Nov 1935 | Box 125 \ 1 scan0287 | |
| Requesting arrangements to be made for collecting a Cadillac. | 14th Nov 1935 | Box 125 \ 1 scan0288 | |
| Official order be passed to Messrs. Lendrum & Hartman for an attached invoice. | 22th Nov 1935 | Box 125 \ 1 scan0289 | |
| Laboratory report on the material analysis of a Cadillac Connecting Rod. | 2nd Dec 1935 | Box 125 \ 1 scan0290 | |
| Comparison of frame weights for a Cadillac, a Phantom II, and a Phantom III. | 10th Jan 1936 | Box 125 \ 1 scan0291 | |
| Test drive report and review of a V8 Cadillac 1936 Model. | 10th Jan 1936 | Box 125 \ 1 scan0292 | |
| Page two of a vehicle performance and feature assessment report. | 13th Jan 1936 | Box 125 \ 1 scan0293 | |
| Performance comparison between the 4¼ Litre Bentley and the Cadillac 8 Cylinder Vee. | 10th Aug 1936 | Box 125 \ 1 scan0294 | |
| Brief memo discussing an improvement in American performance after adding more weight. | 10th Aug 1936 | Box 125 \ 1 scan0295 | |
| Request to adapt a standard Phantom III fan to fit a Cadillac car hub. | 29th Sep 1936 | Box 125 \ 1 scan0296 | |
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