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
Page 2 of a letter asking for clarification on a discrepancy.23th Jan 1936Box 156 \ 1  scan0156
Letter to The British Thermostat Co. Ltd. proposing a trial of a radiator steam valve and requesting the supply of a bellows assembly.3rd Feb 1936Box 156 \ 1  scan0157
Letter from The British Thermostat Co. confirming an order for a radiator bellows steam valve and requesting duplicate prints.5th Feb 1936Box 156 \ 1  scan0158
Letter to The British Thermostat Co. Ltd. concerning the dispatch of duplicate prints.6th Feb 1936Box 156 \ 1  scan0159
Letter from The British Thermostat Co. Ltd. acknowledging receipt of a letter and four duplicate drawings, and confirming the urgency of the order.7th Feb 1936Box 156 \ 1  scan0160
Letter to The British Thermostat Co. Ltd. requesting a Teddington Thermostat.12th Nov 1936Box 156 \ 1  scan0161
Letter from The British Thermostat Co. Ltd. confirming the immediate dispatch of one thermostat.13th Nov 1936Box 156 \ 1  scan0162
Internal request to send an official order for a 'Teddington' Thermostat for Vauxhall or Bedford models.12th Nov 1936Box 156 \ 1  scan0163
Letter from Thomson & Taylor requesting a reliable manufacturer for Aneroid bellows type thermostats for cooling systems.31th Dec 1936Box 156 \ 1  scan0164
Letter to R.A. Railton regarding the choice of thermostats from different manufacturers for car and aero engines.1st Jan 1937Box 156 \ 1  scan0165
Requesting modification of a thermostat casing based on a provided print.10th Mar 1937Box 156 \ 1  scan0166
Letter to The British Thermostat Co. Ltd. regarding a request for a complete water bypass thermostat unit for Bentley cars.11th Mar 1937Box 156 \ 1  scan0167
Letter from The British Thermostat Co. confirming a telephone conversation and an upcoming meeting with Mr. Steadman.12th Mar 1937Box 156 \ 1  scan0168
Letter from the British Thermostat Co. Ltd. regarding the supply of four thermostats for testing.17th Mar 1937Box 156 \ 1  scan0169
Requesting a distance piece be made for thermostat casing tests, based on sketch SK.5053.22th Mar 1937Box 156 \ 1  scan0170
Letter to The British Thermostat Co. Ltd. regarding test results of an unbalanced thermostat and requesting information on alternatives.19th Apr 1937Box 156 \ 1  scan0171
List of queries concerning the design, failure modes, and supply of thermostat components.21th Apr 1937Box 156 \ 1  scan0172
Letter from The British Thermostat Co. regarding issues with thermostats and proposed modifications.21th Apr 1937Box 156 \ 1  scan0173
Letter from The British Thermostat Co. Ltd. discussing thermostat failure modes, air leakage, and supply quantities.26th Apr 1937Box 156 \ 1  scan0174
Letter to The British Thermostat Co. Ltd. regarding the testing of supplied thermostats and a request for a quotation for a future order.26th Apr 1937Box 156 \ 1  scan0175
Internal request to place an official order for two thermostat units with specific temperature settings.28th Apr 1937Box 156 \ 1  scan0176
Request for two thermostat units with different temperature settings to drawing B.G.A.3357.A.28th Apr 1937Box 156 \ 1  scan0177
Letter from The British Thermostat Co. Ltd. regarding a quotation for 200 thermostats and the return of tested units.28th Apr 1937Box 156 \ 1  scan0178
Letter from The British Thermostat Co., Ltd. confirming the dispatch of two thermostats with different opening temperatures.29th Apr 1937Box 156 \ 1  scan0179
Quotation from The British Thermostat Co., Ltd. for 200 units of Thermostat EB.667 with a proposed modification.30th Apr 1937Box 156 \ 1  scan0180
Letter from The British Thermostat Co. Ltd. concerning a price quotation.3rd May 1937Box 156 \ 1  scan0181
Letter to The British Thermostat Co. Ltd. regarding a quotation and proposed modification for a thermostat.3rd May 1937Box 156 \ 1  scan0182
Requesting parts from car B.56.BN be fitted to car B.23.AE, along with a standard Bentley fan.3rd May 1937Box 156 \ 1  scan0183
Letter from The British Thermostat Co., Ltd. providing a quotation for Bellows Elements.5th May 1937Box 156 \ 1  scan0184
Letter from The British Thermostat Co. Ltd. confirming a despatch.10th May 1937Box 156 \ 1  scan0185
Letter to a supplier regarding issues with thermostat samples.10th May 1937Box 156 \ 1  scan0186
Thermostat performance, noting undesirable variations and a potential future order for modified units.11th May 1937Box 156 \ 1  scan0187
Letter from The British Thermostat Co., Ltd. responding to comments on sample thermostats, model BGA.3357A.11th May 1937Box 156 \ 1  scan0188
Letter from The British Thermostat Co. Ltd. regarding a faulty part, sample quality, and a proposed visit.21th May 1937Box 156 \ 1  scan0189
New drawings for the Bentley II Chassis water temperature regulator.21th May 1937Box 156 \ 1  scan0190
Detailing, testing, and modification of a Bentley water temperature regulator for a fixed shutter radiator.11th May 1937Box 156 \ 1  scan0191
Testing and return of two thermostats from the British Thermostat Co.14th May 1937Box 156 \ 1  scan0192
Covering order for four thermostats from the British Thermostat Co.14th May 1937Box 156 \ 1  scan0193
Letter to The British Thermostat Co. Ltd. returning original thermostats and requesting modified replacements for testing.14th May 1937Box 156 \ 1  scan0194
The return of a thermostat to the British Thermostat Co.Ltd.19th May 1937Box 156 \ 1  scan0195
Letter to The British Thermostat Co. Ltd regarding the return of a thermostat for correction.19th May 1937Box 156 \ 1  scan0196
Letter from The British Thermostat Co. Ltd. regarding the return of two thermostats and the manufacture of a further four.19th May 1937Box 156 \ 1  scan0197
Letter chasing an outstanding order for four thermostats from The British Thermostat Co. Ltd.27th May 1937Box 156 \ 1  scan0198
Letter from The British Thermostat Co. Ltd. confirming they are proceeding with an order for four thermostats.31th May 1937Box 156 \ 1  scan0199
Request to fit a thermostat scheme to a car for testing before fitting it to another car.21th Jun 1937Box 156 \ 1  scan0200
The modification of three Bentley thermostat casings.25th Jun 1937Box 156 \ 1  scan0201
Requesting a set of parts for a Bentley Thermostat rig test.26th Jun 1937Box 156 \ 1  scan0202
Modification of a Bentley thermostat casing.1st Jul 1937Box 156 \ 1  scan0203
Letter to The British Thermostat Co. Ltd. regarding disappointing test results of a thermostat scheme on a Bentley car.1st Jul 1937Box 156 \ 1  scan0204
Letter discussing issues with thermostat BGA.2073A, requesting modified versions, and asking for a quotation.1st Jul 1937Box 156 \ 1  scan0205
Quotation letter from The British Thermostat Co. Ltd. for 200 'Teddington' thermostats.2nd Jul 1937Box 156 \ 1  scan0206
Letter from The British Thermostat Co. Ltd. discussing thermostat specifications and plating options.2nd Jul 1937Box 156 \ 1  scan0207
The closing page of a letter from The British Thermostat Co. Ltd.3rd Jul 1937Box 156 \ 1  scan0208
Letter to The British Thermostat Co. Ltd. questioning a price quotation for thermostats and requesting a cost breakdown for modifications.3rd Jul 1937Box 156 \ 1  scan0209
Letter from the Experimental Department requesting a sample motor for car heater tests.8th Jul 1937Box 156 \ 1  scan0210
Letter to The British Thermostat Co. Ltd. requesting the manufacture of three thermostats.9th Jul 1937Box 156 \ 1  scan0211
Letter to The British Thermostat Co. Ltd. requesting two new thermostats with modified seating diameters.9th Jul 1937Box 156 \ 1  scan0212
Letter from The British Thermostat Co. Ltd. discussing the price difference between standard and modified thermostats.9th Jul 1937Box 156 \ 1  scan0213
Letter from The British Thermostat Co. Ltd. regarding the price justification for part BGA.2073A.9th Jul 1937Box 156 \ 1  scan0214
Tests on alternative thermostat schemes for a Bentley car to reduce costs.9th Jul 1937Box 156 \ 1  scan0215
Arranging the despatch of two thermostats to the British Thermostat Co. for alteration.9th Jul 1937Box 156 \ 1  scan0216
Letter from The British Thermostat Co. Ltd. regarding the return of two thermostats, part number BGA. 2073.10th Jul 1937Box 156 \ 1  scan0217
Letter to The British Thermostat Co. Ltd. regarding a quotation for thermostats and the cost of plating.12th Jul 1937Box 156 \ 1  scan0218
Letter from The British Thermostat Co. Ltd. regarding progress on the supply of small heater motors.12th Jul 1937Box 156 \ 1  scan0219
Letter from The British Thermostat Co. Ltd. confirming the production of three thermostats to drawings Ex.28300 & Rm.369.12th Jul 1937Box 156 \ 1  scan0220
Confirming a delay in parts release for M. series Bentley thermostat schemes.16th Jul 1937Box 156 \ 1  scan0221
Letter from The British Thermostat Co. Ltd. regarding a 4d allowance for plating thermostat units.14th Jul 1937Box 156 \ 1  scan0222
Letter to The British Thermostat Co. regarding the delivery of special thermostats and parts for testing.16th Jul 1937Box 156 \ 1  scan0223
The despatch of thermostat fittings and casing to the British Thermostat Co. Ltd.16th Jul 1937Box 156 \ 1  scan0224
Typed list of component parts with their corresponding quantities and part numbers.21th Jul 1937Box 156 \ 1  scan0225
Letter from Harrison Radiator Division concerning the price and specifications of thermostats.21th Jul 1937Box 156 \ 1  scan0226
Returning two thermostats to the British Thermostat Co. Ltd. for rectification.27th Jul 1937Box 156 \ 1  scan0227
Letter to The British Thermostat Co. Ltd. regarding thermostats opening at an incorrect temperature.27th Jul 1937Box 156 \ 1  scan0228
Letter from The British Thermostat Co. Ltd. concerning the return and correction of two thermostats that open at the incorrect temperature.28th Jul 1937Box 156 \ 1  scan0229
Cancelling instructions for the Bentley Thermostat Scheme on the Bentley II due to the loss of induction pipe patterns.30th Jul 1937Box 156 \ 1  scan0230
Payment instructions for an invoice from The British Thermostat Co. Ltd.31th Jul 1937Box 156 \ 1  scan0231
Official order for two thermostats to be issued to The British Thermostat Co.Ltd.2nd Aug 1937Box 156 \ 1  scan0232
Request to place an official order for a thermostat casing and thermostat for a 1937 25.HP. Vauxhall car.4th Aug 1937Box 156 \ 1  scan0233
Fitting of thermostat schemes to Bentley cars for comparison purposes.4th Aug 1937Box 156 \ 1  scan0234
Requesting a damaged thermostat be sent to The British Thermostat Co. Ltd. for repair.12th Aug 1937Box 156 \ 1  scan0235
Letter to The British Thermostat Co. Ltd. regarding the failure of a thermostat during testing and requesting comments.12th Aug 1937Box 156 \ 1  scan0236
Letter from The British Thermostat Co., Ltd. about a faulty thermostat with a fractured bellows.13th Aug 1937Box 156 \ 1  scan0237
Invoice from Harrison Radiator Division for 3 Thermostat Assemblies.27th Aug 1937Box 156 \ 1  scan0238
Request for a covering order for 3 thermostat assemblies received from the Harrison Radiator Corporation.30th Aug 1937Box 156 \ 1  scan0239
Letter requesting four modified thermostat units from The British Thermostat Co. Ltd. for experimental purposes.6th Sep 1937Box 156 \ 1  scan0240
Request for a quotation for a modified thermostat, involving the elimination of a ball valve and the drilling of a hole.7th Sep 1937Box 156 \ 1  scan0241
Inquiry to Vauxhall Motors regarding the reliability of a thermostat from the British Thermostat Co.7th Sep 1937Box 156 \ 1  scan0242
Letter from a supplier confirming the production of four thermostats with modifications and advising on despatch.7th Sep 1937Box 156 \ 1  scan0243
Letter from Vauxhall Motors regarding their experience with cooling system thermostats.8th Sep 1937Box 156 \ 1  scan0244
Letter from The British Thermostat Co. Ltd. providing a revised quotation for thermostats.9th Sep 1937Box 156 \ 1  scan0245
Letter to Vauxhall Motors Ltd. discussing thermostats on their cars and arranging a meeting to standardise a similar unit.10th Sep 1937Box 156 \ 1  scan0246
Payment for thermostats received from the British Thermostat Co. Ltd. without an official order.11th Sep 1937Box 156 \ 1  scan0247
Request for a covering order for four thermostats ordered from the British Thermostat Co.13th Sep 1937Box 156 \ 1  scan0248
Request to issue an official order for thermostats to the British Thermostat Co. Ltd.13th Sep 1937Box 156 \ 1  scan0249
Letter to the British Thermostat Co. Ltd. confirming a modification to an order for four thermostats.13th Sep 1937Box 156 \ 1  scan0250
Inquiry to Rover Motor Co. Ltd. about the reliability of bellow thermostat units.13th Sep 1937Box 156 \ 1  scan0251
Letter to Vauxhall Ltd. arranging a meeting to discuss thermostatic water temperature control.14th Sep 1937Box 156 \ 1  scan0252
Letter to S. Smith & Sons Ltd. requesting a price quote for a thermostatic bypass system for Bentley cars.14th Sep 1937Box 156 \ 1  scan0253
Letter from The Rover Company regarding thermostat usage, service trouble rates, and an enclosed drawing.16th Sep 1937Box 156 \ 1  scan0254
Letter from S. Smith & Sons discussing thermostat designs and offering alternative arrangements.16th Sep 1937Box 156 \ 1  scan0255


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