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 422 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
DescriptionDateIdentifier
Instruction sheet detailing the examination of a 2nd sample G.E.C. Condenser that broke down on 220 AC Volts.27th Oct 1919Box 34 \ 1  Scan127
Test results for a 3rd sample G.S.C. Condenser with soldered connections.27th Oct 1919Box 34 \ 1  Scan128
Instructions sheet detailing the test results and required modifications for a sample G.E.C. condenser.28th Oct 1919Box 34 \ 1  Scan129
Production procedure outlining the testing process for condensers.6th Nov 1919Box 34 \ 1  Scan130
Testing of sample condensers from G.E.CO. to investigate a breakdown issue related to screws.11th Nov 1919Box 34 \ 1  Scan131
Correspondence from Salford Electrical Instruments regarding the testing and quality issues of a returned condenser.8th Nov 1919Box 34 \ 1  Scan132
Forwarding a copy of a letter from The Salford Electrical Instruments Ltd. regarding a condenser.10th Nov 1919Box 34 \ 1  Scan133
Letter from a supplier regarding the testing and performance of a returned condenser.8th Nov 1919Box 34 \ 1  Scan134
Testing procedure for condensers from G.E. Co., highlighting that failures occur when tested with fixing screws.11th Nov 1919Box 34 \ 1  Scan135
Continued memo regarding an order for condensers and the testing of a new sample.11th Nov 1919Box 34 \ 1  Scan136
Instruction sheet detailing the testing results and further actions for a sample G.E.C. condenser.18th Nov 1919Box 34 \ 1  Scan137
Table logging the testing and specifications of G.E.C. sample condensers.19th Nov 1919Box 34 \ 1  Scan138
Testing sample condensers from G.E.C. and the rejection criteria based on a 'tickling' noise under high voltage.20th Nov 1919Box 34 \ 1  Scan139
Condenser manufacturing issues, specifically the drilling of bolt holes and suggestions for reducing scrap.20th Nov 1919Box 34 \ 1  Scan140
Modifications to jig plates for condensers and the return of specific units for verification.20th Nov 1919Box 34 \ 1  Scan141
Table logging test results for G.E.C. sample condensers.19th Nov 1919Box 34 \ 1  Scan142
Failure of a second sample condenser from the Salford Electrical Company and proposing a meeting to resolve the issue.24th Nov 1919Box 34 \ 1  Scan143
Instructions sheet detailing the test results and noise comparison of a sample G.E.C. condenser.25th Nov 1919Box 34 \ 1  Scan144
Report on a G.E.C. sample condenser, its noise characteristics, and arranging for a road test.25th Nov 1919Box 34 \ 1  Scan145
Requesting the return of a 12-volt chassis coil and enquiring about a special condenser for West Wittering.25th Nov 1919Box 34 \ 1  Scan146
Discrepancy in condenser thickness and the need to establish a manufacturing limit with G.E.C.26th Nov 1919Box 34 \ 1  Scan147
Instructing the Works to supply one standard Condensor for project X.2048.28th Nov 1919Box 34 \ 1  Scan148
Sending of a chassis condenser with clamping plates to Mr. Royce.1st Dec 1919Box 34 \ 1  Scan149
Requesting the despatch of a battery ignition condenser to Mr. Royce for experimental purposes.2nd Dec 1919Box 34 \ 1  Scan150
Instructing the shipping office to despatch an experimental condenser to Mr. Royce.2nd Dec 1919Box 34 \ 1  Scan151
The production testing and specifications of a condenser for battery ignition.12th Dec 1919Box 34 \ 1  Scan152
Confirming a sample G.E.C. condenser has been supplied for testing on an experimental car.4th Dec 1919Box 34 \ 1  Scan153
Instruction to fit a sample G.E.C. Condenser (No 6) to vehicle 49 GPB.5th Dec 1919Box 34 \ 1  Scan154
Confirming the fitting of a G.E.C. Co. condenser and fibre wiring tube to 49-GB.10th Dec 1919Box 34 \ 1  Scan155
Experimental parts fitted to specific chassis and a repaired condenser.10th Dec 1919Box 34 \ 1  Scan156
Instruction note regarding the capacity of a rebuilt R.R. 12 condenser and the manufacturing of a new one.18th Dec 1919Box 34 \ 1  Scan157
Instructions regarding the modification of a condenser by splitting it in half.11th Dec 1919Box 34 \ 1  Scan158
Internal instruction memo regarding the receipt and testing of two condensers.23th Dec 1919Box 34 \ 1  Scan159
To Mr. Clark detailing four types of condensers with special fittings for experimental purposes.1st Jan 1920Box 34 \ 1  Scan160
The production testing of condensers, specifically regarding the number of alternations of the alternating current.27th Jan 1920Box 34 \ 1  Scan161
Alternating current frequency for production testing of condensers.28th Jan 1920Box 34 \ 1  Scan162
Forwarding a letter from S.E.I.Co. regarding condenser tests, packing, and thickness.2nd Feb 1920Box 34 \ 1  Scan163
Letter from Salford Electrical Instruments Ltd. regarding a condenser order, noting discrepancies and suggesting solutions.12th Feb 1920Box 34 \ 1  Scan164
Requesting the urgent testing of 12 condensers received from the Salford Electrical Co.2nd Feb 1920Box 34 \ 1  Scan165
The mechanical issues and poor quality of Salford Electrical Condensers and their fittings.20th Feb 1920Box 34 \ 1  Scan166
Electrical examination and testing results for a dozen condensers supplied by the Salford Electrical Co.20th Feb 1920Box 34 \ 1  Scan167
The electrical and noise testing of various condensers.20th Feb 1920Box 34 \ 1  Scan168
Dispute with Salford Electrical Instruments Ltd. over the testing procedure for chassis condensers.23th Feb 1920Box 34 \ 1  Scan169
Letter from Salford Electrical Instruments Ltd. regarding a dispute over condenser testing specifications.21th Feb 1920Box 34 \ 1  Scan170
Letter from Salford Electrical Instruments Ltd. concerning discrepancies between submitted samples and drawings for metal parts.27th Feb 1920Box 34 \ 1  Scan171
Modifying the production testing procedure for condensers.27th Feb 1920Box 34 \ 1  Scan172
Multi-step testing and verification procedure for production condensers before they are encased.29th Sep 1919Box 34 \ 1  Scan173
Developing scheme for the production testing of condensers.28th Feb 1920Box 34 \ 1  Scan174
Cover note attaching a letter from Salford Electrical Instruments Ltd. concerning complaints about condensers.1st Mar 1920Box 34 \ 1  Scan175
Copy of a letter from Salford Electrical Instruments Ltd. regarding condensers and magnetos.26th Feb 1920Box 34 \ 1  Scan176
Production test procedure for condensers used in battery ignition systems.2nd Mar 1920Box 34 \ 1  Scan177
Continued page of testing procedures for a condenser.2nd Mar 1920Box 34 \ 1  Scan178
General description of apparatus and modified instructions for the production testing of condensers or battery ignition.2nd Mar 1920Box 34 \ 1  Scan179
Continued report on apparatus for condenser testing, discussing voltage regulation and magnetic components.2nd Mar 1920Box 34 \ 1  Scan180
The apparatus and connections for production testing of condensers for battery ignition.6th Aug 1919Box 34 \ 1  Scan181
Continued description of an electrical apparatus involving lamps, fuses, and a condenser.2nd Mar 1920Box 34 \ 1  Scan182
Wiring diagram for an apparatus used in the production testing of condensers with variable voltage.2nd Mar 1938Box 34 \ 1  Scan183
The testing and failure analysis of chassis condensers.3rd Mar 1920Box 34 \ 1  Scan184
Unsatisfactory condensers, addressing issues with stud screw size, thickness, and a request for scrap mica.3rd Mar 1920Box 34 \ 1  Scan185
Stud F.7374 and faulty condensers, detailing a new testing procedure and return instructions.17th Mar 1920Box 34 \ 1  Scan186
Extract from Mr. Maddock's report on the cause of badly pitted platinum points in a battery ignition system.17th Mar 1920Box 34 \ 1  Scan187
Causes of ignition failure due to faulty condensers.14th Apr 1920Box 34 \ 1  Scan188
To Mr. Clarke about a shipment of 106 Condensers from Salford Electrical Inst. Co Ltd. potentially held up by inspection.19th Mar 1920Box 34 \ 1  Scan189
Copy of a letter from The Salford Electrical Inst. Co Ltd. regarding a shipment of 106 condensers with a slight thickness variation.17th Mar 1920Box 34 \ 1  Scan190
Battery ignition trouble on a 2.EX car after a 10,000-mile run, caused by a faulty condenser connection.20th Apr 1920Box 34 \ 1  Scan191
Extract from a 10,000-mile test report on electrical parts, focusing on battery ignition issues.21th Apr 1920Box 34 \ 1  Scan192
Feedback on the performance of electrical parts on chassis 49-GB.27th Apr 1920Box 34 \ 1  Scan193
Issues with faulty battery ignition and condenser connection troubles.22th Jun 1920Box 34 \ 1  Scan194
Ongoing issues with loose nuts on later type condensers and the need for retrospective modifications.22th Jun 1920Box 34 \ 1  Scan195
Faulty battery ignition due to an imperfect condenser connection.23th Jun 1920Box 34 \ 1  Scan196
Faulty battery ignition and condenser troubles due to incorrect machining.26th Jun 1920Box 34 \ 1  Scan197
Reliability improvements of chassis condensers, comparing die-cast and sand-cast casings.28th Jun 1920Box 34 \ 1  Scan198
Calculation of capacity of condenser.10th Nov 1930Box 34 \ 1  Scan199
Table listing condenser milli-amperes and capacities.10th Nov 1920Box 34 \ 1  Scan200
Complaints regarding the condenser cover and proposing design changes to prevent bolts from chafing plates.22th Nov 1920Box 34 \ 1  Scan201
Letter concerning the supply of tungsten contacts for testing and issues with pitting on platinum contacts.9th Dec 1920Box 34 \ 1  Scan202
Continued memo suggesting experimentation with enclosed contacts for a Mr. Clark.9th Dec 1920Box 34 \ 1  Scan203
Use of Bakelite impregnation for various electrical components like coils, armatures, generators, and condensers.21th Dec 1920Box 34 \ 1  Scan204
Technical discussion comparing Mica and Bakelite for condensers and commutators, and notes on electrical connections.21th Dec 1920Box 34 \ 1  Scan205
Proposal to modify the condenser studs and nuts on the 40/50 chassis to prevent mica damage and improve the earth connection.4th Feb 1921Box 34 \ 1  Scan206
Letter from Dubilier Condenser Co. Ltd. regarding an abnormal number of condenser failures.7th Feb 1921Box 34 \ 1  Scan207
Revised production test for battery ignition condensers due to failures and changes to the testing system.19th Feb 1921Box 34 \ 1  Scan208
Production test procedure for a condenser used in a battery ignition system.9th Feb 1921Box 34 \ 1  Scan209
Test procedure for a condenser, specifying limits for capacity current and static charge capability.9th Feb 1921Box 34 \ 1  Scan210
Postponing the testing of condensers from the Dubilier Condenser Company until their representative can visit.10th Feb 1921Box 34 \ 1  Scan211
Arranging a visit from a supplier to investigate condenser breakdowns.12th Feb 1921Box 34 \ 1  Scan212
Condenser testing procedures and failure rates with a Mr. Goodman.15th Feb 1921Box 34 \ 1  Scan213
The modification of voltage tests for condensers, referencing the Dubilier Company.15th Feb 1921Box 34 \ 1  Scan214
Increase in failures of 'Dubilier' brand condensers for the chassis battery ignition system.17th Feb 1921Box 34 \ 1  Scan215
Capacity of condensers supplied from an outside source.21th Feb 1921Box 34 \ 1  Scan216
High failure rate of condensers for battery ignition systems supplied by the Dubilier Company.22th Feb 1921Box 34 \ 1  Scan217
Failure of Dubilier chassis condensers and requesting the creation of a new test to ensure reliability.24th Feb 1921Box 34 \ 1  Scan218
Supply of condensers, a meeting with General Electric Co., and the potential for in-house production.1st Mar 1921Box 34 \ 1  Scan219
Test failures and the need for a special checking method for Dubilier Condensers.8th Mar 1921Box 34 \ 1  Scan220
10% testing procedure for condensers to ensure their reliability before being fitted to a chassis.19th May 1920Box 34 \ 1  Scan221
Test procedure for 12 Dubilier made condensers to overcome failures on chassis after production tests.10th Mar 1921Box 34 \ 1  Scan222
Continuation of a test procedure for condensers, outlining further treatment and reserve units.10th Dec 1929Box 34 \ 1  Scan223
Receipt of 12 Dubilier make condensers from the Test Department for special tests, listing their serial numbers and groups.7th Mar 1921Box 34 \ 1  Scan224
Instructions for a special test of Dubilier-made condensers.18th Mar 1919Box 34 \ 1  Scan225
Instruction sheet detailing the results of endurance tests performed on different groups of condensers.24th Jan 1919Box 34 \ 1  Scan226


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