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                
Choose Archive


Browsing Records        Page 2079 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
DescriptionDateIdentifier
Experimental log sheet tracking mileage for a P+R BOH II-7 battery.1st Jul 1929Box 168b \ 3  img211
Electrical experimental record sheet tracking mileage and remarks for a battery test.1st May 1929Box 168b \ 3  img212
Electrical experimental record sheet for a battery, tracking mileage and usage dates.17th Jul 1929Box 168b \ 3  img213
Electrical experimental record sheet for a P&R BDHH-10 Battery, tracking mileage over several months.17th Jul 1929Box 168b \ 3  img214
Electrical experimental record sheet for a battery, tracking its usage, status, and mileage between 1928 and 1929.1st Jul 1929Box 168b \ 3  img215
Electrical experimental and road test log sheet tracking mileage for a P4RBDHIN1L battery.1st Jul 1929Box 168b \ 3  img216
Electrical experimental record sheet for battery no. 206.1st Jul 1929Box 168b \ 3  img217
Electrical experimental record sheet for a battery, tracking its location, dates, and remarks.1st Jul 1929Box 168b \ 3  img218
Letter to supplier Peto & Radford regarding recurring failures in 40/50 HP battery cells.2nd Jul 1929Box 168b \ 3  img219
Letter from supplier Peto & Radford regarding difficulty fulfilling an order for a new single-cell accumulator.8th Jul 1929Box 168b \ 3  img220
Letter to Messrs. Peto & Radford regarding a request for a sample cell and compartment mouldings.8th Jul 1929Box 168b \ 3  img221
Letter from Peto & Radford regarding the dispatch of a three-compartment battery for examination.15th Jul 1929Box 168b \ 3  img222
Test report on the performance and condition of a two-year-old battery.23th Jul 1929Box 168b \ 3  img223
Letter to Messrs. Peto & Radford providing feedback on a sample three-compartment moulded container and cell.6th Sep 1929Box 168b \ 3  img224
Inspection of one-piece three-compartment moulded battery containers from Exide and Peto & Radford Cos.7th Sep 1929Box 168b \ 3  img225
Letter from accumulator manufacturers Peto & Radford regarding suggestions for improvements to their latest batteries.9th Sep 1929Box 168b \ 3  img226
Arrangement to examine a pair of up-to-date grids used in a standard RRN11 battery.26th Sep 1929Box 168b \ 3  img227
Request for two brass tools, with a half-section sketch, for assembling battery lugs to lids on P & R 6-volt unit batteries.26th Sep 1929Box 168b \ 3  img228
Requesting the order of two different 6-volt batteries with specific modifications for comparative testing.26th Sep 1929Box 168b \ 3  img229
Letter from Peto & Radford regarding sending samples of unpasted grids for a new battery.1st Oct 1929Box 168b \ 3  img230
Inspection and return of a sample 6-volt P & R unit battery case and cell.1st Oct 1929Box 168b \ 3  img231
Corrosion issues with P&R RRNII batteries and a request to order ebonite collars.12th Oct 1929Box 168b \ 3  img232
Suggestions for preventing corrosion on terminal posts by using different materials and design modifications.12th Oct 1929Box 168b \ 3  img233
Proposal with a sketch for a design modification to prevent acid getting on terminals.15th Oct 1929Box 168b \ 3  img234
Letter to a battery supplier regarding corrosion on terminals caused by the omission of petroleum jelly.15th Oct 1929Box 168b \ 3  img235
Letter to Messrs. Peto & Radford suggesting design improvements to prevent corrosion, including a sketch.15th Oct 1929Box 168b \ 3  img236
Examination of sample grids for P4RRRNII batteries, with a sketch of the vertical rib.17th Oct 1929Box 168b \ 3  img237
Technical note on the design improvements of battery grids, specifically the horizontal bars and pitch.16th Oct 1929Box 168b \ 3  img238
Invoice from Peto & Radford for ebonite collars for batteries.16th Oct 1929Box 168b \ 3  img239
Letter to Messrs. Peto & Radford requesting instructions on how to fit ebonite rings.22th Oct 1929Box 168b \ 3  img240
Letter from a battery manufacturer discussing design alterations and missing parts for accumulators.26th Oct 1929Box 168b \ 3  img241
Letter from Peto & Radford regarding cell lid design and recommending solid lead inter-cell connectors to prevent corrosion.31th Oct 1929Box 168b \ 3  img242
Adoption of burnt up connections versus standard bolted connections for P & R Standard Phantom R.R. N11 batteries.31th Oct 1929Box 168b \ 3  img243
Request to order thicker antimonial lead terminal washers for P & R 40/50 HP batteries.31th Oct 1929Box 168b \ 3  img244
Letter to Messrs. Peto & Radford Ltd. regarding ebonite collars, terminals, and cell connections.1st Nov 1929Box 168b \ 3  img245
Cell connections, detailing why flexible connections are necessary due to the different thermal expansion rates of ebonite and lead.4th Nov 1929Box 168b \ 3  img246
Letter to Messrs. Peto & Radford discussing battery cell connection types for a Phantom model.18th Nov 1929Box 168b \ 3  img247
Letter from Peto & Radford regarding a drawing for an antimonial lead terminal washer.29th Nov 1929Box 168b \ 3  img248
Blueprint for a Lead Terminal Washer for 3.RRN.11.2nd Dec 1929Box 168b \ 3  img249
Letter to Messrs. Peto & Radford confirming a washer design is satisfactory for the 3.RRN.11 battery.2nd Dec 1929Box 168b \ 3  img250
Letter from supplier Peto & Radford confirming approval of drawing SK. 4791 for Antimonial Lead Washers.4th Dec 1929Box 168b \ 3  img251
Comparison of modifications between P & R and Exide N.S.I. 6-volt unit cell batteries.3rd Jan 1930Box 168b \ 3  img252
Letter to Peto & Radford regarding the testing of a new vent for a 6-volt Phantom II battery unit.31th Jan 1930Box 168b \ 3  img253
Letter to a supplier proposing a modification to the handle slots on 6-volt batteries for the Phantom II chassis.27th Jan 1930Box 168b \ 3  img254
Letter to Messrs. Peto & Radford regarding the fitment of batteries on two experimental cars.27th Jan 1930Box 168b \ 3  img255
The satisfactory initial status of a new type P&R moulded vent plug, with plans for a 10,000-mile test.30th Jan 1930Box 168b \ 3  img256
Of points from Mr. Minchin concerning 6-volt units, Phantom connections, battery vents, and 20 HP battery arrangement.1st Feb 1930Box 168b \ 3  img257
Requesting the return of a faulty P & R B.D.H.11 6-volt battery to the makers for repair.30th Jan 1930Box 168b \ 3  img258
Letter to Messrs. Peto & Radford regarding a suggested design alteration to a cell lid and to formalise objections.4th Feb 1930Box 168b \ 3  img259
Letter discussing burnt up versus bolted battery connections for the Phantom II chassis.4th Feb 1930Box 168b \ 3  img260
Letter concerning the design and manufacture of moulded battery containers for the Phantom II chassis.5th Feb 1930Box 168b \ 3  img261
Letter from Peto & Radford regarding a 10,000-mile test on a vent.5th Feb 1930Box 168b \ 3  img262
Concerns regarding acid spray and thread wear from remoulded Dagenite vent plugs during a 10,000-mile test.7th Feb 1930Box 168b \ 3  img263
Letter discussing modifications and potential corrosion issues for Phantom II batteries.7th Feb 1930Box 168b \ 3  img264
Note discussing the compromise between a brass thread and a wholly lead insert.10th Feb 1930Box 168b \ 3  img265
Letter from accumulator manufacturer Peto & Radford regarding objections to a proposed cell lid design modification.10th Feb 1930Box 168b \ 3  img266
Letter from Peto & Radford regarding the modification of accumulator assemblies for interchangeability.12th Feb 1930Box 168b \ 3  img267
Severe battery terminal corrosion on trials car 2-WJ, positing lack of ventilation as the cause.15th Feb 1930Box 168b \ 3  img268
Letter to The National Accumulator Co. Ltd. regarding battery specifications for the Phantom II chassis.20th Feb 1930Box 168b \ 3  img269
Suggestion to examine and replace lead coated brass washers on Peto & Radford Batteries for the Phantom II Chassis.22th Feb 1930Box 168b \ 3  img270
Complaint regarding corrosion on P & R battery terminals on a Phantom II chassis and the proposed rectification.22th Feb 1930Box 168b \ 3  img271
Correspondence from National Accumulator Company regarding the hold on a special 20 HP battery and a future order for a 6-volt unit.28th Feb 1920Box 168b \ 3  img272
Tenth report of the Design Committee discussing frame jellying, rear axle failure, and battery recharging capacity.5th Mar 1930Box 168b \ 3  img273
Electrical experimental record sheet tracking mileage of a battery component.19th Apr 1926Box 168b \ 3  img274
Electrical experimental record sheet tracking the mileage and testing of a P.R.B.D.H.U.1/3 battery.19th Apr 1926Box 168b \ 3  img275
Cracked 6-volt P & R batteries, concluding the cause was an incorrectly sized wedge, not a material defect.11th Mar 1930Box 168b \ 3  img276
Electrical experimental record sheet for a battery, tracking usage and mileage over time.14th Mar 1930Box 168b \ 3  img277
Electrical experimental record sheet tracking component usage and mileage from 1928 to 1930.14th Mar 1930Box 168b \ 3  img278
Covering letter returning papers and a maker's report on batteries for a Phantom II chassis.18th Mar 1930Box 168b \ 3  img279
Received P & R battery unit with burnt up connections for a 6-Volt Phantom II.20th Mar 1930Box 168b \ 3  img280
Test report on a P&R RRNII battery, detailing charge and discharge characteristics after road use.21th Mar 1930Box 168b \ 3  img281
Battery performance and test readings after a road run.21th Sep 1920Box 168b \ 3  img282
Test results for a R2-6RR11-1 battery, detailing mileage, bench life, and discharge performance.16th May 1930Box 168b \ 3  img283
Battery tests, detailing a fault, its cause, and a suggested modification.21th Jun 1930Box 168b \ 3  img284
The low and high rate discharge tests of a faulty electrical cell.3rd Jun 1930Box 168b \ 3  img285
Letter from accumulator manufacturer Peto & Radford proposing modifications to the design of battery grids and plates to reduce charging voltage.3rd Jun 1930Box 168b \ 3  img286
Request to examine a fractured tube that carries the battery from Mr. Royce's car.4th Jun 1930Box 168b \ 3  img287
Letter postponing a visit to discuss the design and testing of an improved battery plate grid.16th Jul 1930Box 168b \ 3  img288
Letter to Messrs. Peto & Radford regarding experiments with charging voltages and generator output.16th Jun 1930Box 168b \ 3  img289
Letter to Mr. C.C.F. Pritchett of Messrs. Pritchett & Gold and E.P.S. Co.Ltd.18th Jul 1930Box 168b \ 3  img290
Letter from an accumulator manufacturer regarding a modification to a plate design to lower charging voltage, proposing a meeting.23th Jun 1930Box 168b \ 3  img291
Letter to Messrs. Peto & Radford arranging a meeting with Mr. Fowler Clark.24th Jun 1930Box 168b \ 3  img292
Letter from Peto & Radford explaining a delay in a meeting about battery design due to staff unavailability.25th Jun 1930Box 168b \ 3  img293
Letter to Messrs. Peto & Radford postponing a proposed interview.25th Jun 1930Box 168b \ 3  img294
Extract from C.W. Hancock's report on battery and fittings performance on car 24-EX at 6,000 miles.20th Jul 1930Box 168b \ 3  img295
Requesting the outcome of a discussion regarding the reduction of charging voltage for batteries.28th Aug 1930Box 168b \ 3  img296
Short internal memorandum confirming that an interview has not yet taken place but will be arranged.6th Aug 1930Box 168b \ 3  img297
Extract from a report detailing the battery and fittings for a revised battery box to suit a cantilever suspension.18th Jun 1930Box 168b \ 3  img298
Log sheet detailing the testing and handling of battery part number 219.25th Aug 1930Box 168b \ 3  img299
Log sheet tracking the service history and mileage for a specific battery part.25th Aug 1930Box 168b \ 3  img300
Letter from Peto & Radford regarding issues with battery voltages and dual ignition systems.25th Sep 1930Box 168b \ 3  img301
Letter from accumulator manufacturer Peto & Radford concerning tests on new battery grid designs and arranging a meeting.1st Oct 1930Box 168b \ 3  img302
Letter to Mr. Pritchett arranging a visit to Dagenham Dock and requesting travel directions.6th Oct 1930Box 168b \ 3  img303
Letter from accumulator manufacturers Peto & Radford to E. Fowler-Clark, apologising for a delayed response and arranging a meeting.9th Oct 1930Box 168b \ 3  img304
Letter from Peto & Radford confirming a discussion about a modified 3-RRN11 battery design and a forthcoming sample.27th Oct 1930Box 168b \ 3  img305
Letter to a supplier regarding an order for modified Phantom II batteries and reporting on successful tests of a new vent plug.29th Oct 1930Box 168b \ 3  img306
Letter to Messrs. Peto & Radford concerning moulded battery containers for the 20/25 model.29th Oct 1930Box 168b \ 3  img307
Standardisation report for a moulded Dagenite vent plug for Phantom II batteries.31th Oct 1930Box 168b \ 3  img308
Letter from accumulator manufacturer Peto & Radford, regarding a sample 3-RRN11 battery being sent for testing.11th Nov 1930Box 168b \ 3  img309
Standardisation of the P & R moulded vent plug for two battery types.25th Nov 1930Box 168b \ 3  img310


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙