| Description | Date | Identifier | |
| Letter to Joseph Lucas Ltd. confirming a telephone conversation regarding the cost of a C.A.V. regulator. | 19th Sep 1933 | Box 60 \ 3 Scan247 | |
| Excessive cost of a C.A.V. Voltage Regulator. | 19th Sep 1933 | Box 60 \ 3 Scan248 | |
| Standardisation of a Type B2 Constant Voltage Vibrator Regulator for a chassis. | 24th Sep 1932 | Box 60 \ 3 Scan249 | |
| Standardisation document for chassis parts for the R.R. Bentley 4.25 Litre Chassis. | 28th Feb 1933 | Box 60 \ 3 Scan250 | |
| Request to send an official order to Messrs. Lucas for a type of regulator to be kept for further testing. | 13th Oct 1933 | Box 60 \ 3 Scan251 | |
| Description of the C.A.V. Dynamo Voltage Regulator for the 40/50 and Bentley Chassis. | 18th Oct 1933 | Box 60 \ 3 Scan252 | |
| Servicing instructions and fault diagnosis for a regulator. | 18th Oct 1933 | Box 60 \ 3 Scan253 | |
| Characteristics of a new dynamo-battery charging arrangement for Bentley and 40/50 chassis. | 25th Oct 1933 | Box 60 \ 3 Scan254 | |
| Graph showing the relationship between battery voltage, dynamo voltage, charging current, and specific gravity over time. | 15th May 1933 | Box 60 \ 3 Scan255 | |
| Confirming that seven copies of requested blueprints have been sent. | 30th Oct 1933 | Box 60 \ 3 Scan256 | |
| Specification for production testing of a C.A.V. shunt dynamo regulator unit for Bentley and 40/50 chassis. | 31th Oct 1933 | Box 60 \ 3 Scan257 | |
| Specification of production tests for a C.A.V. shunt dynamo regulator unit. | 1st Nov 1933 | Box 60 \ 3 Scan258 | |
| Installation and testing procedures for a regulator unit on a chassis. | 1st Nov 1933 | Box 60 \ 3 Scan259 | |
| Test procedure for a dynamo and regulator, detailing output specifications at various voltages and speeds. | 1st Nov 1933 | Box 60 \ 3 Scan260 | |
| Voltage and amperage output specifications with a note on observing ammeter needle oscillation. | 31th Oct 1933 | Box 60 \ 3 Scan261 | |
| Request to despatch a C.A.V. type B2H1 regulator to Messrs. Joseph Lucas Ltd. for examination and adjustment. | 31th Oct 1933 | Box 60 \ 3 Scan262 | |
| Letter to Joseph Lucas Ltd. regarding proposed tests and a faulty C.A.V. Regulator. | 31th Oct 1933 | Box 60 \ 3 Scan263 | |
| Follow-up letter to Messrs. Joseph Lucas Ltd. regarding C.A.V. Regulators. | 21th Nov 1933 | Box 60 \ 3 Scan264 | |
| Letter from Joseph Lucas Research Laboratories regarding a defective voltage regulator with a fractured porcelain insulator. | 22th Nov 1933 | Box 60 \ 3 Scan265 | |
| Letter from Joseph Lucas Ltd. arranging the replacement of a faulty regulator. | 22th Nov 1933 | Box 60 \ 3 Scan266 | |
| Letter to Joseph Lucas Ltd. regarding a regulator exceeding specification limits. | 7th Dec 1933 | Box 60 \ 3 Scan267 | |
| Letter from Joseph Lucas Research Laboratories discussing regulator current requirements and performance. | 8th Dec 1933 | Box 60 \ 3 Scan268 | |
| Letter to Joseph Lucas Research Laboratories regarding a faulty voltage regulator. | 29th Dec 1933 | Box 60 \ 3 Scan269 | |
| Letter from Joseph Lucas Research Laboratories regarding the examination of regulator B.2.H.1 No.20855. | 15th Jan 1934 | Box 60 \ 3 Scan270 | |
| Request to return a faulty C.A.V. Voltage Regulator to Messrs. Joseph Lucas Research Laboratories for investigation. | 29th Dec 1933 | Box 60 \ 3 Scan271 | |
| Letter from Joseph Lucas Research Laboratories concerning the repair and endurance testing of a returned regulator unit. | 31th Jan 1934 | Box 60 \ 3 Scan272 | |
| Investigation into the failure of a C.A.V. vibrator regulator, which was caused by incorrect wiring. | 16th Mar 1934 | Box 60 \ 3 Scan273 | |
| Order request for three experimental Lucas-C.A.V. dynamovoltage regulators. | 18th Sep 1934 | Box 60 \ 3 Scan274 | |
| Standardisation of parts record for a Lucas-C.A.V. Voltage Regulator. | 21th Jun 1934 | Box 60 \ 3 Scan275 | |
| Cover sheet referring to a standardisation sheet. | 27th Oct 1934 | Box 60 \ 3 Scan276 | |
| Complaint from H.R.H. The Duke of Kent about his Bentley's battery and charging system. | 27th Oct 1934 | Box 60 \ 3 Scan277 | |
| Blueprint for a new dynamo battery charging arrangement and requesting further copies for distribution. | 27th Oct 1933 | Box 60 \ 3 Scan278 | |
| Battery complaint for a Bentley chassis owned by H.R.H. The Duke of Kent, attributing issues to radio fittings. | 29th Oct 1934 | Box 60 \ 3 Scan279 | |
| Request to fit a new voltage regulator type B2CJ1 to a car. | 2nd Nov 1934 | Box 60 \ 3 Scan280 | |
| Notification regarding a new experimental voltage regulator fitted to chassis 4.B.IV. | 2nd Nov 1934 | Box 60 \ 3 Scan281 | |
| Issues with P.100 lamp dimming on chassis 4.B.IV and a proposed wiring change. | 3rd Nov 1934 | Box 60 \ 3 Scan282 | |
| Parts list for the 'Spectre' Cutout, Regulator and Resistance Unit, R.R. Scheme 750. | 7th Nov 1934 | Box 60 \ 3 Scan283 | |
| Letter to Joseph Lucas Ltd. following up on an enquiry for a 6 volt voltage regulator. | 20th Nov 1934 | Box 60 \ 3 Scan284 | |
| Letter to Joseph Lucas Ltd. regarding an urgently required special 6-volt regulator for an Air Ministry experiment. | 21th Nov 1934 | Box 60 \ 3 Scan285 | |
| Urgent order for Lucas C.A.V. voltage regulators for testing purposes. | 26th Oct 1934 | Box 60 \ 3 Scan286 | |
| Sending the production specification and test for the new C.A.V. Voltage Regulator Type B2CJ1. | 13th Dec 1934 | Box 60 \ 3 Scan287 | |
| Specification of production tests for a C.A.V. Shunt Dynamo Regulator Unit, Type B2CJ1. | 13th Dec 1934 | Box 60 \ 3 Scan288 | |
| Procedure for testing a voltage regulator, including positioning, connections, and open-circuit voltage checks. | 13th Dec 1934 | Box 60 \ 3 Scan289 | |
| Dynamo and regulator test procedure document specifying outputs at various voltages and speeds. | 13th Dec 1934 | Box 60 \ 3 Scan290 | |
| Instruction specifying the maximum movement for a needle on a gauge. | 14th Dec 1934 | Box 60 \ 3 Scan291 | |
| 3 or 4 amp electrical discharge on Mr. Fairey's new Bentley, car B.11.BN. | 14th Dec 1934 | Box 60 \ 3 Scan292 | |
| The despatch of a C.A.V. voltage regulator for alteration. | 17th Dec 1934 | Box 60 \ 3 Scan293 | |
| Clarifying the modification of all dynamo regulators in stock for Bentley chassis. | 17th Dec 1934 | Box 60 \ 3 Scan294 | |
| Correspondence regarding sending a new regulator type B2CJ1 for Mr. Fairey's car B-11-BN. | 17th Dec 1934 | Box 60 \ 3 Scan295 | |
| Dispatch request for a C.A.V. type B2CJ1 voltage regulator. | 17th Dec 1934 | Box 60 \ 3 Scan296 | |
| Request to increase the charging rate and fit a new regulator to Chassis No. B.69.BN. | 18th Dec 1934 | Box 60 \ 3 Scan297 | |
| Booking out slip for a DB880 Dynamo voltage output regulator for Chassis No. B-9-CW. | 19th Dec 1934 | Box 60 \ 3 Scan298 | |
| Confirming the dispatch of a C.A.V. B2CJ1 regulator for chassis B.69 BN. | 19th Dec 1934 | Box 60 \ 3 Scan299 | |
| Despatch of a C.A.V. Voltage Regulator for chassis B69BN and a request for a credit note. | 19th Dec 1934 | Box 60 \ 3 Scan300 | |
| Letter to Joseph Lucas Ltd. regarding the return of two faulty type B2CJ1 voltage regulators for readjustment. | 20th Dec 1934 | Box 60 \ 3 Scan301 | |
| Requesting the return of two non-compliant voltage regulators to Messrs. Lucas for readjustment. | 20th Dec 1934 | Box 60 \ 3 Scan302 | |
| Letter from Joseph Lucas Ltd regarding the return of non-compliant voltage regulators and a notice of works closure for Christmas. | 22th Dec 1934 | Box 60 \ 3 Scan303 | |
| Letter from Joseph Lucas Limited clarifying the specific voltage and amperage requirements for a 6-volt regulator for experimental use. | 28th Dec 1934 | Box 60 \ 3 Scan304 | |
| Instructing the fitting of new type B2CJ1 regulators to specific chassis. | 4th Jan 1935 | Box 60 \ 3 Scan305 | |
| Request to fit a new type B2CJ1 regulator and a new geared starter motor to chassis 1.B.IV for testing. | 4th Jan 1935 | Box 60 \ 3 Scan306 | |
| Requesting feedback on a new regulator supplied for a headlamp load and offering a replacement. | 4th Jan 1935 | Box 60 \ 3 Scan307 | |
| Correspondence about returning an old regulator and fitting a new one for chassis B.69. BN. | 5th Jan 1935 | Box 60 \ 3 Scan308 | |
| Request for a covering order for one experimental Lucas voltage regulator. | 19th Jan 1935 | Box 60 \ 3 Scan309 | |
| Letter to Joseph Lucas, Ltd. confirming requirements for a special experimental voltage regulator. | 19th Jan 1935 | Box 60 \ 3 Scan310 | |
| Correspondence providing feedback on a newly fitted regulator for a B-20-AH chassis. | 23th Jan 1935 | Box 60 \ 3 Scan311 | |
| Letter to Joseph Lucas Ltd. concerning failures of C.A.V. Voltage Regulators on Rolls-Royce and Bentley Chassis. | 6th Feb 1935 | Box 60 \ 3 Scan312 | |
| Standardisation of a LUCAS-C.A.V. VOLTAGE REGULATOR TYPE B2.CJ1. | 6th Dec 1934 | Box 60 \ 3 Scan313 | |
| Standardisation of Parts form for a Lucas V.A.C-Ovolt Regulator, Type SE.28. | 28th Dec 1927 | Box 60 \ 3 Scan314 | |
| Standardisation of a Lucas-C.A.V. Voltage Regulator, Type B2.CJ1. | 6th Dec 1934 | Box 60 \ 3 Scan315 | |
| Note stating a modification only affects bought-out parts with no works tool cost involved. | 6th Dec 1934 | Box 60 \ 3 Scan316 | |
| Standardisation of parts for a Lucas-C.A.V. Voltage Regulator, Type B2.CJ1. | 6th Dec 1934 | Box 60 \ 3 Scan317 | |
| For the standardisation of parts. | 24th Nov 1934 | Box 60 \ 3 Scan318 | |
| Request for A.C. Lovesey to obtain an Oldsmobile voltage regulator and a Malliner distributor from the USA. | 21th Jan 1935 | Box 60 \ 3 Scan319 | |
| Fuse blowing and low output issues after changing to new B.2. C.J.1 type voltage regulators. | 25th Jan 1935 | Box 60 \ 3 Scan320 | |
| Letter discussing a potential solution for an issue and the return of a regulator, with a postscript about a 'fuse blowing' problem. | 29th Jan 1935 | Box 60 \ 3 Scan321 | |
| Faulty voltage regulator from chassis B.32.AH, detailing the owner's complaint and requesting an investigation. | 29th Jan 1935 | Box 60 \ 3 Scan322 | |
| The return of two unsuitable Lucas voltage regulators due to incorrect current output. | 31th Jan 1935 | Box 60 \ 3 Scan323 | |
| Recurring voltage regulator issue on chassis B.32.AH. | 5th Feb 1935 | Box 60 \ 3 Scan324 | |
| Replacing a faulty voltage regulator for a 40/50 chassis and arranging a visit to explain the new system. | 7th Feb 1935 | Box 60 \ 3 Scan325 | |
| Correspondence regarding a customer's issues with a new voltage regulator on car number 72-SK. | 9th Feb 1935 | Box 60 \ 3 Scan326 | |
| The return of five faulty C.A.V. voltage regulators for investigation and repair. | 12th Feb 1935 | Box 60 \ 3 Scan327 | |
| Inspection and investigation of faulty C.A.V. voltage regulators from customer chassis. | 12th Feb 1935 | Box 60 \ 3 Scan328 | |
| Correspondence regarding faulty C.A.V. voltage regulators on customer chassis and a proposed modification. | 14th Feb 1935 | Box 60 \ 3 Scan329 | |
| Letter to C.A.V.-Bosch, Ltd. urgently requesting a report on faulty voltage regulators. | 16th Feb 1935 | Box 60 \ 3 Scan330 | |
| The return of two C.A.V. voltage regulators for readjustment. | 18th Feb 1935 | Box 60 \ 3 Scan331 | |
| Letter from C.A.V. - BOSCH forwarding a report to their associated company, Joseph Lucas Ltd., for direct handling. | 19th Feb 1935 | Box 60 \ 3 Scan332 | |
| Voltage regulator failures on a Mr. Myers Phantom II chassis due to incorrect wiring of a filter unit. | 21th Feb 1935 | Box 60 \ 3 Scan333 | |
| Letter to Joseph Lucas Co. Ltd. regarding the failure and repair of a C.A.V. regulator. | 21th Feb 1935 | Box 60 \ 3 Scan334 | |
| The connection of the dynamo field and regulator to prevent damage to the C.A.V. voltage regulator. | 22th Feb 1935 | Box 60 \ 3 Scan335 | |
| Letter from Joseph Lucas Ltd. concerning the re-conditioning of a C.A.V. Regulator for Rolls Royce. | 26th Feb 1935 | Box 60 \ 3 Scan336 | |
| Letter from EKCO regarding troubleshooting a voltage control unit and radio interference on a Phantom II chassis. | 26th Feb 1935 | Box 60 \ 3 Scan337 | |
| Inspection instructions for car radio sets and voltage regulators. | 28th Feb 1935 | Box 60 \ 3 Scan338 | |
| Faulty voltage regulator and updated wiring instructions for a wireless filter unit. | 28th Feb 1935 | Box 60 \ 3 Scan339 | |
| Letter from C.A.V - Bosch regarding a faulty 12 volt B.2. CJ1 Regulator No.30655. | 28th Feb 1935 | Box 60 \ 3 Scan340 | |
| Continuation sheet of a letter from C.A.V. - BOSCH LIMITED. | 1st Mar 1935 | Box 60 \ 3 Scan341 | |
| Letter to Messrs. C.A.V. - Bosch, Ltd. regarding the unsealing of a regulator. | 1st Mar 1935 | Box 60 \ 3 Scan342 | |
| Letter to Joseph Lucas Ltd. regarding condensers for C.A.V. voltage regulators. | 21th Mar 1935 | Box 60 \ 3 Scan343 | |
| The fitting of condensers to regulator contacts and the suggestion to create a detailed drawing for the wireless team. | 29th Mar 1935 | Box 60 \ 3 Scan344 | |
| Letter from Scintilla Limited requesting further information for the supply of a constant voltage regulator. | 29th Mar 1935 | Box 60 \ 3 Scan345 | |
| Letter to Scintilla Ltd. regarding a constant voltage regulator and an attached curve. | 3rd Apr 1935 | Box 60 \ 3 Scan346 | |
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