| Description | Date | Identifier | |
| Instruction sheet detailing the examination of a 2nd sample G.E.C. Condenser that broke down on 220 AC Volts. | 27th Oct 1919 | Box 34 \ 1 Scan127 | |
| Test results for a 3rd sample G.S.C. Condenser with soldered connections. | 27th Oct 1919 | Box 34 \ 1 Scan128 | |
| Instructions sheet detailing the test results and required modifications for a sample G.E.C. condenser. | 28th Oct 1919 | Box 34 \ 1 Scan129 | |
| Production procedure outlining the testing process for condensers. | 6th Nov 1919 | Box 34 \ 1 Scan130 | |
| Testing of sample condensers from G.E.CO. to investigate a breakdown issue related to screws. | 11th Nov 1919 | Box 34 \ 1 Scan131 | |
| Correspondence from Salford Electrical Instruments regarding the testing and quality issues of a returned condenser. | 8th Nov 1919 | Box 34 \ 1 Scan132 | |
| Forwarding a copy of a letter from The Salford Electrical Instruments Ltd. regarding a condenser. | 10th Nov 1919 | Box 34 \ 1 Scan133 | |
| Letter from a supplier regarding the testing and performance of a returned condenser. | 8th Nov 1919 | Box 34 \ 1 Scan134 | |
| Testing procedure for condensers from G.E. Co., highlighting that failures occur when tested with fixing screws. | 11th Nov 1919 | Box 34 \ 1 Scan135 | |
| Continued memo regarding an order for condensers and the testing of a new sample. | 11th Nov 1919 | Box 34 \ 1 Scan136 | |
| Instruction sheet detailing the testing results and further actions for a sample G.E.C. condenser. | 18th Nov 1919 | Box 34 \ 1 Scan137 | |
| Table logging the testing and specifications of G.E.C. sample condensers. | 19th Nov 1919 | Box 34 \ 1 Scan138 | |
| Testing sample condensers from G.E.C. and the rejection criteria based on a 'tickling' noise under high voltage. | 20th Nov 1919 | Box 34 \ 1 Scan139 | |
| Condenser manufacturing issues, specifically the drilling of bolt holes and suggestions for reducing scrap. | 20th Nov 1919 | Box 34 \ 1 Scan140 | |
| Modifications to jig plates for condensers and the return of specific units for verification. | 20th Nov 1919 | Box 34 \ 1 Scan141 | |
| Table logging test results for G.E.C. sample condensers. | 19th Nov 1919 | Box 34 \ 1 Scan142 | |
| Failure of a second sample condenser from the Salford Electrical Company and proposing a meeting to resolve the issue. | 24th Nov 1919 | Box 34 \ 1 Scan143 | |
| Instructions sheet detailing the test results and noise comparison of a sample G.E.C. condenser. | 25th Nov 1919 | Box 34 \ 1 Scan144 | |
| Report on a G.E.C. sample condenser, its noise characteristics, and arranging for a road test. | 25th Nov 1919 | Box 34 \ 1 Scan145 | |
| Requesting the return of a 12-volt chassis coil and enquiring about a special condenser for West Wittering. | 25th Nov 1919 | Box 34 \ 1 Scan146 | |
| Discrepancy in condenser thickness and the need to establish a manufacturing limit with G.E.C. | 26th Nov 1919 | Box 34 \ 1 Scan147 | |
| Instructing the Works to supply one standard Condensor for project X.2048. | 28th Nov 1919 | Box 34 \ 1 Scan148 | |
| Sending of a chassis condenser with clamping plates to Mr. Royce. | 1st Dec 1919 | Box 34 \ 1 Scan149 | |
| Requesting the despatch of a battery ignition condenser to Mr. Royce for experimental purposes. | 2nd Dec 1919 | Box 34 \ 1 Scan150 | |
| Instructing the shipping office to despatch an experimental condenser to Mr. Royce. | 2nd Dec 1919 | Box 34 \ 1 Scan151 | |
| The production testing and specifications of a condenser for battery ignition. | 12th Dec 1919 | Box 34 \ 1 Scan152 | |
| Confirming a sample G.E.C. condenser has been supplied for testing on an experimental car. | 4th Dec 1919 | Box 34 \ 1 Scan153 | |
| Instruction to fit a sample G.E.C. Condenser (No 6) to vehicle 49 GPB. | 5th Dec 1919 | Box 34 \ 1 Scan154 | |
| Confirming the fitting of a G.E.C. Co. condenser and fibre wiring tube to 49-GB. | 10th Dec 1919 | Box 34 \ 1 Scan155 | |
| Experimental parts fitted to specific chassis and a repaired condenser. | 10th Dec 1919 | Box 34 \ 1 Scan156 | |
| Instruction note regarding the capacity of a rebuilt R.R. 12 condenser and the manufacturing of a new one. | 18th Dec 1919 | Box 34 \ 1 Scan157 | |
| Instructions regarding the modification of a condenser by splitting it in half. | 11th Dec 1919 | Box 34 \ 1 Scan158 | |
| Internal instruction memo regarding the receipt and testing of two condensers. | 23th Dec 1919 | Box 34 \ 1 Scan159 | |
| To Mr. Clark detailing four types of condensers with special fittings for experimental purposes. | 1st Jan 1920 | Box 34 \ 1 Scan160 | |
| The production testing of condensers, specifically regarding the number of alternations of the alternating current. | 27th Jan 1920 | Box 34 \ 1 Scan161 | |
| Alternating current frequency for production testing of condensers. | 28th Jan 1920 | Box 34 \ 1 Scan162 | |
| Forwarding a letter from S.E.I.Co. regarding condenser tests, packing, and thickness. | 2nd Feb 1920 | Box 34 \ 1 Scan163 | |
| Letter from Salford Electrical Instruments Ltd. regarding a condenser order, noting discrepancies and suggesting solutions. | 12th Feb 1920 | Box 34 \ 1 Scan164 | |
| Requesting the urgent testing of 12 condensers received from the Salford Electrical Co. | 2nd Feb 1920 | Box 34 \ 1 Scan165 | |
| The mechanical issues and poor quality of Salford Electrical Condensers and their fittings. | 20th Feb 1920 | Box 34 \ 1 Scan166 | |
| Electrical examination and testing results for a dozen condensers supplied by the Salford Electrical Co. | 20th Feb 1920 | Box 34 \ 1 Scan167 | |
| The electrical and noise testing of various condensers. | 20th Feb 1920 | Box 34 \ 1 Scan168 | |
| Dispute with Salford Electrical Instruments Ltd. over the testing procedure for chassis condensers. | 23th Feb 1920 | Box 34 \ 1 Scan169 | |
| Letter from Salford Electrical Instruments Ltd. regarding a dispute over condenser testing specifications. | 21th Feb 1920 | Box 34 \ 1 Scan170 | |
| Letter from Salford Electrical Instruments Ltd. concerning discrepancies between submitted samples and drawings for metal parts. | 27th Feb 1920 | Box 34 \ 1 Scan171 | |
| Modifying the production testing procedure for condensers. | 27th Feb 1920 | Box 34 \ 1 Scan172 | |
| Multi-step testing and verification procedure for production condensers before they are encased. | 29th Sep 1919 | Box 34 \ 1 Scan173 | |
| Developing scheme for the production testing of condensers. | 28th Feb 1920 | Box 34 \ 1 Scan174 | |
| Cover note attaching a letter from Salford Electrical Instruments Ltd. concerning complaints about condensers. | 1st Mar 1920 | Box 34 \ 1 Scan175 | |
| Copy of a letter from Salford Electrical Instruments Ltd. regarding condensers and magnetos. | 26th Feb 1920 | Box 34 \ 1 Scan176 | |
| Production test procedure for condensers used in battery ignition systems. | 2nd Mar 1920 | Box 34 \ 1 Scan177 | |
| Continued page of testing procedures for a condenser. | 2nd Mar 1920 | Box 34 \ 1 Scan178 | |
| General description of apparatus and modified instructions for the production testing of condensers or battery ignition. | 2nd Mar 1920 | Box 34 \ 1 Scan179 | |
| Continued report on apparatus for condenser testing, discussing voltage regulation and magnetic components. | 2nd Mar 1920 | Box 34 \ 1 Scan180 | |
| The apparatus and connections for production testing of condensers for battery ignition. | 6th Aug 1919 | Box 34 \ 1 Scan181 | |
| Continued description of an electrical apparatus involving lamps, fuses, and a condenser. | 2nd Mar 1920 | Box 34 \ 1 Scan182 | |
| Wiring diagram for an apparatus used in the production testing of condensers with variable voltage. | 2nd Mar 1938 | Box 34 \ 1 Scan183 | |
| The testing and failure analysis of chassis condensers. | 3rd Mar 1920 | Box 34 \ 1 Scan184 | |
| Unsatisfactory condensers, addressing issues with stud screw size, thickness, and a request for scrap mica. | 3rd Mar 1920 | Box 34 \ 1 Scan185 | |
| Stud F.7374 and faulty condensers, detailing a new testing procedure and return instructions. | 17th Mar 1920 | Box 34 \ 1 Scan186 | |
| Extract from Mr. Maddock's report on the cause of badly pitted platinum points in a battery ignition system. | 17th Mar 1920 | Box 34 \ 1 Scan187 | |
| Causes of ignition failure due to faulty condensers. | 14th Apr 1920 | Box 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 1920 | Box 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 1920 | Box 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 1920 | Box 34 \ 1 Scan191 | |
| Extract from a 10,000-mile test report on electrical parts, focusing on battery ignition issues. | 21th Apr 1920 | Box 34 \ 1 Scan192 | |
| Feedback on the performance of electrical parts on chassis 49-GB. | 27th Apr 1920 | Box 34 \ 1 Scan193 | |
| Issues with faulty battery ignition and condenser connection troubles. | 22th Jun 1920 | Box 34 \ 1 Scan194 | |
| Ongoing issues with loose nuts on later type condensers and the need for retrospective modifications. | 22th Jun 1920 | Box 34 \ 1 Scan195 | |
| Faulty battery ignition due to an imperfect condenser connection. | 23th Jun 1920 | Box 34 \ 1 Scan196 | |
| Faulty battery ignition and condenser troubles due to incorrect machining. | 26th Jun 1920 | Box 34 \ 1 Scan197 | |
| Reliability improvements of chassis condensers, comparing die-cast and sand-cast casings. | 28th Jun 1920 | Box 34 \ 1 Scan198 | |
| Calculation of capacity of condenser. | 10th Nov 1930 | Box 34 \ 1 Scan199 | |
| Table listing condenser milli-amperes and capacities. | 10th Nov 1920 | Box 34 \ 1 Scan200 | |
| Complaints regarding the condenser cover and proposing design changes to prevent bolts from chafing plates. | 22th Nov 1920 | Box 34 \ 1 Scan201 | |
| Letter concerning the supply of tungsten contacts for testing and issues with pitting on platinum contacts. | 9th Dec 1920 | Box 34 \ 1 Scan202 | |
| Continued memo suggesting experimentation with enclosed contacts for a Mr. Clark. | 9th Dec 1920 | Box 34 \ 1 Scan203 | |
| Use of Bakelite impregnation for various electrical components like coils, armatures, generators, and condensers. | 21th Dec 1920 | Box 34 \ 1 Scan204 | |
| Technical discussion comparing Mica and Bakelite for condensers and commutators, and notes on electrical connections. | 21th Dec 1920 | Box 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 1921 | Box 34 \ 1 Scan206 | |
| Letter from Dubilier Condenser Co. Ltd. regarding an abnormal number of condenser failures. | 7th Feb 1921 | Box 34 \ 1 Scan207 | |
| Revised production test for battery ignition condensers due to failures and changes to the testing system. | 19th Feb 1921 | Box 34 \ 1 Scan208 | |
| Production test procedure for a condenser used in a battery ignition system. | 9th Feb 1921 | Box 34 \ 1 Scan209 | |
| Test procedure for a condenser, specifying limits for capacity current and static charge capability. | 9th Feb 1921 | Box 34 \ 1 Scan210 | |
| Postponing the testing of condensers from the Dubilier Condenser Company until their representative can visit. | 10th Feb 1921 | Box 34 \ 1 Scan211 | |
| Arranging a visit from a supplier to investigate condenser breakdowns. | 12th Feb 1921 | Box 34 \ 1 Scan212 | |
| Condenser testing procedures and failure rates with a Mr. Goodman. | 15th Feb 1921 | Box 34 \ 1 Scan213 | |
| The modification of voltage tests for condensers, referencing the Dubilier Company. | 15th Feb 1921 | Box 34 \ 1 Scan214 | |
| Increase in failures of 'Dubilier' brand condensers for the chassis battery ignition system. | 17th Feb 1921 | Box 34 \ 1 Scan215 | |
| Capacity of condensers supplied from an outside source. | 21th Feb 1921 | Box 34 \ 1 Scan216 | |
| High failure rate of condensers for battery ignition systems supplied by the Dubilier Company. | 22th Feb 1921 | Box 34 \ 1 Scan217 | |
| Failure of Dubilier chassis condensers and requesting the creation of a new test to ensure reliability. | 24th Feb 1921 | Box 34 \ 1 Scan218 | |
| Supply of condensers, a meeting with General Electric Co., and the potential for in-house production. | 1st Mar 1921 | Box 34 \ 1 Scan219 | |
| Test failures and the need for a special checking method for Dubilier Condensers. | 8th Mar 1921 | Box 34 \ 1 Scan220 | |
| 10% testing procedure for condensers to ensure their reliability before being fitted to a chassis. | 19th May 1920 | Box 34 \ 1 Scan221 | |
| Test procedure for 12 Dubilier made condensers to overcome failures on chassis after production tests. | 10th Mar 1921 | Box 34 \ 1 Scan222 | |
| Continuation of a test procedure for condensers, outlining further treatment and reserve units. | 10th Dec 1929 | Box 34 \ 1 Scan223 | |
| Receipt of 12 Dubilier make condensers from the Test Department for special tests, listing their serial numbers and groups. | 7th Mar 1921 | Box 34 \ 1 Scan224 | |
| Instructions for a special test of Dubilier-made condensers. | 18th Mar 1919 | Box 34 \ 1 Scan225 | |
| Instruction sheet detailing the results of endurance tests performed on different groups of condensers. | 24th Jan 1919 | Box 34 \ 1 Scan226 | |
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