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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DescriptionDateIdentifier
Booklet for the Marles-Weller patent steering gear.12th Oct 1932Box 28 \ 2  Scan078
Letter to The Adamant Eng. Co. regarding a pendulum lever, a drawing, and the progress of a steering box.12th Oct 1932Box 28 \ 2  Scan079
Letter from Adamant Engineering Company regarding the receipt of drawing F.79770, the arrival of a drop arm stamping, and the delivery of steering gear.13th Oct 1932Box 28 \ 2  Scan080
Letter to Cam Gears Ltd enquiring about their Bishop steering gear for use on a Phantom II car.17th Oct 1932Box 28 \ 2  Scan081
Promotional letter from Burman & Sons Ltd. regarding their new Burman-Douglas steering gears.17th Oct 1932Box 28 \ 2  Scan082
Letter from Cam Gears Ltd. regarding an enquiry for Bishop Patent Steering Gear for the Phantom II Model.18th Oct 1932Box 28 \ 2  Scan083
Letter from Adamant Engineering Company regarding the despatch of a 'Q' type Marles-Weller Steering Gear.19th Oct 1932Box 28 \ 2  Scan084
Letter from Adamant Engineering Company regarding a manufacturing issue with a Marles-Weller Steering Gear drop arm.20th Oct 1932Box 28 \ 2  Scan085
Letter to Messrs Burman & Sons Ltd declining interest in their new Burman-Douglas Steering Gear.26th Oct 1932Box 28 \ 2  Scan086
Letter from Adamant Engineering Company regarding the supply of a second drop arm and following up on testing for the Marles-Weller Steering gear.5th Nov 1932Box 28 \ 2  Scan087
Letter to Adamant Engineering Co. Ltd. acknowledging receipt of a drop arm and advising of upcoming road tests.8th Nov 1932Box 28 \ 2  Scan088
Letter from CAM GEARS LTD. regarding their Bishop Patent Steering Gear, following up on previously sent information.10th Nov 1932Box 28 \ 2  Scan089
Letter from Adamant Engineering Company Limited acknowledging correspondence and discussing the road testing of a gear.12th Nov 1932Box 28 \ 2  Scan090
Letter to Cam Gears Ltd. regarding the testing of a Bishop steering system and requesting measured efficiency curve data.21th Nov 1932Box 28 \ 2  Scan091
Letter from Cam Gears Ltd. concerning the manufacture of a trial steering gear based on blueprints.22th Nov 1932Box 28 \ 2  Scan092
Letter from Cam Gears Ltd. regarding modifications to a steering gear box and efficiency tests of a Bishop gear.22th Nov 1932Box 28 \ 2  Scan093
Request for a support bracket and pendulum lever for a Bishop steering system being made for Bensport.24th Nov 1932Box 28 \ 2  Scan094
Letter to Cam Gears Ltd. regarding the supply of steering column drawings and parts.24th Nov 1932Box 28 \ 2  Scan095
Letter to Adamant Engineering providing feedback on road tests of their steering system, noting faults with the gear ratio and slack.28th Nov 1932Box 28 \ 2  Scan096
Bensport Steering system, requesting a dashboard bracket.29th Nov 1932Box 28 \ 2  Scan097
Letter from Adamant Engineering discussing the gear ratio and helix angle of a sample Marles-Weller steering gear.29th Nov 1932Box 28 \ 2  Scan098
Letter from Adamant Engineering Company regarding testing a car and the adoption of a steering system.29th Nov 1932Box 28 \ 2  Scan099
Copy of telegrams regarding a meeting to discuss steerings.29th Nov 1932Box 28 \ 2  Scan100
Letter from Adamant Engineering Company regarding a test and order for a Marles-Weller steering gear.1st Dec 1932Box 28 \ 2  Scan101
The testing, purchase, and re-ordering of a steering component from Adamant Engineering Co. Ltd.2nd Dec 1932Box 28 \ 2  Scan102
Letter to Adamant Engineering Co. Ltd. regarding the despatch of a pendulum lever for a steering box.12th Dec 1932Box 28 \ 2  Scan103
Letter to The Adamant Engineering Co. Ltd. regarding the machining of a drop arm and return of a steering gear.14th Dec 1932Box 28 \ 2  Scan104
Letter from Cam Gears Ltd. proposing new steering gear options and comparison tests.15th Dec 1932Box 28 \ 2  Scan105
Continuation sheet of a letter from Cam Gears Ltd. discussing efficiency curves and the Bishop Gear.15th Dec 1932Box 28 \ 2  Scan106
Graph plotting Reversibility % against Torque on Drop Arm for two different cam gear ratios.8th Dec 1932Box 28 \ 2  Scan107
Letter from Adamant Engineering Company acknowledging receipt of a drop arm and noting a discrepancy in its length before proceeding with machining.16th Dec 1932Box 28 \ 2  Scan108
Letter to Cam Gears Ltd. regarding the testing and supply of steering gear for a 20 HP model.16th Dec 1932Box 28 \ 2  Scan109
Letter from Cam Gears Ltd. explaining the testing methodology for their steering gear.20th Dec 1932Box 28 \ 2  Scan110
Continuation sheet from CAM GEARS LTD. comparing the benefits of their gear system against competitor gears.20th Dec 1932Box 28 \ 2  Scan111
Sketch showing the method of testing Bishop steering gear for reversibility.20th Dec 1932Box 28 \ 2  Scan112
Letter from Cam Gears Ltd. regarding a proposed Bishop Steering Gear replacement, blueprint SK 477, and necessary alterations.31th Dec 1932Box 28 \ 2  Scan113
Letter from Cam Gears Ltd. concerning the specifications of a stator tube for a central control unit.31th Dec 1932Box 28 \ 2  Scan114
Letter to Cam Gears Limited discussing blueprint specifications for a steering column.5th Jan 1933Box 28 \ 2  Scan115
Letter from Cam Gears Ltd. confirming dimensional changes to a steering column.6th Jan 1933Box 28 \ 2  Scan116
Letter to the Adamant Engineering Co. about steering endurance tests, invoice queries, and considering a new Marles Weller steering gear.16th Jan 1933Box 28 \ 2  Scan117
Letter from Adamant Engineering Company regarding the supply, testing, and cost of sample Marles-Weller steering gears.19th Jan 1933Box 28 \ 2  Scan118
Letter from Adamant Engineering Company regarding the correct size of steering gear and enclosed drawings.23th Jan 1933Box 28 \ 2  Scan119
Confirming a satisfactory explanation for queried invoices and authorizing them for payment.23th Jan 1933Box 28 \ 2  Scan120
Letter to The Adamant Eng. Co, Ltd regarding the suitability of their smaller gear for a car.30th Jan 1933Box 28 \ 2  Scan121
Blueprint graph showing the efficiency of a Marles Weller steering system for a Phantom II before and after a bumper test.31th Jan 1933Box 28 \ 2  Scan122
Page with a handwritten reference number and a company date stamp.8th Feb 1933Box 28 \ 2  Scan123
Follow-up letter from Adamant Engineering Company regarding drawings for J Type Steering Gear.30th Jan 1933Box 28 \ 2  Scan124
Letter from Adamant Engineering Company in response to a query about the suitability of a proposed gear.31th Jan 1933Box 28 \ 2  Scan125
Request to complete the machining on a steering bracket for Bensport and despatch the parts to Cam Gears Ltd, Luton.1st Feb 1933Box 28 \ 2  Scan126
Requesting to inspect and take dimensions of a Marle's Weller Steering box when it is pulled down.7th Feb 1933Box 28 \ 2  Scan127
Examination report on the condition of a Marles Steering Gear after being stripped from a chassis.2nd Mar 1933Box 28 \ 2  Scan128
Letter to The Adamant Eng. Co. regarding the failure of a steering hemisphere during an endurance test.4th Feb 1933Box 28 \ 2  Scan129
Letter from Adamant Engineering Company regarding a report on 'Q' type Marles-Weller Steering gear and a test on a Bumper machine.7th Feb 1933Box 28 \ 2  Scan130
Letter to The Adamant Eng. Co. regarding road testing their second steering gear and comparing bumping test results.8th Feb 1933Box 28 \ 2  Scan131
The concluding page of a letter addressed to Adamant Eng. Co.5th Feb 1936Box 28 \ 2  Scan132
Telegram chasing the despatch of a steering gear part.5th Feb 1936Box 28 \ 2  Scan133
Letter from Adamant Engineering Company regarding the urgent return of a steering gear for examination.10th Feb 1933Box 28 \ 2  Scan134
Postscript to a letter concerning a delay in the arrival of steering equipment.10th Feb 1933Box 28 \ 2  Scan135
Copy of a telegram sent from Adamant Engineering Company to Rolls-Royce regarding a non-arrived steering gear.10th Feb 1933Box 28 \ 2  Scan136
Letter to Cam Gears Ltd regarding a delay in sending parts and a request for two rocker shafts.10th Feb 1933Box 28 \ 2  Scan137
Letter to Adamant Engineering Co, Ltd, regarding a delay in despatching a steering component for examination.11th Feb 1933Box 28 \ 2  Scan138
Letter from Adamant Engineering Company regarding the return of a Steering Gear and Drop Arm.13th Feb 1933Box 28 \ 2  Scan139
Letter from CAM GEARS LTD regarding the supply of steering gear components including rocker shafts.15th Feb 1933Box 28 \ 2  Scan140
Request to send Bishop steering gear parts to Cam Gears Ltd, for the attention of Mr. Pentony.16th Feb 1933Box 28 \ 2  Scan141
Letter from Adamant Engineering Company regarding the examination and modification of a Marles-Weller Steering Gear.15th Feb 1933Box 28 \ 2  Scan142
The examination of a steering gear, detailing findings on bearings, shake, and a loose flange.15th Feb 1933Box 28 \ 2  Scan143
Concluding page of a letter from Adamant Engineering Company Limited.15th Feb 1933Box 28 \ 2  Scan144
Letter from Cam Gears Ltd. requesting a steering wheel to assist in machining a steering gear column.22th Feb 1933Box 28 \ 2  Scan145
Measurements of slack in a Marles Weller steering system over various time intervals.23th Feb 1933Box 28 \ 2  Scan146
Results of a 50-hour test on a Marles steering gear fitted to a Phantom II chassis.28th Feb 1933Box 28 \ 2  Scan147
Agreeing to manufacture and test a set of parts for the Marles Steering Gear.1st Mar 1933Box 28 \ 2  Scan148
General arrangement drawing of an R1 type Marles steering gear.20th Jul 1925Box 28 \ 2  Scan149
Follow-up letter from Cam Gears Ltd. requesting a steering wheel to complete the machining of a steering gear column.2nd Mar 1933Box 28 \ 2  Scan150
Letter to Cam Gears Ltd regarding a steering wheel and untraced correspondence.3rd Mar 1923Box 28 \ 2  Scan151
Requesting to send a steering wheel to Messrs Cam Gears Ltd for a Bishop steering system for Bensport.3rd Mar 1933Box 28 \ 2  Scan152
Letter from Cam Gears Ltd. regarding the machining of a column to accurately fit a supplied steering wheel.6th Mar 1933Box 28 \ 2  Scan153
Letter from Cam Gears Ltd. regarding a delay in returning a sample steering gear.13th Apr 1933Box 28 \ 2  Scan154
Comparing the performance of the Marles Weller R.R. Elliott type steering system against a standard system.20th Mar 1933Box 28 \ 2  Scan155
Characteristics of Marles steering gear and recommending specific settings for helix angle and box ratio.20th Mar 1933Box 28 \ 2  Scan156
Letter from Cam Gears Ltd. regarding a sample Bishop Steering Gear sent for testing purposes.20th Mar 1933Box 28 \ 2  Scan157
Letter to Cam Gears Ltd regarding the receipt and planned testing of a Bishop steering gear.22th Mar 1933Box 28 \ 2  Scan158
Inquiry about the result of a set of parts made up for the Marles Steering Gear.22th Mar 1933Box 28 \ 2  Scan159
Confirming the manufacturing status and expected completion date for Marles Steering Gear parts.25th Mar 1933Box 28 \ 2  Scan160
Tests on Bishop steering gear and a comparison with Marles Weller steering.27th Mar 1933Box 28 \ 2  Scan161
The efficiency tests conducted on a Bishop steering gear and an issue found upon dismantling.27th Mar 1933Box 28 \ 2  Scan162
Data table showing forward and reverse steering efficiency calculations.28th Mar 1933Box 28 \ 2  Scan163
Letter to Cam Gears Ltd discussing the efficiency, ratios and potential modifications of a steering gear.28th Mar 1933Box 28 \ 2  Scan164
Letter from Cam Gears Ltd. regarding the return of a steering gear for alteration.29th Mar 1933Box 28 \ 2  Scan165
Request to send a Bishop steering lever and spare rocker shaft to Cam Gears Ltd. for ratio alteration.30th Mar 1933Box 28 \ 2  Scan166
The despatch of a Bishop Steering Gear and Spare Rocker Shaft to Cam Gears Ltd for ratio alteration.30th Mar 1933Box 28 \ 2  Scan167
Letter to Cam Gears Ltd. regarding the return of a Bishop Steering with an altered ratio.12th Apr 1933Box 28 \ 2  Scan168
Letter from Adamant Engineering Company inquiring about the progress of tests on Marles-Weller Steering samples.25th Apr 1933Box 28 \ 2  Scan169
Letter to Adamant Engineering Co. Ltd. providing feedback on the performance of their steering with tempered pads.26th Apr 1933Box 28 \ 2  Scan170
Letter from Adamant Engineering Company regarding the hardness of tempered hemispheres for steering gears.27th Apr 1933Box 28 \ 2  Scan171
Letter from Adamant Engineering Company Limited proposing a follow-up meeting regarding a test.27th Apr 1933Box 28 \ 2  Scan172
Letter to Adamant Engineering regarding steering gear for a new Bentley car.1st May 1933Box 28 \ 2  Scan173
Data for Weller steering for the Bentley.1st May 1933Box 28 \ 2  Scan174
Letter from Adamant Engineering Company regarding the selection of a suitable steering gear for a Bentley car, discussing different gear types and referencing drawings.2nd May 1933Box 28 \ 2  Scan175
Letter from Adamant Engineering Company discussing gear specifications, efficiency, and offering sample parts.2nd May 1933Box 28 \ 2  Scan176
Testing and comparison of a new Bishop steering gear against other models.9th May 1933Box 28 \ 2  Scan177


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