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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Results of battery tests and a request to arrange the supply of a high rate discharge battery from Peto & Radford.11th Jun 1920Box 38 \ 5  Scan081
Letter quoting a price and lead time for a high discharge battery from Peto & Radford.23th Jun 1920Box 38 \ 5  Scan082
Urgent internal memo regarding the dispatch of light batteries for a boat to Messrs. Saunders.28th Jul 1920Box 38 \ 5  Scan083
Urging the immediate dispatch of lightweight batteries for a Saunders motor boat.29th Jul 1920Box 38 \ 5  Scan084
Preparation and despatch of P & R lightweight batteries for a Saunders Motor Boat (Maple Leaf Condor).29th Jul 1920Box 38 \ 5  Scan085
Expressing caution over using new 'Maple Leaf' lightweight batteries for the Condor engine, comparing them to a known Chloride battery.30th Jul 1920Box 38 \ 5  Scan086
Instruction sheet regarding the testing of a special P&R battery issued from stores.9th Aug 1920Box 38 \ 5  Scan087
Form for logging the routine treatment and testing of a car lighting and starting battery.11th Aug 1920Box 38 \ 5  Scan088
Battery test log detailing charging, density readings, and discharge performance.18th Aug 1920Box 38 \ 5  Scan089
Test results page detailing cell densities, charge, and discharge characteristics.31th Aug 1920Box 38 \ 5  Scan090
Test report detailing cell densities and charge measurements over a period of time.31th Aug 1920Box 38 \ 5  Scan091
Letter from battery supplier Peto & Radford comparing the performance of thin and thick plate batteries.14th Aug 1920Box 38 \ 5  Scan092
Extract discussing battery failures and the testing of a new P & R type battery on experimental cars.6th Sep 1920Box 38 \ 5  Scan093
From L.F. to Mr. Clark regarding the examination of battery plates from Willard, P & R, and Tudor.7th Sep 1920Box 38 \ 5  Scan094
Follow-up letter from Peto & Radford regarding the testing of a high discharge lighting and starting battery.14th Sep 1920Box 38 \ 5  Scan095
Good and bad points of a P&R H.D E 13 battery.16th Sep 1920Box 38 \ 5  Scan096
Issues with fragile porcelain vent plugs and acid spraying from a gassing battery.24th Jan 1919Box 38 \ 5  Scan097
Letter to Messrs. Peto & Radford postponing a report on the test of an H.D.13 battery.24th Sep 1920Box 38 \ 5  Scan098
The testing and characteristics of Battery No.40 from Peto & Radford, HDE13.6th Oct 1920Box 38 \ 5  Scan099
Extract from a memo detailing the progress of various batteries intended for use in experimental cars.13th Oct 1920Box 38 \ 5  Scan100
Query regarding the performance results of test batteries made by Peto & Radford, and a comparison to Chloride batteries.17th Dec 1920Box 38 \ 5  Scan101
Performance of four experimental Peto & Radford batteries, noting particularly poor results from battery No.14.18th Dec 1920Box 38 \ 5  Scan102
The performance and testing of various car batteries, including high rate discharge tests.18th Dec 1920Box 38 \ 5  Scan103
The establishment of a vibration test for batteries.18th Dec 1920Box 38 \ 5  Scan104
Letter regarding the trial of a No. 14 Peto & Radford battery on an Open Trials car to assess its life.22th Dec 1920Box 38 \ 5  Scan105
The supply of a Peto & Radford battery and the testing of other experimental parts.31th Dec 1920Box 38 \ 5  Scan106
Batteries for test cars, confirming one has been collected and another requires a new lid.1st Jan 1921Box 38 \ 5  Scan107
Notification of a P & R HDE 13 battery being fitted to the Instruction School Car.4th Jan 1921Box 38 \ 5  Scan108
Letter requesting an outside battery case and declining certain electrical components like Tungsten points or a Bleriot cut-out.6th Jan 1921Box 38 \ 5  Scan109
Request to the Pattern Shop to create a custom battery box for a P & R battery for a trials car.7th Jan 1921Box 38 \ 5  Scan110
The provision and testing of batteries and other electrical components.17th Jan 1921Box 38 \ 5  Scan111
Dispatch of a Peto & Radford battery for testing on a trials car.19th Jan 1921Box 38 \ 5  Scan112
The performance of a Smith dynamo and Peto Radford battery on a Trials car and Open Touring car.13th Apr 1921Box 38 \ 5  Scan113
Requesting feedback on the performance of a Peto & Radford PDL.9 battery.19th Apr 1921Box 38 \ 5  Scan114
Requesting feedback on the performance of a Peto & Radford HDE.13 battery fitted to a Demonstration Car.19th Apr 1921Box 38 \ 5  Scan115
Short memo confirming the effective performance of a Peto & Radford battery.20th Apr 1921Box 38 \ 5  Scan116
The excellent performance of a P & R PDL9 battery fitted to PN's car.10th Aug 1921Box 38 \ 5  Scan117
Requesting a performance report on a P & R Battery Type BDE.13 fitted to a School Car.10th Aug 1921Box 38 \ 5  Scan118
The condition of batteries in a demonstration car after 15,000 miles of use.9th Aug 1921Box 38 \ 5  Scan119
The performance and service testing of Peto & Radford batteries.12th Aug 1921Box 38 \ 5  Scan120
Technical memo comparing the performance, efficiency, weight, and capacity of different car batteries.12th Aug 1921Box 38 \ 5  Scan121
Comparison of C.A.V-Willard and U.S.A. Willard batteries, with a discussion on the efficiency and life of Exide cells.12th Aug 1921Box 38 \ 5  Scan122
The electrical efficiency and mechanical features of Peto & Radford batteries.24th Aug 1921Box 38 \ 5  Scan123
Comparing the performance of Peto & Radford batteries against competitors like Exide.25th Aug 1921Box 38 \ 5  Scan124
Performance and mechanical features of car batteries, focusing on corrosion issues.25th Aug 1921Box 38 \ 5  Scan125
Clarification on a previous memo concerning Peto & Radford Batteries and a brass washer.27th Aug 1921Box 38 \ 5  Scan126
Confidential memo discussing the performance of various storage batteries and recommending further testing of the Peto & Radford brand.30th Aug 1921Box 38 \ 5  Scan127
Continued memorandum listing desired features for batteries, prioritizing durability and charge retention.30th Aug 1921Box 38 \ 5  Scan128
Letter to Messrs. Peto & Radford regarding the performance of two types of lighting and starting batteries.2nd Sep 1921Box 38 \ 5  Scan129
Performance of two batteries and inquiring about ordering new ones from Peto & Radford.2nd Sep 1921Box 38 \ 5  Scan130
Letter discussing the choice between two types of batteries.5th Sep 1921Box 38 \ 5  Scan131
Peto & Radford batteries and the procurement of a C.A.V-Willard battery for the Goshawk experimental car.5th Sep 1921Box 38 \ 5  Scan132
Letter from an accumulator manufacturer discussing improvements to their batteries.6th Sep 1921Box 38 \ 5  Scan133
Letter from Peto & Radford comparing H.D.E. and P.D.L. battery performance and proposing a field test.1st Jul 1921Box 38 \ 5  Scan134
Letter discussing the return of Peto & Radford batteries for examination.7th Sep 1921Box 38 \ 5  Scan135
The trial of a C.A.V-Willard threaded rubber battery on a demonstration car.14th Sep 1921Box 38 \ 5  Scan136
Replacement of a P&R battery with a Tudor battery for a car, including logistical arrangements.15th Sep 1921Box 38 \ 5  Scan137
Instructions to replace a P & R battery with a standard battery on vehicle 81-TW and noting remarks on the 'Tudor' battery.16th Sep 1921Box 38 \ 5  Scan138
Instruction sheet regarding the performance of car batteries for a demonstration car.14th Sep 1921Box 38 \ 5  Scan139
Return of a Peto & Radford battery from a demonstration car for examination.19th Sep 1921Box 38 \ 5  Scan140
Letter to Messrs. Peto & Radford Co. Ltd. regarding the return of experimental P & R batteries for examination.19th Sep 1921Box 38 \ 5  Scan141
Letter from accumulator manufacturer Peto & Radford regarding the receipt and examination of lighting and starting batteries.21th Sep 1921Box 38 \ 5  Scan142
Letter to Peto & Radford Co. Ltd. regarding the supply of experimental batteries for a new small car.26th Sep 1921Box 38 \ 5  Scan143
Sourcing of Peto & Radford and Lucas batteries for the Goshawk model, following an issue with a C.A.V. Willard battery.26th Sep 1921Box 38 \ 5  Scan144
Letter from Peto & Radford discussing specifications for a smaller 12-volt battery.27th Sep 1921Box 38 \ 5  Scan145
Letter from Peto & Radford discussing battery connection options and a patent duplex bolt arrangement for mounting cells.28th Sep 1921Box 38 \ 5  Scan146
Letter to The Peto & Radford Acc. Co.Ltd. regarding 12-volt battery specifications and alterations.28th Sep 1921Box 38 \ 5  Scan147
Peto & Radford battery for the Goshawk model and associated battery box modifications.28th Sep 1921Box 38 \ 5  Scan148
Telephone call from Peto and Radford about sending a battery for examination and comparison.30th Sep 1921Box 38 \ 5  Scan149
The dispatch of a P & R battery and a potential inspection.1st Oct 1921Box 38 \ 5  Scan150
Report from Peto & Radford on the condition of P.D.L.9 batteries.8th Oct 1921Box 38 \ 5  Scan151
Report from Peto & Radford on the examination and condition of various batteries.8th Oct 1921Box 38 \ 5  Scan152
Letter from Peto & Radford detailing improvements to batteries and recommending specific models.8th Oct 1921Box 38 \ 5  Scan153
Letter from Peto & Radford regarding improvements to the 'Bull Dog' type product.8th Oct 1921Box 38 \ 5  Scan154
Acquisition and specifications of Peto & Radford batteries for the Goshawk project.10th Oct 1921Box 38 \ 5  Scan155
The examination of Peto & Radford batteries, recommending a new 'Bull Dog' type for testing and standardisation.10th Oct 1921Box 38 \ 5  Scan156
Battery design, specifically the ratio of acid volume to plate volume.10th Oct 1921Box 38 \ 5  Scan157
Experimentally ordering P & R 'BULL DOG' type B.D.11 batteries for potential standardisation.11th Oct 1921Box 38 \ 5  Scan158
Copy of a letter from Peto & Radford clarifying specifications for a quote on 'Bull Dog' batteries.13th Oct 1921Box 38 \ 5  Scan159
Outlining preferences for the design and installation of P & R Type BD.11 batteries.18th Oct 1921Box 38 \ 5  Scan160
Mr. Royce's decisions on sourcing and specifying batteries for the Goshawk II chassis.18th Oct 1921Box 38 \ 5  Scan161
Letter to Peto & Radford discussing the specifications and potential order for a small size 12-volt battery.19th Oct 1921Box 38 \ 5  Scan162
Copy of a letter from Peto & Radford concerning the dimensions and price of small size batteries.21th Oct 1921Box 38 \ 5  Scan163
Internal memorandum regarding the procurement and testing of new batteries for experimental chassis.24th Oct 1921Box 38 \ 5  Scan164
Ordering and trying out experimental batteries for the 'Goshawk' project.24th Oct 1921Box 38 \ 5  Scan165
The procurement and short-notice availability of C.A.V. Willard and P & R batteries.24th Oct 1921Box 38 \ 5  Scan166
Confirming arrangements for a modified battery box for the Goshawk to accommodate a Peto & Radford battery.24th Oct 1921Box 38 \ 5  Scan167
Letter to Messrs. Peto & Radford about modifying a battery box and ordering two small size batteries.25th Oct 1921Box 38 \ 5  Scan168
Letter from Peto & Radford concerning an increase in the dimensions for a small size battery.27th Oct 1921Box 38 \ 5  Scan169
Letter from Peto & Radford confirming revised dimensions for a small size battery, further to previous correspondence.29th Oct 1921Box 38 \ 5  Scan170
Extract from a letter received from Peto & Radford regarding the shipment of batteries.12th Nov 1921Box 38 \ 5  Scan171
Peto & Radford batteries for the Goshawk, with a cross-reference to another file.14th Nov 1921Box 38 \ 5  Scan172
Typed letter to Messrs. Peto & Radford regarding the arrangement of a visit.21th Nov 1921Box 38 \ 5  Scan173
Record of tests and usage for battery number 14, type P & R PDL9E.26th Sep 1921Box 38 \ 5  Scan174
Battery record log tracking service, mileage, and performance for battery number 40.6th Sep 1920Box 38 \ 5  Scan175
The receipt of three type BD11 batteries suitable for the 40/50 model.24th Nov 1921Box 38 \ 5  Scan176
Routine treatment, charging, and discharging tests of a car battery.24th Nov 1921Box 38 \ 5  Scan177
Chart recording from a 'Megger' electrical insulation test.9th Dec 1921Box 38 \ 5  Scan178
Battery charging, density readings, and performance measurements.9th Dec 1921Box 38 \ 5  Scan179
Chart recording of an electrical test with handwritten calculations for amperes and ampere-hours.9th Dec 1921Box 38 \ 5  Scan180


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