Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
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Payment remittance and a request cabled to Inskip for steamer shipment details for a Cadillac 16.28th Jun 1934Box 125 \ 1  scan0096
Spectre engine's compression ratios and timing in comparison to Cadillac and Bentley engines.29th Jun 1934Box 125 \ 1  scan0097
Cable received about a delayed shipment of a Cadillac 16 due to complications with paperwork.2nd Jul 1934Box 125 \ 1  scan0098
Importing a Cadillac, difficulties avoiding import duty, and arrangements for its shipment and collection.13th Jul 1934Box 125 \ 1  scan0099
The permanent importation of a Cadillac and maintaining goodwill with the agents, Lendrum & Hartman.14th Jul 1934Box 125 \ 1  scan0100
Arrival of a Cadillac in London and arrangements for its collection.23th Jul 1934Box 125 \ 1  scan0101
Testing, inspection, and weighing of a 16-cylinder Cadillac.30th Jul 1934Box 125 \ 1  scan0102
Weight measurements and performance test results for a Cadillac '16'.1st Aug 1934Box 125 \ 1  scan0103
Inspection of a 16-cylinder Cadillac to understand its body construction and weight.1st Aug 1934Box 125 \ 1  scan0104
Reviewing the performance and features of a 16-cylinder Cadillac.1st Aug 1934Box 125 \ 1  scan0105
Letter from Hoopers about a Cadillac, ventilation, and a request for coachwork weight.21th Aug 1934Box 125 \ 1  scan0106
Technical report from coachbuilder Hooper & Co. comparing a 16-cylinder Cadillac car body to British construction methods.13th Aug 1934Box 125 \ 1  scan0107
Critique of various car features including hub caps, internal telephone, seating, blinds, and ventilators.13th Aug 1934Box 125 \ 1  scan0108
Assessment of a car's bodywork and interior features, including ventilation, styling, and fittings.13th Aug 1934Box 125 \ 1  scan0109
Letter comparing the bodywork, panel work, and interior fittings of a car against other models, and requesting weight information.28th Aug 1934Box 125 \ 1  scan0110
Letter to Cadillac comparing their car's performance with the Phantom II, discussing various technical aspects.28th Aug 1934Box 125 \ 1  scan0111
Vehicle performance, comparing acceleration to the Phantom and cornering to a Cadillac.28th Aug 1934Box 125 \ 1  scan0112
Letter to Lendrum & Hartman Ltd. regarding the improved ride of a Buick and the future availability of a Cadillac 16 for testing.28th Aug 1934Box 125 \ 1  scan0113
Comparison of ground clearance measurements for a Spectre vehicle against an Essex 6 and a Cadillac.12th Sep 1934Box 125 \ 1  scan0114
Ground clearance specifications for the Spectre model.13th Sep 1934Box 125 \ 1  scan0115
The release of a box of parts for a Cadillac car from Customs.18th Sep 1934Box 125 \ 1  scan0116
Feedback on a Cadillac test drive, focusing on suspension and steering, and requesting an inspection of its induction pipe and carburetter.1st Oct 1934Box 125 \ 1  scan0117
Request to order four Dunlop inner tubes for use on a Cadillac car.6th Oct 1934Box 125 \ 1  scan0118
Test report on the frame distortion of a 16 V. Cadillac.25th Oct 1934Box 125 \ 1  scan0119
Comparative table of ground clearance measurements for various car models.29th Oct 1934Box 125 \ 1  scan0120
The design, manufacturing, and assembly of Cadillac hydraulic lash adjusters.29th Oct 1934Box 125 \ 1  scan0121
Manufacturing and design difficulties with lash adjusters and associated components.29th Oct 1934Box 125 \ 1  scan0122
Design notes on rocker arm assembly components, including clearances, materials, and part-specific considerations.29th Oct 1934Box 125 \ 1  scan0123
General comments regarding lash adjuster parts, lubrication, and cam contour design.21th Nov 1934Box 125 \ 1  scan0124
Cablegram from Olley to W.A. Robotham regarding a helix angle specification.21th Nov 1934Box 125 \ 1  scan0125
Telegram received about the helix angle on Cadillac steering.22th Nov 1934Box 125 \ 1  scan0126
Comparing steering ratios and design parameters with Cadillac's system, specifically regarding the La Salle column fitted to the Spectre.23th Nov 1934Box 125 \ 1  scan0127
The supply of alternative springs and replacement parts for a Cadillac.31th Dec 1934Box 125 \ 1  scan0128
Comparative road tests in France between a 20/25 R-R and a Cadillac.14th Jan 1935Box 125 \ 1  scan0129
Comparison of chassis and steering with a Cadillac, a Bentley drive report, and an observation on French headlamps.14th Jan 1935Box 125 \ 1  scan0130
Results of tests in France on a Cadillac and a 21-G-4, and arranging meetings with coachbuilders.18th Jan 1935Box 125 \ 1  scan0131
On Hotel De France letterhead regarding arrangements for a garage ticket in Boulogne for car 21 G IV.18th Jan 1935Box 125 \ 1  scan0132
Requesting arrangements for the technical inspection of a Cadillac's body and chassis upon its return from France.18th Jan 1935Box 125 \ 1  scan0133
Arrangements for coachbuilders to examine the bodywork of car 21-G-4 after tests in France.18th Jan 1935Box 125 \ 1  scan0134
Tests in France on Cadillac & 21-G-IV cars by London Coachbuilders.19th Jan 1935Box 125 \ 1  scan0135
Attendance at the Coachbuilders dinner and coordinating related car movements.21th Jan 1935Box 125 \ 1  scan0136
Results and plans for testing a Cadillac in France, comparing its coachwork to their own and detailing responsibilities for 'Spectre' bodies.21th Jan 1935Box 125 \ 1  scan0137
Telegram received by telephone confirming a car's safe arrival in Boulogne.21th Jan 1935Box 125 \ 1  scan0138
Tests in France on a Cadillac and a 21-G-4 by London Coachbuilders.21th Jan 1935Box 125 \ 1  scan0139
Secret internal memo discussing the plan to dismantle and examine the coachwork of a Cadillac for comparison purposes.24th Jan 1935Box 125 \ 1  scan0140
Secret memorandum detailing the plan to strip and examine a Cadillac's coachwork.25th Jan 1935Box 125 \ 1  scan0141
Note about handing over responsibility for the Spectre Coachwork.25th Jan 1935Box 125 \ 1  scan0142
Learnings from tests on a Cadillac and clarifying the coachwork for two 'Spectre' model bodies.23th Jan 1935Box 125 \ 1  scan0143
Responsibilities of coachbuilders and the building of experimental car bodies.28th Jan 1935Box 125 \ 1  scan0144
Arranging the examination of Cadillac coachwork and coordinating the movement of experimental cars.28th Jan 1935Box 125 \ 1  scan0145
Comparative road test in France between a 16-cylinder Cadillac and a 20/25 HP sports saloon.28th Jan 1935Box 125 \ 1  scan0146
Report comparing the body noises and performance of a Cadillac versus a Rolls-Royce car during a test drive in France.28th Jan 1935Box 125 \ 1  scan0147
Report comparing Cadillac and French car bodies with Rolls-Royce bodies, noting defects and areas for improvement in coachbuilding.28th Jan 1935Box 125 \ 1  scan0148
Comparative analysis of door hinges, wing design, and wheel accessibility between a Rolls-Royce 21-G-IV and a Cadillac.28th Jan 1935Box 125 \ 1  scan0149
Dismantling a Cadillac for coachwork examination and arranging other vehicle tests.29th Jan 1935Box 125 \ 1  scan0150
Comparing the trial performance of a Cadillac and a 21-G-IV model in France, focusing on comfort, engine, and steering.29th Jan 1935Box 125 \ 1  scan0151
Letter from coachbuilders Park Ward & Co. Ltd. to Mr. Robotham regarding a report on a visit to France.30th Jan 1935Box 125 \ 1  scan0152
Technical explanation on the causes of troubles in coachwork due to body settling and chassis twist.23th Jan 1935Box 125 \ 1  scan0153
Comparison of American and English chassis manufacturing, focusing on rigidity and its impact on bodywork.23th Jan 1935Box 125 \ 1  scan0154
The construction of bodies and deflection of a Bentley chassis dash.28th Jan 1935Box 125 \ 1  scan0155
The findings from a test drive of a 58-HP Cadillac and a 20/25 Hooper body.28th Jan 1935Box 125 \ 1  scan0156
Various bodywork issues such as rattles, squeaks, structural weaknesses, and ventilation problems.28th Jan 1935Box 125 \ 1  scan0157
Observations on car design features and performance issues, including a Cadillac 58-HP.28th Jan 1935Box 125 \ 1  scan0158
Report page detailing the body construction, interior features, and comfort of a vehicle, with comparisons to other models.28th Jan 1935Box 125 \ 1  scan0159
Page discussing chassis strengthening points, length, and body superiority.29th Jan 1935Box 125 \ 1  scan0160
Visits to French coachbuilders detailing observations on body construction, materials, and components.29th Jan 1935Box 125 \ 1  scan0161
Visits to coachbuilders Binder's and Kelners, with observations on their construction methods and a test run of a Peugot.29th Jan 1935Box 125 \ 1  scan0162
Report from Park Ward & Co. Ltd. detailing observations from a vehicle test drive.30th Jan 1935Box 125 \ 1  scan0163
Letter comparing a 25-HP car with a Hooper Body to a Cadillac, noting differences in brakes, weight, and chassis flexibility.30th Jan 1935Box 125 \ 1  scan0164
Comparative analysis of the chassis rigidity and bodywork between a Cadillac and a Rolls-Royce.30th Jan 1935Box 125 \ 1  scan0165
Letter from Park Ward & Co. Ltd. discussing alterations to a special Bentley body and suggesting building a new body on an American chassis.30th Jan 1935Box 125 \ 1  scan0166
Comparing English and French coachbuilding techniques, specifically regarding joint construction and the 'Silent Travel' principle.30th Jan 1935Box 125 \ 1  scan0167
Page two of a letter from Park Ward & Co. Ltd. regarding a blueprint notification for coachbuilders.2nd Feb 1935Box 125 \ 1  scan0168
Letter to coachbuilder Park Ward discussing chassis stiffness, rigidity, and steel panelling.2nd Feb 1935Box 125 \ 1  scan0169
Arranging a viewing of a Cadillac body before it is stripped.5th Oct 1935Box 125 \ 1  scan0170
Visit to Park Wards to check on coachwork, chassis progress, and an experimental body.6th Feb 1935Box 125 \ 1  scan0171
Development of steering suspension and comparing Cadillac's steering gear with a Marles type for the Spectre.6th Feb 1935Box 125 \ 1  scan0172
Suspension and steering linkage development, comparing different designs including those from Mercedes Benz and Cadillac.6th Feb 1935Box 125 \ 1  scan0173
The design of a proprietary steering box compared to developments by the Marles Co. and in the U.S.A.6th Feb 1935Box 125 \ 1  scan0174
Comparing a Cadillac chassis with an RR chassis, noting frame rigidity and the petrol filler.11th Feb 1935Box 125 \ 1  scan0175
Letter from coachbuilder Park, Ward & Co proposing a joint experiment on chassis rigidity and body construction.11th Feb 1935Box 125 \ 1  scan0176
Letter from Park Ward & Co. Ltd. proposing to build a light body on an American chassis for testing and offering to contribute to the cost.11th Feb 1935Box 125 \ 1  scan0177
Graph comparing the Brake Mean Effective Pressure curves for Cadillac and Rolls-Royce products.13th Feb 1935Box 125 \ 1  scan0178
Requesting a detailed examination and documentation of a Cadillac body's construction.13th Feb 1935Box 125 \ 1  scan0179
Internal report on the examination of a Cadillac body, comparing its weight and construction to their own.13th Feb 1935Box 125 \ 1  scan0180
Comparison of Cadillac and Rolls Royce vehicles focusing on weights, chassis, frame, and body brackets.12th Feb 1935Box 125 \ 1  scan0181
Technical description of vehicle body and chassis components including brackets, dash, body, and exhaust.12th Feb 1935Box 125 \ 1  scan0182
Findings on a vehicle's exhaust, petrol tank, battery, and engine, with coachbuilders' comparisons of a Cadillac to a 40/50 HP chassis.14th Feb 1935Box 125 \ 1  scan0183
Letter to Messrs. Park, Ward & Co. Ltd. acknowledging receipt of their suggestions.14th Feb 1935Box 125 \ 1  scan0184
Critique of a report comparing a Cadillac body to Rolls Royce bodies, highlighting omissions and key differences.15th Feb 1935Box 125 \ 1  scan0185
The sheet metal construction used by Cadillac, followed by a complaint about a delayed report.15th Feb 1935Box 125 \ 1  scan0186
The Cadillac body, discussing its rigidity, weight, and suitability for production.27th Mar 1935Box 125 \ 1  scan0187
Preliminary notes comparing the weights and chassis of Cadillac and Rolls-Royce vehicles.21th Feb 1935Box 125 \ 1  scan0188
Continued report on chassis and body construction details.21th Feb 1935Box 125 \ 1  scan0189
Assessment of vehicle components and a comparison with a competing manufacturer's chassis.21th Feb 1935Box 125 \ 1  scan0190
Notes on the details of interest observed from a dismantled American body.21th Feb 1935Box 125 \ 1  scan0191
Schedule of weights comparing a 16-cylinder Cadillac with a Long 40/50 HP car of the same body type.21th Feb 1935Box 125 \ 1  scan0192
The enclosed limousine body of a 16-cylinder Cadillac.21th Feb 1935Box 125 \ 1  scan0193
Report page detailing the construction of the vehicle's doors, roof, and floor.21th Feb 1935Box 125 \ 1  scan0194
Construction of a vehicle's bodywork, including the wheel arches, wings, and mounting.21th Feb 1935Box 125 \ 1  scan0195


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