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).
Rolls-Royce Experimental Archives                
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DescriptionDateIdentifier
Graphical chart recording an electrical test, displaying amperage over time.4th Sep 1928Box 54 \ 1  Scan299
Tests conducted on SU and SV batteries, detailing cell configuration and discharge results.6th Sep 1928Box 54 \ 1  Scan300
Instructions and results for a high-rate discharge test on battery cells through a constant external resistance.8th Dec 1924Box 54 \ 1  Scan301
Instruction sheet detailing the failure analysis of a P&R battery cell.3rd Oct 1928Box 54 \ 1  Scan302
Electrical experimental record sheet for a P&R & Exide Sandwich battery.3rd Oct 1928Box 54 \ 1  Scan303
Electrical experimental record sheet for a P & R & Cside Sandwich Battery.3rd Oct 1928Box 54 \ 1  Scan304
Investigation into the failure of a P&R battery cell due to the stretching of positive plates.3rd Oct 1928Box 54 \ 1  Scan305
Letter to Peto & Radford concerning P & R cell failures in sandwich batteries.5th Oct 1928Box 54 \ 1  Scan306
The failure of a P & R cell in an S4 battery (157) during a bench life test.3rd Oct 1928Box 54 \ 1  Scan307
The failure of a P & R cell in an SX battery after 13,787 miles.3rd Oct 1928Box 54 \ 1  Scan308
Letter from Peto & Radford concerning modifications to future Sandwich batteries based on recent tests.9th Oct 1928Box 54 \ 1  Scan309
Letter to Messrs. Peto & Radford regarding reporting failures of Sandwich Batteries.10th Oct 1928Box 54 \ 1  Scan310
Instruction sheet regarding the failure and replacement of a battery cell.19th Oct 1928Box 54 \ 1  Scan311
Graph chart showing the results of an electrical test, likely a battery discharge curve, with handwritten calculations.25th Oct 1928Box 54 \ 1  Scan312
Test report on an S1 battery after extended bench testing and road use.26th Oct 1928Box 54 \ 1  Scan313
Instructions regarding the failure of a P&R battery cell due to sediment accumulation.12th Nov 1928Box 54 \ 1  Scan314
Instruction sheet detailing the failure of a P&R S2 battery cell after a bench life test.12th Nov 1928Box 54 \ 1  Scan315
Letter to a supplier discussing battery cell failures and test results.1st Jan 1929Box 54 \ 1  Scan316
Letter to The C.E.S. Co. about the performance of Exide type 40/50 batteries in tests and on customer cars.11th Jun 1925Box 54 \ 1  Scan317
Experimental record chart for a PaR & Goude Sandwich Battery, detailing dates, locations, tests, and mileage.11th Jun 1925Box 54 \ 1  Scan318
Electrical experimental record sheet for a Sandwich Battery S2 (155) E+ Exide box.16th Feb 1927Box 54 \ 1  Scan319
Electrical experimental record sheet tracking the testing and usage of a Sandwich Battery.19th Apr 1926Box 54 \ 1  Scan320
Failed battery cell on car 10-EX and a request to access the battery box.10th Jan 1929Box 54 \ 1  Scan321
Letter to Peto & Radford regarding failures of P & R. cells in sandwich batteries, referencing attached reports.17th Jan 1929Box 54 \ 1  Scan322
The failure of two P & R battery cells, detailing mileage, age, and condition upon dismantling.16th Jan 1929Box 54 \ 1  Scan323
Letter from accumulator manufacturers Peto & Radford acknowledging receipt of a letter with reports.18th Jan 1929Box 54 \ 1  Scan324
Letter to Messrs. Peto & Radford concerning the cracking and leakage of Dagenite battery cells.26th Feb 1929Box 54 \ 1  Scan325
Letter from accumulator manufacturer Peto & Radford regarding cracked Dagenite cells.27th Feb 1929Box 54 \ 1  Scan326
Instruction sheet detailing the cause of a P&R battery cell failure after extensive road and bench testing.15th Apr 1929Box 54 \ 1  Scan327
Instruction sheet detailing an inspection and condition of positive plates.12th Aug 1924Box 54 \ 1  Scan328
Graphical chart recording the performance test of a Sandwich Battery.27th Nov 1925Box 54 \ 1  Scan329
Graph chart displaying test results with handwritten annotations.1st Jun 1926Box 54 \ 1  Scan330
Chart recording the results of an electrical test, likely a battery discharge, over an 8-hour period.17th Mar 1927Box 54 \ 1  Scan331
Battery discharge test chart showing average amperes, hours, and total ampere-hours.7th Jan 1926Box 54 \ 1  Scan332
Chart recording of an electrical test, showing amperage over time with calculated values.5th Mar 1928Box 54 \ 1  Scan333
Chart recording of a battery discharge test comparing P&R and Exide cells.30th Jun 1925Box 54 \ 1  Scan334
Battery discharge test graph comparing P&R cells with Exide cells.7th Jul 1925Box 54 \ 1  Scan335
Chart recording from a Megger instrument showing the results of an electrical test.17th Nov 1926Box 54 \ 1  Scan336
Performance graph with handwritten test result calculations.20th Sep 1927Box 54 \ 1  Scan337
The failure of a P&R cell in an SX battery after testing.20th Jun 1929Box 54 \ 1  Scan338
The life and performance tests of an SX Battery (159).11th Jul 1929Box 54 \ 1  Scan339
Battery cell's mileage and bench life test duration.22th Jul 1929Box 54 \ 1  Scan340
Low and high rate discharge tests and life tests performed on SU and SV batteries.22th Jul 1929Box 54 \ 1  Scan341
Chart recording an electrical test measuring amperes over time.19th Jul 1929Box 54 \ 1  Scan342
Electrical experimental record sheet for a 12V Reboudé Sandwirl battery.14th Apr 1927Box 54 \ 1  Scan343
Electrical experimental record sheet for a P & R & Exide Sandwich Battery test.19th Apr 1926Box 54 \ 1  Scan344
Log sheet tracking the usage and failure of a P&R+Exide Sandwich Battery.18th Sep 1929Box 54 \ 1  Scan345
Failure analysis report on an Exide battery cell after a bench life test.13th Aug 1929Box 54 \ 1  Scan346
The failure analysis of a P&R battery cell following extensive road and bench testing.18th Sep 1929Box 54 \ 1  Scan347
Electrical experimental record sheet for a P+R+ Exide Sandwich Battery and P+R Box.18th Apr 1927Box 54 \ 1  Scan348
Electrical experiment record sheet for a P&R & C Exide Sandwich Battery S1(154), page 2.16th Jan 1929Box 54 \ 1  Scan349
Electrical experimental record sheet for battery S1 (154), page 3.13th Nov 1929Box 54 \ 1  Scan350
The failure analysis of cell No. 4 in an SX Exide battery after a life test.28th Feb 1930Box 54 \ 1  Scan351
The failure of slotted ebonite separators and a proposed superior circular hole perforated design.27th Mar 1930Box 54 \ 1  Scan352
Electrical experimental record sheet for an S.V. Battery (177) detailing tests and outcomes from 1926 to 1930.27th Mar 1930Box 54 \ 1  Scan353
Electrical experimental record sheet for an SU Battery (176), page 2.27th Mar 1930Box 54 \ 1  Scan354
Experimental record sheet detailing the testing and usage of an SV Battery (176).17th Jul 1929Box 54 \ 1  Scan355
Failure of a P&R cell in an SV Battery during a bench life test.27th Mar 1930Box 54 \ 1  Scan356
The failure of a cell in an SV battery, detailing its service history and the condition of its components.15th Apr 1930Box 54 \ 1  Scan357
Note on a failure caused by stretching positive plates and shorting on negative straps.24th Apr 1930Box 54 \ 1  Scan358
Test results for an SX Battery (157), detailing bench life, low-rate, and high-rate discharge performance.24th Apr 1930Box 54 \ 1  Scan359
Failure report on an SX Battery where the positive terminal post has pulled out.29th Apr 1930Box 54 \ 1  Scan360
The condition of cell components after a 26-month bench life test.29th Apr 1930Box 54 \ 1  Scan361
Outlining decisions on the 40/50 chassis battery, including adopting Exide's proposals and arranging a future conference.28th Nov 1923Box 54 \ 2  Scan001
Recommending the compulsory use of ebonite separators in the 20 HP P & R battery.28th Nov 1923Box 54 \ 2  Scan002
Standardisation of 40/50 and 20 HP batteries.30th Nov 1923Box 54 \ 2  Scan003
New battery proposals, the postponement of a conference due to illness, and ebonite separators.7th Dec 1923Box 54 \ 2  Scan004
Secret memo discussing the fixed dimensions for batteries and their boxes for the 40/50 & E.A.C. car models.20th Dec 1923Box 54 \ 2  Scan005
Query regarding proposed battery dimensions for the E.A.C. chassis and 40/50 cars.20th Dec 1923Box 54 \ 2  Scan006
Secret internal memorandum discussing battery options and fitting issues for 40/50 & E.A.C. models.1st Jan 1924Box 54 \ 2  Scan007
Fitment of P & R and Exide batteries in a car frame.11th Aug 1920Box 54 \ 2  Scan008
Correcting an error where the dimensions for a Goshawk battery were given instead of those for the 40/50 model.25th Jan 1924Box 54 \ 2  Scan009
Correspondence regarding battery dimensions and capacity for a 40/50 HP Chassis.25th Jan 1924Box 54 \ 2  Scan010
Forwarding a letter from the Chloride Electrical Storage Co. Ltd. regarding lug terminals on batteries for the 40/50 HP Chassis.28th Jan 1924Box 54 \ 2  Scan011
Letter from a battery supplier discussing dimensions and terminal specifications for a 40/50 HP chassis.25th Jan 1924Box 54 \ 2  Scan012
Continuation page of a letter from The Chloride Electrical Storage Company Ltd. concerning battery cell patterns.25th Jan 1924Box 54 \ 2  Scan013
Specification for an 'Exide' battery for 40/50 HP cars.25th Jan 1924Box 54 \ 2  Scan014
Correspondence regarding battery specifications, dimensions, and quotations for the 40/50 HP Chassis.31th Jan 1924Box 54 \ 2  Scan015
Battery delivery timelines and a required decision on terminal design.31th Jan 1924Box 54 \ 2  Scan016
Confirming a letter was sent to battery suppliers regarding the 40/50 HP Chassis.1st Feb 1924Box 54 \ 2  Scan017
Letter to The Chloride Electrical Storage Co. Ltd. about modifying battery terminal specifications for the 40/50 HP Chassis.1st Feb 1924Box 54 \ 2  Scan018
Altering the 40/50 chassis battery specification to ensure terminals are identical and interchangeable.2nd Feb 1924Box 54 \ 2  Scan019
Confirming the price of batteries for the 40/50 HP chassis from supplier Peto & Radford.4th Feb 1924Box 54 \ 2  Scan020
Final details and manufacturing approval for the new 40/50 HP chassis battery.5th Feb 1924Box 54 \ 2  Scan021
Letter regarding correspondence with Chloride Co. and Peto & Radford about battery cell terminals for the 40/50 HP Chassis.13th Feb 1924Box 54 \ 2  Scan022
Copy of a letter from Peto and Radford to Rolls Royce regarding battery connection specifications and issues.12th Feb 1924Box 54 \ 2  Scan023
Battery connection issues on the 40/50 and 20HP chassis, proposing to adopt the 40/50 scheme on the 20HP.14th Feb 1924Box 54 \ 2  Scan024
Retaining the existing bolted cell-to-cell connections for new P. & R. and Exide batteries on the 40/50 HP model.14th Feb 1924Box 54 \ 2  Scan025
Specification No. 301 for a 40/50 HP chassis lighting and starting 12-volt battery.8th Mar 1924Box 54 \ 2  Scan026
Specifications for a battery, including its case, weight, and the dimensions of its cells.8th Mar 1924Box 54 \ 2  Scan027
Page detailing specifications for battery cells, their layout, terminals, and connections, including a diagram.8th Mar 1924Box 54 \ 2  Scan028
Specifications for battery cell sealing compound and plate grids.8th Mar 1924Box 54 \ 2  Scan029
Technical specifications for the design of car batteries, covering components and operational considerations.1st Mar 1924Box 54 \ 2  Scan030
Request to obtain three standard 40/50 batteries for the Experimental Department.11th Jun 1924Box 54 \ 2  Scan031
Confirming the acquisition and transfer of new Exide and P & R batteries for 40/50 HP models.16th Jun 1924Box 54 \ 2  Scan032
Battery availability and replacement options for 40/50 chassis.12th Jul 1924Box 54 \ 2  Scan033
The weight of the new standardized 40/50 battery.14th Jan 1924Box 54 \ 2  Scan034
Correspondence concerning battery specifications and a discrepancy in cell height for 20HP and 40/50HP models.21th Jul 1924Box 54 \ 2  Scan035
Extract from a letter regarding revised specifications for batteries.18th Jul 1924Box 54 \ 2  Scan036
Letter providing comments on specifications, particularly regarding sealing compound.30th Jul 1924Box 54 \ 2  Scan037


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