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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Letter from S. Smith & Sons enclosing blueprint Y.40936 for a tank unit arrangement, referencing Rolls-Royce drawing F.87026.28th Dec 1934Box 167 \ 4  img067
Drawing of a new electric petrol gauge with warning light contacts for the Spectre petrol tank.29th Dec 1934Box 167 \ 4  img068
Letter requesting advice on fitting electrical fuel level indicators and a replacement drawing for a tank attachment.17th Jan 1935Box 167 \ 4  img069
Internal order request for two electric petrol gauges for a Bentley chassis.29th Jan 1935Box 167 \ 4  img070
Letter from S. Smith & Sons to H.E. West regarding potential improvements to the Petrol Gauge.12th Feb 1935Box 167 \ 4  img071
Letter from S. Smith & Sons about temporary alterations to bakelite mouldings for warning light contacts.13th Feb 1935Box 167 \ 4  img072
Approval note for the Smiths' Electric Petrol Gauge drawing on the Spectre chassis.22th Feb 1935Box 167 \ 4  img073
Letter from S. Smith & Sons requesting permission to substitute a finer tooth gear for petrol gauges.25th Feb 1935Box 167 \ 4  img074
Letter to S.Smith & Sons, Ltd. regarding new petrol gauge gears, pending the completion of chassis tests.27th Feb 1935Box 167 \ 4  img075
Instructions for fitting new Bentley petrol gauges with reserve warning light contacts to two specific chassis.8th Mar 1935Box 167 \ 4  img076
Letter to S. Smith & Sons Ltd. requesting a meeting to discuss trouble with a new petrol gauge tank unit.21th Mar 1935Box 167 \ 4  img077
Letter from S. Smith & Sons arranging a visit to discuss a new Petrol Gauge Tank Unit with a warning light contact.22th Mar 1935Box 167 \ 4  img078
Return of three experimental Smith electric petrol gauges for modification.26th Mar 1935Box 167 \ 4  img079
Requesting the fitting of a new Spectre type petrol system for a car undergoing a 15,000-mile test.9th Apr 1935Box 167 \ 4  img080
Letter from S. Smith & Sons regarding tests and modifications to Tank Attachments with Warning Light contacts.26th Apr 1935Box 167 \ 4  img081
Internal request to order an electric petrol gauge and motor from Messrs. Smiths for a 20/25 chassis.25th May 1935Box 167 \ 4  img082
Confirming the free-of-charge repair and return of a Spectre Oil Gauge.3rd Jun 1935Box 167 \ 4  img083
Letter to S. Smith & Sons regarding leaks in a new electric petrol gauge tank unit for Bentleys.14th Jun 1935Box 167 \ 4  img084
Letter from S. Smith & Sons regarding the standardisation of a new Tank Unit for 'Bentley' and a leaking float issue.18th Jun 1935Box 167 \ 4  img085
Return of two new Smith electric petrol gauge meters with concave dials.16th Aug 1935Box 167 \ 4  img086
Letter from S. Smith & Sons regarding an increased cost quotation for 40/50 HP Electric Petrol Gauges.27th Aug 1935Box 167 \ 4  img087
Cost justification for a modified electric petrol gauge.9th Sep 1935Box 167 \ 4  img088
Letter from S. Smith & Sons regarding the failure and replacement of a Petrol Gauge meter.9th Sep 1935Box 167 \ 4  img089
Extra tool charges from Messrs. Smiths for a modified electric petrol gauge.10th Sep 1935Box 167 \ 4  img090
Cost and standardisation of a new Smith electrical petrol gauge for a Bentley chassis.10th Sep 1935Box 167 \ 4  img091
Short typed memo regarding the excessive cost of a petrol gauge unit.10th Sep 1935Box 167 \ 4  img092
New Smith Electrical Petrol Gauge for the Bentley Chassis and related supply issues.11th Sep 1935Box 167 \ 4  img093
Design modifications and seeking confirmation for a new scheme for electric petrol gauges with a warning device.13th Sep 1935Box 167 \ 4  img094
Letter to S. Smith & Sons regarding necessary modifications to electric petrol gauge drawings.13th Sep 1935Box 167 \ 4  img095
Technical review and critique of the Smith Electric Petrol Gauge.13th Sep 1935Box 167 \ 4  img096
Query sheet regarding materials for bushes and a locking scheme for pinion wires, accompanied by a diagram.13th Sep 1935Box 167 \ 4  img097
Letter to S.Smith & Sons, Ltd. regarding piece numbers for petrol tanks and tank units for the latest chassis.17th Sep 1935Box 167 \ 4  img098
Table of part numbers for petrol system components across various models.18th Sep 1935Box 167 \ 4  img099
Letter to S. Smith & Sons, Ltd. confirming a discussion about modifications to a new electric petrol gauge.18th Sep 1935Box 167 \ 4  img100
Letter from S. Smith & Sons regarding clarification of part numbers for tanks and petrol gauges.19th Sep 1935Box 167 \ 4  img101
Continuation letter from S. Smith & Sons regarding a Cast Bracket and warning light contacts.19th Sep 1935Box 167 \ 4  img102
List of petrol gauge components and part numbers for various car models.19th Sep 1935Box 167 \ 4  img103
Letter from S. Smith & Sons concerning modifications to a new tank attachment.19th Sep 1935Box 167 \ 4  img104
Replacement of two petrol filters with a single new one and the installation of a reserve warning light.19th Sep 1935Box 167 \ 4  img105
Requesting approval for modifications to electric petrol gauges received from Messrs. Smiths.21th Sep 1935Box 167 \ 4  img106
Letter to Messrs. S. Smith & Sons, Ltd. regarding an amended table of drawing numbers.28th Sep 1935Box 167 \ 4  img107
Letter from S. Smith & Sons confirming modifications to a Tank Unit for 40/50 HP Olympia Models.24th Sep 1935Box 167 \ 4  img108
Letter from S. Smith & Sons regarding modifications to a blueprint for a new type of tank attachment.27th Sep 1935Box 167 \ 4  img109
Confirming a patent application for a new single wire voltage compensated electrical petrol gauge.1st Oct 1935Box 167 \ 4  img110
Letter to S. Smith & Sons Ltd approving modifications to a proposed new tank attachment.2nd Oct 1935Box 167 \ 4  img111
Letter to Messrs. S. Smith & Sons, Ltd. regarding a new design for an Electric Petrol Gauge.3rd Oct 1935Box 167 \ 4  img112
Letter from S. Smith & Sons arranging a meeting to discuss electric petrol gauges.4th Oct 1935Box 167 \ 4  img113
Request to place an order for an A.C. electric petrol gauge with G.S. Oscroft & Co. Ltd.4th Nov 1935Box 167 \ 4  img114
Authorisation to fit the new 'Lantern toothed' gear from Messrs. Smiths to the petrol gauges on all chassis.30th Nov 1935Box 167 \ 4  img115
Capacity, gauge calibration, and potential design improvements for the Phantom III petrol tank.20th Dec 1935Box 167 \ 4  img116
List of petrol gauge tank unit codes for various chassis models, detailing part numbers and features.4th Jan 1936Box 167 \ 4  img117
Internal order request for one Smith Electric Petrol Gauge to drawing F.61067.20th Jan 1936Box 167 \ 4  img118
Standardisation of a new type Smith electric petrol gauge with an aluminium support, larger float, and warning light contacts.16th Aug 1935Box 167 \ 4  img119
Cost analysis for the standardisation of parts, comparing the costs of an old part versus a new part.4th Jul 1935Box 167 \ 4  img120
Attaching a schedule of Smiths' code numbers for the petrol gauge tank unit for various chassis.11th Feb 1936Box 167 \ 4  img121
Letter from S. Smith & Sons advising that two Bentley Tank Attachments are being sent for testing purposes.11th May 1936Box 167 \ 4  img122
Receipt and fitting of two Bentley petrol gauge tank units with special bearings.20th May 1936Box 167 \ 4  img123
Query to I.M. Waller regarding the exact location of a petrol leakage on a gauge tank unit.8th Jul 1936Box 167 \ 4  img124
Letter from S. Smith & Sons regarding an experimental single-wire petrol gauge for the 20/25 HP model.30th Jul 1936Box 167 \ 4  img125
Letter to H.M. Hobson Components Ltd. requesting a sample of a new type electric petrol gauge.31th Jul 1936Box 167 \ 4  img126
Letter from H.M. Hobson Components discussing the supply of a Hobson K-S Electric Telegage for trial.7th Aug 1936Box 167 \ 4  img127
Letter from a component supplier discussing modifications for fitting a mechanism.7th Aug 1936Box 167 \ 4  img128
Letter to H.M. Hobson Components regarding drawings for the Phantom III instrument board and petrol tank.11th Aug 1936Box 167 \ 4  img129
Letter from H.M. Hobson Components Ltd. acknowledging receipt of drawings for the Phantom III instrument board and petrol tank.12th Aug 1936Box 167 \ 4  img130
Letter regarding a sample electric petrol gauge, an enclosed sketch (No.460) for fitting, and a request for a tank for calibration.17th Aug 1936Box 167 \ 4  img131
Letter from H.M. Hobson Components regarding complications with fitting an electric petrol gauge.25th Aug 1936Box 167 \ 4  img132
Letter to Messrs. H.M. Hobson Components Ltd. regarding the mounting of a K.S. Electric Petrol Gauge.24th Aug 1936Box 167 \ 4  img133
Letter to H.M. Hobson Components Ltd. regarding the approval and modification of a tank sketch (No.460).26th Aug 1936Box 167 \ 4  img134
Letter concerning an employee's holiday absence and the continued work on new electrical gauges for an experimental car.28th Aug 1936Box 167 \ 4  img135
Letter from S. Smith & Sons regarding tank attachments supplied for testing.5th Sep 1936Box 167 \ 4  img136
Letter to S. Smith & Sons Ltd. regarding the supply and potential return of tank attachments used for testing.8th Sep 1936Box 167 \ 4  img137
Letter from S. Smith & Sons regarding a misunderstanding and placing a matter in abeyance.11th Sep 1936Box 167 \ 4  img138
Returning a faulty, experimental Smith single wire petrol gauge to the makers for rectification.15th Sep 1936Box 167 \ 4  img139
Letter regarding a faulty experimental petrol gauge being returned for rectification.15th Sep 1936Box 167 \ 4  img140
Letter from S. Smith & Sons regarding two Tank Attachments being supplied on loan for an indefinite period for testing.15th Sep 1936Box 167 \ 4  img141
Letter from S. Smith & Sons acknowledging a letter regarding a petrol gauge and tank attachment.17th Sep 1936Box 167 \ 4  img142
Invoice from S. Smith & Sons Ltd. for a tank attachment and petrol meter, requesting payment authorization.26th Sep 1936Box 167 \ 4  img143
Parts on loan to Messrs. Smiths for testing and a request to hold the invoice in abeyance.28th Sep 1936Box 167 \ 4  img144
Follow-up letter from H.M. Hobson Components to Rolls-Royce asking for an estimated delivery date for a tank baffle.29th Sep 1936Box 167 \ 4  img145
Letter from H.M. Hobson Components Ltd. following up on the supply of a sample Electric Gauge.26th Nov 1936Box 167 \ 4  img146
Letter to H.M. Hobson Components Ltd. regarding the delayed completion of a petrol tank.27th Nov 1936Box 167 \ 4  img147
Letter from S. Smith & Sons regarding the examination of a sample tank unit fitted with Carbon Graphitic Bearings.18th Dec 1936Box 167 \ 4  img148
The testing of a Bentley petrol gauge meter with bakelite-treated windings on chassis 6-B-IB.22th Jan 1937Box 167 \ 4  img149
Letter from S. Smith & Sons regarding an investigation into instrument costs, sample instruments, and petrol gauge issues.25th Jan 1937Box 167 \ 4  img150
Letter from S. Smith & Sons regarding a new tank unit without gears for testing purposes.25th Jan 1937Box 167 \ 4  img151
Letter to S. Smith & Sons regarding the price and standardization of a special petrol gauge tank unit with Carbon Graphitic Bearings.27th Jan 1937Box 167 \ 4  img152
Letter from S. Smith & Sons regarding an enquiry about Carbon Graphitic Bearings.28th Jan 1937Box 167 \ 4  img153
Letter from S. Smith & Sons regarding the fitting of a gearless single wire tank unit.8th Feb 1937Box 167 \ 4  img154
Letter from S. Smith & Sons agreeing to a modification for the Electric Petrol Gauge tank unit.11th Feb 1937Box 167 \ 4  img155
Hand-drawn sketches of mechanical components, including a gear, over a pre-printed typed letter.17th Feb 1937Box 167 \ 4  img156
Follow-up letter from S. Smith & Sons regarding a gearless single wire type tank attachment.17th Feb 1937Box 167 \ 4  img157
Letter to S.Smith & Sons Ltd. regarding the unsuitability of the proposed petrol gauge position due to road camber.22th Feb 1937Box 167 \ 4  img158
Standardisation of carbon graphitic bearings on the Smith electric petrol gauge.15th Mar 1937Box 167 \ 4  img159
The production implementation for a standardized part at no extra tool cost.24th Mar 1931Box 167 \ 4  img160
Standardisation of carbon graphite bearings on the Smith Electric petrol gauge for the Phantom III.15th Feb 1937Box 167 \ 4  img161
Standardisation of carbon bronze bearings for the Phantom III, to be introduced on the 'C' Series chassis.26th Aug 1938Box 167 \ 4  img162
Standardisation of carbon graphitic bearings on the Smith electric petrol gauge for the 25/30 HP model.15th Feb 1937Box 167 \ 4  img163
Standardisation of parts for production.21th Jun 1937Box 167 \ 4  img164
The deterioration of wire insulation for the Bentley petrol indicator due to oil saturation.21th Jun 1937Box 167 \ 4  img165
The standardisation of the Bentley petrol gauge wire.24th Jun 1937Box 167 \ 4  img166


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