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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Fitting a C.A.V. Dynamo, outfit, and Edison batteries to chassis 2100E, discussing an initial fault and battery efficiency.4th Dec 1912Box 1 \ 7  B001_X15 20 46 50 59-page204
Departmental memo regarding an order for 50 sets of Edison battery boxes and batteries for experimental and trial cars.13th Dec 1912Box 1 \ 7  B001_X15 20 46 50 59-page205
Departmental memo requesting the actual capacity of lead and Edison accumulator cells at a specific discharge rate.8th Feb 1913Box 1 \ 7  B001_X15 20 46 50 59-page206
Request for the actual capacity of Edison cells at a specific discharge rate for comparison.8th Feb 1913Box 1 \ 7  B001_X15 20 46 50 59-page207
Departmental memo with a query from Mr. Royce comparing the voltage constancy of Edison lighting batteries to lead accumulators.10th Feb 1913Box 1 \ 7  B001_X15 20 46 50 59-page208
Departmental memo chasing information on Edison Cells, with a handwritten reply stating tests are in progress.28th Feb 1913Box 1 \ 7  B001_X15 20 46 50 59-page209
Following up on tests of Edison Cells, quoting a remark from Mr Royce.10th Mar 1913Box 1 \ 7  B001_X15 20 46 50 59-page210
Report comparing the performance and weight of Edison cells against C.A.V. and Exide cells.13th Mar 1913Box 1 \ 7  B001_X15 20 46 50 59-page211
The performance of electrical cells, comparing them to Edison and Exide cells.13th Mar 1913Box 1 \ 7  B001_X15 20 46 50 59-page212
Copy of a sheet detailing the weights of Premier and Edison 8-volt cells.24th Dec 1912Box 1 \ 7  B001_X15 20 46 50 59-page213
Report to Mr. Wormald comparing the weight and performance of Premier, Edison, and C.A.V. batteries.11th Mar 1913Box 1 \ 7  B001_X15 20 46 50 59-page214
Comparison of battery cell weights and a performance report on Edison 40 amp-hour accumulators.19th Feb 1920Box 1 \ 7  B001_X15 20 46 50 59-page215
Continued report on cell testing, comparing the weight and performance of Edison and Exide cells.19th Feb 1920Box 1 \ 7  B001_X15 20 46 50 59-page216
Variability of Edison cells compared to lead cells, like Exides.19th Mar 1913Box 1 \ 7  B001_X15 20 46 50 59-page217
Final report on the testing and performance comparison of Edison and C.A.V. battery cells.13th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page218
Requesting a weight and voltage comparison between Edison cells and lead accumulators for lighting sets.14th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page219
Experiment testing the average output and discharge variation of Edison Cells.14th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page220
The performance and condition of 12-volt C.A.V. cells.16th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page221
From F.H.R. to Mr. Ellis requesting comparative data on weights and EMF for Edison cells versus lead cells for car lighting.18th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page222
Comparing the weights of Edison cells with other lead accumulators.19th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page223
Performance of different car battery types and requesting a detailed comparison.25th Jun 1913Box 1 \ 7  B001_X15 20 46 50 59-page224
Page discussing the comparison of cells and the return of a test book.10th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page225
Letter from C.A. Vandervell & Co. regarding the supply of ignition accumulators, specifically the Edison type.10th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page226
Fitting and testing Edison cells on experimental cars and their subsequent performance.17th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page227
Comparison of Edison and Exide accumulators, detailing weight per amp hour and voltage variation during discharge.17th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page228
Voltage variation during charging for Edison and Exides batteries.18th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page229
Comparison of Exide and Edison accumulator cells regarding weight per amp hour and voltage variation.18th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page230
Comparison of voltage characteristics for Exide and Edison battery cells during charging and discharging.19th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page231
Urgent order for four 12 volt 9 cell Edison battery boxes for a C.A.V. lighting installation.19th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page232
Comparative weights and E.M.F. of Exide and Edison lighting accumulators.23th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page233
Correcting a previous error regarding the weights of Exide and Edison accumulator cells.24th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page234
Correcting a typist's error regarding the comparative weights of Exide and Edison cells.24th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page235
Comparing Edison nickel-iron cells with lead accumulator batteries.29th Jul 1913Box 1 \ 7  B001_X15 20 46 50 59-page236
Test where an ignition coil misfired at high speeds and the subsequent investigation and proposed solutions.1st Sep 1913Box 1 \ 7  B001_X15 20 46 50 59-page237
Extract from a memo by Mr. Royce discussing the choice of accumulators, favoring Exide cells over the prohibitively expensive Edison batteries.3rd Sep 1913Box 1 \ 7  B001_X15 20 46 50 59-page238
Voltage variation issues with a C.A.V. Dynamo set and comparing Edison and Exide batteries.8th Sep 1913Box 1 \ 7  B001_X15 20 46 50 59-page239
Requesting parts for car 2704 and investigating an incorrectly fitted battery ignition system on car 2301.29th Oct 1913Box 1 \ 7  B001_X15 20 46 50 59-page240
Report from the Experimental Department about Edison Cells.6th Nov 1913Box 1 \ 7  B001_X15 20 46 50 59-page241
Report explaining why Edison Cells were fitted to chassis 2301 and sent away incorrectly connected.7th Nov 1913Box 1 \ 7  B001_X15 20 46 50 59-page242
Extract concerning tests on Edison cells for self-starters and details about a Peerless set.9th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page243
Report from Edison Accumulators Ltd. regarding a damaged cell caused by incorrect housing and subsequent electrolysis.18th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page244
Quotation for a new steel container and refilling electrolyte.19th Nov 1913Box 1 \ 7  B001_X15 20 46 50 59-page245
Instructing the drawing office on the design of battery boxes for Edison Accumulators.19th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page246
Results of performance tests on Edison cells.19th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page247
Technical memo discussing the unsuitability of Edison batteries for self-starters and lighting, with a suggestion to investigate Willard batteries.22th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page248
Internal correspondence regarding modifications to Edison cell battery boxes.22th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page249
Letter detailing test results for Edison batteries intended for use in self-starters.23th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page250
Test results for a 6-cell, 9.3-volt battery weighing 29 lbs, showing voltage readings before and after discharge.23th Dec 1913Box 1 \ 7  B001_X15 20 46 50 59-page251
Mr. Royce's request for information on the voltage variation of Edison cells.5th Jan 1914Box 1 \ 7  B001_X15 20 46 50 59-page252
Report on Edison Cells, enclosing a copy for Mr Royce and requesting clarification on further requirements.8th Jan 1914Box 1 \ 7  B001_X15 20 46 50 59-page253
Memo requesting the replacement of two leaking Edison cells on car 2301.17th Jan 1914Box 1 \ 7  B001_X15 20 46 50 59-page254
Letter regarding an enquiry into the delivery status of two Edison batteries for a client in Le Canadel.4th Feb 1914Box 1 \ 7  B001_X15 20 46 50 59-page255
Failure of Edison batteries and recommending Tudor batteries as a suitable alternative for the self-starter.6th Feb 1914Box 1 \ 7  B001_X15 20 46 50 59-page256
Letter confirming the receipt of two charged Edison cells.9th Feb 1914Box 1 \ 7  B001_X15 20 46 50 59-page257
Leaking Edison Cells and the supplier's explanation of the cause.11th Feb 1914Box 1 \ 7  B001_X15 20 46 50 59-page258
The use and installation of Edison Cells in battery boxes.5th Jan 1914Box 1 \ 7  B001_X15 20 46 50 59-page259
The failure of Edison cells on chassis 2301 and a request for replacement C.A.V. batteries.9th Mar 1914Box 1 \ 7  B001_X15 20 46 50 59-page260
To Mr. Brock, for Mr. Gamble, about providing a box for three awaited Edison cells.4th Dec 1919Box 1 \ 7  B001_X15 20 46 50 59-page261
Graph showing the results of a discharge capacity test on a set of six Edison B2 40 A.H. cells at a high rate.4th Dec 1919Box 1 \ 7  B001_X15 20 46 50 59-page262
Graph showing the discharge capacity test results for a set of 6 L.B. cells.24th Dec 1920Box 1 \ 7  B001_X15 20 46 50 59-page263
Client's suggestion to trial Edison batteries on cars.24th Dec 1920Box 1 \ 7  B001_X15 20 46 50 59-page264
Suitability of Edison versus lead-acid batteries for use in cars.31th Dec 1920Box 1 \ 7  B001_X15 20 46 50 59-page265
Comparison and recommendation regarding the use of Edison type batteries versus standard Exide batteries.31th Dec 1920Box 1 \ 7  B001_X15 20 46 50 59-page266
Typed memorandum discussing the performance and replacement cost of acid batteries.31th Dec 1920Box 1 \ 7  B001_X15 20 46 50 59-page267
Letter from Rolls-Royce of America concerning three enclosed booklets on Edison Storage Batteries.1st Jun 1921Box 1 \ 7  B001_X15 20 46 50 59-page268
Battery life and guarantees from the De Martis and Edison companies.18th Oct 1922Box 1 \ 7  B001_X15 20 46 50 59-page269
Copy of a guarantee for Edison Accumulators issued by Edison Accumulators Ltd.18th Oct 1927Box 1 \ 7  B001_X15 20 46 50 59-page270
Suitability and internal resistance of Nickel-Iron (Ni-Fe) batteries for chassis use and starter motor operation.16th Nov 1922Box 1 \ 7  B001_X15 20 46 50 59-page271
The superiority of Edison cells over acid batteries for use in works trucks.16th Nov 1922Box 1 \ 7  B001_X15 20 46 50 59-page272
Blank, hole-punched page with a handwritten number at the top.13th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page273
Letter discussing a new carburetter, its potential tests, and a request for its patent specification number.13th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page274
Godward Carburetter, enclosing patent specifications.14th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page275
Patent specifications for the Godward Carburetter.10th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page276
Complete patent specification for improvements in carburettors for internal combustion engines.26th May 1914Box 1 \ 7  B001_X15 20 46 50 59-page277
Patent specification for improvements to carburettors for internal combustion engines.1st Jan 1914Box 1 \ 7  B001_X15 20 46 50 59-page278
Patent document for improvements in carburettors using absorbent fabric linings.26th May 1914Box 1 \ 7  B001_X15 20 46 50 59-page279
Godward's complete specification patent drawing showing various views of a tank and frame assembly.26th May 1914Box 1 \ 7  B001_X15 20 46 50 59-page280
Patent specification for improvements to carburettors for internal combustion engines.1st May 1916Box 1 \ 7  B001_X15 20 46 50 59-page281
Page 2 of a document describing the detailed mechanism of a carburettor, including its coned spring, bell, and tubes for automatic air-fuel mixture control.1st May 1916Box 1 \ 7  B001_X15 20 46 50 59-page282
Patent application detailing the claims for a carburetter invention.1st May 1916Box 1 \ 7  B001_X15 20 46 50 59-page283
Complete specification drawing for a device by Godward, showing two cross-sectional views.13th Sep 1918Box 1 \ 7  B001_X15 20 46 50 59-page284
Patent specification for improvements in or relating to carburetors for internal combustion engines or motors.13th Sep 1918Box 1 \ 7  B001_X15 20 46 50 59-page285
Improvement in or relating to Carburettors for Internal Combustion Engines.11th Jun 1917Box 1 \ 7  B001_X15 20 46 50 59-page286
Complete specification drawing for a mechanical device by Jung & another, showing a cross-section and top view.17th Sep 1918Box 1 \ 7  B001_X15 20 46 50 59-page287
Patent specification for improvements to carburettors for internal combustion motors or engines.17th Sep 1918Box 1 \ 7  B001_X15 20 46 50 59-page288
Detailed description and claims for a carburettor's throttle and air inlet control mechanism.16th Aug 1917Box 1 \ 7  B001_X15 20 46 50 59-page289
Complete specification drawing showing multiple views and a cross-section of a carburettor assembly.21th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page290
Letter regarding a meeting at Conduit St. and a patent specification for a carburetter.21th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page291
The design and development of the 'Godward' Carburetter after a visit to the engineer at Kingston.26th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page292
Report assessing a new automatic carburetter with no sliding parts, detailing its performance on Ford and Buick vehicles.26th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page293
Evaluation of a carburetter's performance, discussing its design flaws and expressing low confidence in the manufacturer's capabilities.26th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page294
Third-party carburetter and the potential for improving the company's own design.26th Feb 1919Box 1 \ 7  B001_X15 20 46 50 59-page295
Cross-sectional diagram of a carburettor jet and air intake assembly.26th Apr 1917Box 1 \ 7  B001_X15 20 46 50 59-page296
Light blue cover sheet with a handwritten number.11th Aug 1931Box 1 \ 8  B001_X100 Engine Chassis-page001
The confidential sharing of original schemas for the 'Peregrine' and a Saloon Body.11th Aug 1931Box 1 \ 8  B001_X100 Engine Chassis-page002
Full-scale drawing of the 'Peregrine' engine, its bore size, and design modifications.14th Sep 1931Box 1 \ 8  B001_X100 Engine Chassis-page003
The revised quarter-scale layout (sch. 3344) and skeleton specification for the Peregrine 2 chassis.19th Sep 1931Box 1 \ 8  B001_X100 Engine Chassis-page004
Revised specification sheet for the Peregrine 2 model.19th Sep 1931Box 1 \ 8  B001_X100 Engine Chassis-page005
Specification sheet outlining design details and comparisons for various vehicle components, coachwork, and suggested stock bodies.19th Sep 1931Box 1 \ 8  B001_X100 Engine Chassis-page006
List and description of proposed special car body styles, including a sports saloon, open car, and coupe.22th Oct 1931Box 1 \ 8  B001_X100 Engine Chassis-page007


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