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
Correspondence with The Adamant Engineering Co. Ltd. regarding a drop arm and gear dimensions.24th Mar 1936Box 153 \ 2  scan0016
Letter from Adamant Engineering Company regarding the completion of an experimental steering gear and requesting further information.24th Mar 1936Box 153 \ 2  scan0017
Letter from Adamant Engineering Company Limited regarding the inspection of a steering gear assembly and requesting a drawing of the Drop Arm.25th Mar 1936Box 153 \ 2  scan0018
Letter from Adamant Engineering confirming receipt of correspondence and discussing work on Drop Arm Ex.21856.25th Mar 1936Box 153 \ 2  scan0019
Dispatch request for one Bishop Steering to be sent to Cam Gear Ltd.27th Mar 1936Box 153 \ 2  scan0020
Letter to Cam Gears Ltd. returning a tested Bishop steering part with performance feedback.27th Mar 1936Box 153 \ 2  scan0021
Letter from Cam Gears Ltd. regarding a returned steering gear, advising against its use for a road test.30th Mar 1936Box 153 \ 2  scan0022
Requesting payment approval for an invoice from the Adamant Engineering Company for a steering gear.23th Apr 1936Box 153 \ 2  scan0023
Authorising payment of an invoice from the Adamant Engineering Co.24th Apr 1936Box 153 \ 2  scan0024
Clarifying design points for the Marles Steering system on Phantom III, 25/30 HP, and Wraith II models.5th May 1936Box 153 \ 2  scan0025
Steering wheel attachment and modifications for the Wraith II steering box.5th May 1936Box 153 \ 2  scan0026
Clarifying design points for the Marles Steering system on various car models.5th May 1936Box 153 \ 2  scan0027
Technical memo discussing the steering wheel attachment and the Wraith II Steering Box.14th May 1936Box 153 \ 2  scan0028
Official order for 3 cams and 3 rollers for a Wraith, order number 54127.14th May 1936Box 153 \ 2  scan0029
Letter to The Adamant Engineering Co. Ltd. requesting the supply of experimental steering gear parts.14th May 1936Box 153 \ 2  scan0030
Letter from Adamant Engineering Company regarding the design of special Cams and Rollers.16th May 1936Box 153 \ 2  scan0031
Letter to Adamant Engineering Co. Ltd. requesting remarks on the design of special cams and rollers.18th May 1936Box 153 \ 2  scan0032
Letter from Adamant Engineering Company regarding drawings and a design suggestion for a Cam and Roller.18th May 1936Box 153 \ 2  scan0033
Letter from Adamant Engineering Company regarding manufacturing difficulties with a Cam specification.19th May 1936Box 153 \ 2  scan0034
Failure in the Marles steering cam wheel bearing and proposing design modifications for the Wraith II.19th May 1936Box 153 \ 2  scan0035
Letter from Adamant Engineering Company, Ltd. regarding previous correspondence.19th May 1936Box 153 \ 2  scan0036
Letter from Adamant Engineering Company confirming a meeting appointment with Mr. J. F. Hardy.21th May 1936Box 153 \ 2  scan0037
Letter to The Adamant Engineering Co. Ltd confirming a request for a special steering cam and rollers.27th May 1936Box 153 \ 2  scan0038
Request to send an official order to Adamant Engineering Co. for a special steering cam and rollers for experimental work.27th May 1936Box 153 \ 2  scan0039
Letter from Adamant Engineering Company regarding the inability to modify an order of rollers for a 25/30 car.27th May 1936Box 153 \ 2  scan0040
Letter from Adamant Engineering Company confirming the production of a special 25 HP Steering Cam and rollers.28th May 1936Box 153 \ 2  scan0041
Letter to a supplier regarding the specifications and accuracy of rollers and cam bores.29th May 1936Box 153 \ 2  scan0042
Table of mean diameter measurements for the bore of 25 HP steering cams.3rd Jun 1936Box 153 \ 2  scan0043
Letter from Adamant Engineering discussing manufacturing tolerances and production issues related to cam bores.3rd Jun 1936Box 153 \ 2  scan0044
Letter to F.J. Hardy discussing the high cost and difficulty of manufacturing Cams to very fine limits.8th Jun 1936Box 153 \ 2  scan0045
Visit to Adamant Engineering Co. concerning a ball bearing failure in a steering component.8th Jun 1936Box 153 \ 2  scan0046
The manufacturing accuracy of cams, the process for steering tubes, and proposed improvements for 25/30 HP rollers.8th Jun 1936Box 153 \ 2  scan0047
Letter to Adamant Engineering Co. Ltd. regarding the return of faulty cams and rollers.15th Jun 1936Box 153 \ 2  scan0048
Request to return faulty Wraith steering parts to Adamant Engineering Co. Ltd.15th Jun 1936Box 153 \ 2  scan0049
Letter from Adamant Engineering Company regarding an error in the manufacture of cams and rollers, and arranging for replacements.16th Jun 1936Box 153 \ 2  scan0050
Request to return two faulty Wraith Steering Cams to Adamant Engineering Co. Ltd. for replacement.17th Jun 1936Box 153 \ 2  scan0051
Letter to Adamant Engineering Co. Ltd. urgently requesting the delivery of a steering cam and rollers.22th Jun 1936Box 153 \ 2  scan0052
Letter from Adamant Engineering Company regarding manufacturing issues with cams and rollers for order 17800.23th Jun 1936Box 153 \ 2  scan0053
Letter from Adamant Engineering Company regarding incorrectly manufactured replacement Cams.26th Jun 1936Box 153 \ 2  scan0054
Letter from Adamant Engineering Company regarding unsatisfactory rollers and the production of replacements.13th Jul 1936Box 153 \ 2  scan0055
Concluding page of a letter from Adamant Engineering Company, Ltd.13th Jul 1936Box 153 \ 2  scan0056
Technical drawing for a Roller (Lead .7').16th May 1936Box 153 \ 2  scan0057
Engineering drawing for a Roller (Lead .7').16th May 1936Box 153 \ 2  scan0058
Engineering drawing for a toothed and grooved roller.23th Aug 1935Box 153 \ 2  scan0059
Letter to Adamant Engineering Co. Ltd. regarding the production and improvement of steering gear parts.14th Jul 1936Box 153 \ 2  scan0060
Letter to The Adamant Engineering Co. Ltd. concerning the supply and manufacturing tolerances of roller followers.15th Jul 1936Box 153 \ 2  scan0061
Letter from Adamant Engineering acknowledging correspondence and awaiting prints for a Ransome & Marles proposal.16th Jul 1936Box 153 \ 2  scan0062
Letter from Adamant Engineering Company regarding the production of rollers, drawing revisions, and proposed improvements.15th Jul 1936Box 153 \ 2  scan0063
Requesting an official order be sent to Adamant Engineering Co. Ltd. for 15 Roller Followers.17th Jul 1936Box 153 \ 2  scan0064
Letter to Adamant Engineering Co. Ltd. regarding specifications for grinding ball race tracks on a roller follower.17th Jul 1936Box 153 \ 2  scan0065
Request for 15 rollers to F.61281 and a notification of works closure.17th Jul 1936Box 153 \ 2  scan0066
Payment approval for an invoice from Adamant Eng. Co.Ltd for a special steering cam and rollers.17th Jul 1936Box 153 \ 2  scan0067
Letter from Adamant Engineering Company regarding drawings for rollers and tracks, proposing a new grinding fixture.18th Jul 1936Box 153 \ 2  scan0068
Letter from Adamant Engineering Company Limited regarding manufacturing suggestions for a roller part.3rd Aug 1936Box 153 \ 2  scan0069
Letter to Adamant Engineering Co. Ltd. regarding grinding specifications for 15 rollers.3rd Aug 1936Box 153 \ 2  scan0070
Internal memorandum authorising the payment of an invoice for £13.2.0d.4th Aug 1936Box 153 \ 2  scan0071
Letter to a supplier regarding the grinding of steering rollers for the 25/30 HP model, enclosing relevant drawings.4th Aug 1936Box 153 \ 2  scan0072
Letter from Ransome & Marles Bearing Co. regarding steering gear components.5th Aug 1936Box 153 \ 2  scan0073
Page 2 of a follow-up letter from Ransome & Marles Bearing Co. Ltd. concerning a discussion about gear sizes.5th Aug 1936Box 153 \ 2  scan0074
Quotation from Ransome & Marles Bearing Co., Ltd. for fifteen sets of steering gear components.5th Aug 1936Box 153 \ 2  scan0075
The dispatch of two Phantom III steering roller followers for external examination and report.5th Aug 1936Box 153 \ 2  scan0076
Letter to Adamant Engineering Co. Ltd. concerning premature wear on a roller follower for a steering gear.5th Aug 1936Box 153 \ 2  scan0077
Request to modify a 1 7/16 gear for a Bentley to incorporate an outboard bearing and to provide a corresponding print.5th Aug 1936Box 153 \ 2  scan0078
Issue with Marles Steering and a proposed design modification to the cover.7th Aug 1936Box 153 \ 2  scan0079
Letter from a supplier discussing the hardness and case depth of a steering gear roller component.7th Aug 1936Box 153 \ 2  scan0080
Page 2 of a letter from Ransome & Marles Bearing Co. regarding the examination of case depth and loading on a tooth form.7th Aug 1936Box 153 \ 2  scan0081
Letter from Adamant Engineering Company confirming progress on order O/21130 and requesting dispatch instructions.10th Aug 1936Box 153 \ 2  scan0082
Letter from Adamant Engineering regarding the examination of a faulty roller and a query about modifying a steering gear.11th Aug 1936Box 153 \ 2  scan0083
Letter from Adamant Engineering Company Limited requesting further instructions regarding new parts.14th Aug 1936Box 153 \ 2  scan0084
Letter to Adamant Engineering concerning an order for rollers and issues with faulty case hardening.14th Aug 1936Box 153 \ 2  scan0085
Letter to Ransome & Marles Bearing Co. Ltd. regarding the load specifications for steering rollers.14th Aug 1936Box 153 \ 2  scan0086
Letter from Adamant Engineering Co. Ltd. enclosing a blueprint of a gear with outboard bearing, which was omitted from a previous correspondence.17th Aug 1936Box 153 \ 2  scan0087
Modification to the Marles Steering system regarding a tapping hole.17th Aug 1936Box 153 \ 2  scan0088
Cause of steering inefficiency and wandering in car model GUL-1, with recommendations for improvement.18th Aug 1936Box 153 \ 2  scan0089
Investigation report into a complaint of dangerous steering on chassis GUL-1, with comparative measurements.18th Jun 1936Box 153 \ 2  scan0090
Considering the likely cause of a feeling of stickiness in a component.18th Aug 1936Box 153 \ 2  scan0091
Letter from Ransome & Marles Bearing Co. regarding the steering cam roller assembly, discussing torque and pre-loading.21th Aug 1936Box 153 \ 2  scan0092
Letter from Ransome & Marles Bearing Co. Ltd. discussing a load figure and indentation avoidance.21th Aug 1936Box 153 \ 2  scan0093
Telegram chasing an outstanding order for fifteen rollers.24th Aug 1936Box 153 \ 2  scan0094
Follow-up letter from Ransome & Marles Bearing Co. regarding the analysis of a sectioned steering gear roller.24th Aug 1936Box 153 \ 2  scan0095
Letter from Ransome & Marles Bearing Co. regarding a recommendation on component condition, page 2.24th Aug 1936Box 153 \ 2  scan0096
Agreements with Mr Maltravers regarding the manufacturing and testing of Marles Steerings cams.28th Aug 1936Box 153 \ 2  scan0097
The despatch of a Phantom III Steering Box to the Adamant Co. and an assessment of its cam.2nd Sep 1936Box 153 \ 2  scan0098
Despatch note requesting a Phantom III Steering Box to be sent to Messrs. Adamant Co.3rd Sep 1936Box 153 \ 2  scan0099
Request to place an official order with Ransome & Marles Bearing Co. for finishing, supplying, and grinding various bearing components for a 25/30 HP model.7th Sep 1936Box 153 \ 2  scan0100
Internal request to place an official order for a Marles Steering gear from the Adamant Engineering Co.7th Sep 1936Box 153 \ 2  scan0101
Letter to The Adamant Engineering Co. Ltd. regarding the supply of experimental cams and rollers for a chassis.8th Sep 1936Box 153 \ 2  scan0102
Request to place an official order with Adamant Engineering Co. Ltd. for modified cams and a roller for Ph.III Steering.8th Sep 1936Box 153 \ 2  scan0103
Letter to The Adamant Engineering Co. Ltd. regarding production issues caused by the eccentricity of roller followers.10th Sep 1936Box 153 \ 2  scan0104
Letter from Ransome & Marles Bearing Co. regarding proposals to modify the Steering Cam Roller Assembly for increased capacity.10th Sep 1936Box 153 \ 2  scan0105
Letter from Adamant Engineering concerning the manufacture of a Cam and Roller, noting a specification discrepancy and delivery timings.11th Sep 1936Box 153 \ 2  scan0106
Page 2 of a letter from Adamant Engineering Company regarding the manufacture of ball bearing rollers.11th Sep 1936Box 153 \ 2  scan0107
Letter from Adamant Engineering Company regarding the eccentricity of supplied rollers for steering gears.12th Sep 1936Box 153 \ 2  scan0108
Letter to Adamant Engineering Co. Ltd. discussing tolerance limits for the eccentricity of rollers.21th Sep 1936Box 153 \ 2  scan0109
F.O.C. invoice for a Cam from Adamant Engineering Co. Ltd.22th Sep 1936Box 153 \ 2  scan0110
Clarifying an invoice for a Cam part, stating it was not ordered by or connected to the Experimental Department.23th Sep 1936Box 153 \ 2  scan0111
Letter from Adamant Engineering Company regarding a revised order for rollers and manufacturing tools.23th Sep 1936Box 153 \ 2  scan0112
Letter to Adamant Engineering Co. Ltd. about grinding races for the 25/30 and Phantom III steering gears.29th Sep 1936Box 153 \ 2  scan0113
Letter to Adamant Engineering Co. Ltd. about making direct arrangements with Messrs. Ransome & Marles.29th Sep 1936Box 153 \ 2  scan0114
The transfer of 25/30 HP steering rollers to Messrs. Ransome & Marles for grinding.1st Oct 1936Box 153 \ 2  scan0115


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