| Description | Date | Identifier | |
| Cover memo for a report on the inspection and testing of a Delco-Remy Ignition Distributor and Contact Breaker Unit. | 20th Oct 1930 | Box 163 \ 7 img131 | |
| Inspection and bench test report on a Delco-Remy Ignition Distributor. | 20th Oct 1930 | Box 163 \ 7 img132 | |
| Description of a Delco-Remy double breaker distributor system, detailing its cam, contact points, and condenser. | 20th Oct 1930 | Box 163 \ 7 img133 | |
| Description of the contact breaker, automatic advance, and distributor assembly. | 20th Oct 1930 | Box 163 \ 7 img134 | |
| The bench testing and examination of a distributor and its contact points after a simulated run. | 20th Oct 1930 | Box 163 \ 7 img135 | |
| Performance of a Delco-Remy coil and comparing methods of riveting tungsten points. | 6th Dec 1930 | Box 163 \ 7 img136 | |
| Quarterly complaints and failures of ignition coils. | 6th Dec 1930 | Box 163 \ 7 img137 | |
| The bench test failure of a Delco-Remy ignition coil due to charred windings. | 10th Dec 1930 | Box 163 \ 7 img138 | |
| Report comparing the performance and construction of Delco Remy and Lucas ignition coils against in-house standard models. | 24th Dec 1930 | Box 163 \ 7 img139 | |
| Reliability of Delco Remy ignition coils based on failure rates in Dodge vans. | 29th Dec 1930 | Box 163 \ 7 img140 | |
| Requesting a copy of a document regarding a Delco Remy ignition coil be sent to H.S. | 30th Dec 1930 | Box 163 \ 7 img141 | |
| Coil failures in the U.S.A. and comparing service complaint methods with Cadillac. | 1st Jan 1931 | Box 163 \ 7 img142 | |
| Chasing the delivery status of Delco and De Jon coils. | 4th Jan 1931 | Box 163 \ 7 img143 | |
| The failure of American-made Remy coils in England's damp climate. | 1st Jan 1931 | Box 163 \ 7 img144 | |
| Cover memo for a report on the Delco Remy ignition distributor and contact breaker unit. | 9th Feb 1931 | Box 163 \ 7 img145 | |
| Design specifics of Lucas, Delco Remy, and De Jon ignition coils. | 20th Feb 1931 | Box 163 \ 7 img146 | |
| The price paid for a Delco Remy coil and distributor. | 31th Mar 1931 | Box 163 \ 7 img147 | |
| Letter to Delco-Remy & Hyatt Ltd. requesting an automatic advance unit for testing on an experimental car. | 8th Jul 1931 | Box 163 \ 7 img148 | |
| Requesting to obtain a standard 12-volt Delco-Remy Ignition Coil of the armoured case type. | 18th Jul 1931 | Box 163 \ 7 img149 | |
| Inquiry to Delco-Remy and Hyatt Ltd. for particulars and drawings of 12-cylinder battery ignition sets. | 12th Aug 1931 | Box 163 \ 7 img150 | |
| Letter from Delco-Remy & Hyatt Ltd. apologising for a delay in providing drawings for 12-cylinder distributors. | 17th Aug 1931 | Box 163 \ 7 img151 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding drawings for a 12-cylinder Distributor. | 18th Aug 1931 | Box 163 \ 7 img152 | |
| Letter to Delco-Remy and Hyatt Ltd. concerning the overall size and automatic advance feature of a 12-cylinder battery ignition distributor. | 21th Aug 1931 | Box 163 \ 7 img153 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding a promised print and distributors with automatic advance. | 22th Aug 1931 | Box 163 \ 7 img154 | |
| Letter from Cadillac discussing Delco's aircraft ignition technology and the outcome of the Harmsworth boat race. | 8th Sep 1931 | Box 163 \ 7 img155 | |
| Letter from Delco Aviation to Cadillac Motor Car Company regarding an inquiry about battery ignition systems for aircraft engines. | 22th Aug 1931 | Box 163 \ 7 img156 | |
| Delco ignition catalogue and a query about the ignition systems used on American aero engines. | 18th Sep 1931 | Box 163 \ 7 img157 | |
| Letter from Delco Aviation Corporation regarding an inquiry about the use of battery ignition on aircraft engines. | 22th Aug 1931 | Box 163 \ 7 img158 | |
| Letter from the President of Delco Aviation Corporation regarding battery ignition systems for aircraft engines. | 23th Sep 1931 | Box 163 \ 7 img159 | |
| Letter from Delco-Remy & Hyatt Ltd. concerning drawings for 12-cylinder distributors and a planned meeting with their technical manager. | 23th Sep 1931 | Box 163 \ 7 img160 | |
| Letter to Messrs. Delco-Remy & Hyatt Ltd. regarding a meeting with Mr. Rushton. | 28th Sep 1931 | Box 163 \ 7 img161 | |
| Letter from Delco-Remy & Hyatt Ltd. to Mr. E.W. Hives concerning a postponed visit to Derby. | 2nd Oct 1931 | Box 163 \ 7 img162 | |
| Letter from Delco-Remy & Hyatt Ltd. proposing a meeting to discuss the 12-cylinder distributor and vacuum ignition control. | 9th Oct 1931 | Box 163 \ 7 img163 | |
| Graph illustrating engine degrees advance against RPM for light and full load operations. | 9th Dec 1930 | Box 163 \ 7 img164 | |
| Article on an automatic ignition advance device based on engine suction, reprinted from 'The Motor' magazine. | 9th Dec 1930 | Box 163 \ 7 img165 | |
| Technical memorandum discussing the Delco-Remy vacuum-operated automatic advance ignition system. | 5th Oct 1931 | Box 163 \ 7 img166 | |
| Letter to Delco-Remy & Hyatt Ltd. concerning Oilite bearings and ignition control tests for a 20/25 HP engine. | 28th Oct 1931 | Box 163 \ 7 img167 | |
| Follow-up letter to Delco-Remy & Hyatt Ltd. regarding an unacknowledged request for information on an aero engine battery ignition set. | 17th Nov 1931 | Box 163 \ 7 img168 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding a delayed report and a proposal for their Managing Director to handle the matter in America. | 24th Nov 1931 | Box 163 \ 7 img169 | |
| Letter to Delco-Remy & Hyatt Ltd. regarding a request for information to be handled by their Managing Director, Mr. Kennington. | 26th Nov 1931 | Box 163 \ 7 img170 | |
| High-speed battery ignition lever problem, attributing it to excessive mass and length. | 16th Dec 1931 | Box 163 \ 7 img171 | |
| J.3. Battery Ignition system and its duplication of Delco Remy parts. | 21th Dec 1931 | Box 163 \ 7 img172 | |
| Adoption of Delco-Remy battery ignition components and their reliability at high speeds. | 23th Dec 1931 | Box 163 \ 7 img173 | |
| Covering note forwarding the original document Lec.2937 regarding J.3. Battery Ignition. | 23th Dec 1931 | Box 163 \ 7 img174 | |
| Letter to Delco-Remy & Hyatt Ltd. regarding a discussion on aero battery ignition. | 1st Jan 1932 | Box 163 \ 7 img175 | |
| Letter to W.O. Kennington of Delco-Remy & Hyatt Ltd. returning blueprints for Delco ignition and discussing battery ignition development. | 22th Jan 1932 | Box 163 \ 7 img176 | |
| Letter from Delco-Remy & Hyatt Ltd. confirming the shipping date of a distributor. | 1st Feb 1932 | Box 163 \ 7 img177 | |
| Shipment of a Distributor from Delco Aviation Corporation. | 3rd Feb 1932 | Box 163 \ 7 img178 | |
| Investigation of a Delco-Remy vacuum automatic advance ignition system. | 4th Feb 1932 | Box 163 \ 7 img179 | |
| Letter to Delco-Remy & Hyatt Ltd. inquiring about supplying an automatic advance unit for a 20/25HP chassis. | 5th Feb 1932 | Box 163 \ 7 img180 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding a sketch of a Distributor with Vacuum Control for approval. | 6th Feb 1932 | Box 163 \ 7 img181 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding a Delco-Remy Distributor with a Vacuum Ignition Control Device. | 9th Feb 1932 | Box 163 \ 7 img182 | |
| Inquiry regarding a Delco Aviation Corp 12-cylinder ignition system and associated radio disturbance. | 15th Feb 1932 | Box 163 \ 7 img183 | |
| Letter to Delco-Remy & Hyatt Ltd. concerning distributor and governor specifications. | 20th Feb 1932 | Box 163 \ 7 img184 | |
| Graph of ignition advance curves for the 20/25 HP chassis at different engine loads. | 24th Feb 1932 | Box 163 \ 7 img185 | |
| Letter from Delco-Remy & Hyatt Ltd. acknowledging receipt of a letter and Ignition Advance Curves. | 24th Feb 1932 | Box 163 \ 7 img186 | |
| Inquiry to Delco-Remy & Hyatt Ltd. about the delivery status of a vacuum-controlled ignition unit. | 31th Mar 1932 | Box 163 \ 7 img187 | |
| Correspondence from Delco-Remy & Hyatt Ltd. regarding a Vacuum Ignition Control Device for a 20/25 HP engine. | 7th Apr 1932 | Box 163 \ 7 img188 | |
| Request to obtain a standard Delco-Remy ignition coil for experimental work. | 20th Apr 1932 | Box 163 \ 7 img189 | |
| Request to obtain two dozen small ferrules from the Delco-Remy Co. for H.T. ignition cables. | 9th May 1932 | Box 163 \ 7 img190 | |
| Urgently requesting parts required for bench tests. | 5th Mar 1932 | Box 163 \ 7 img191 | |
| Letter from Delco-Remy & Hyatt Ltd. regarding a Vacuum Control Device. | 23th Aug 1932 | Box 163 \ 7 img192 | |
| Letter to Delco-Remy & Hyatt Ltd. acknowledging receipt of a vacuum control device and advising of a delay in testing. | 24th Aug 1932 | Box 163 \ 7 img193 | |
| Urgent order request for a Delco-Remy contact set for testing purposes. | 21th Sep 1932 | Box 163 \ 7 img194 | |
| Internal request to order two sets of Delco Remy contact levers and plates for a distributor. | 5th Nov 1932 | Box 163 \ 7 img195 | |
| Request to obtain quotations from the Delco-Remy Co. for distributor parts. | 7th Nov 1932 | Box 163 \ 7 img196 | |
| Requesting an order to be issued for a Delco-Remy unit. | 7th Nov 1932 | Box 163 \ 7 img197 | |
| Endurance test report on a Peregrine Distributor, detailing modifications and performance analysis of the cam and rubbing blocks. | 25th Nov 1932 | Box 163 \ 7 img198 | |
| Insufficient spring pressure in rubbing blocks and a modification to prevent distributor corrosion. | 8th Dec 1924 | Box 163 \ 7 img199 | |
| Instructions for a modified rotor blade assembly with an integrated bakelite fan projection. | 8th Dec 1924 | Box 163 \ 7 img200 | |
| The development of ignition advance curves for the J.I. Head engine, detailing adjustments to prevent detonation. | 29th Sep 1932 | Box 163 \ 7 img201 | |
| Graph of ignition governor advance curves for a 25 HP GOS. C.5 engine. | 1st Nov 1932 | Box 163 \ 7 img202 | |
| List of required improvements for the Peregrine engine ignition system before final testing. | 1st Nov 1932 | Box 163 \ 7 img203 | |
| Improvements and considerations for ignition system components, including ventilation, levers, and safety sparking gaps. | 1st Nov 1932 | Box 163 \ 7 img204 | |
| Modification to the ignition distributor governor on a 3 Per.II Chassis to alter the automatic advance range. | 30th Dec 1932 | Box 163 \ 7 img205 | |
| Necessary modifications to the battery ignition for Peregrine, Japan & Bensport chassis. | 25th Jan 1933 | Box 163 \ 7 img206 | |
| Request to make three ignition ballast wind shields for a Peregrine chassis to piece number D.100474. | 11th Feb 1933 | Box 163 \ 7 img207 | |
| Order for 6 battery ignition condensers from the Delco Remy Co. | 13th Mar 1933 | Box 163 \ 7 img208 | |
| Experiments with Peregrine double breaker battery ignition for future engines. | 6th Jul 1933 | Box 163 \ 7 img209 | |
| Discrepancy in the ignition governor specification for Bensport engines. | 13th Jul 1933 | Box 163 \ 7 img210 | |
| Internal request for three further ignition cams to DB358. | 4th Sep 1933 | Box 163 \ 7 img211 | |
| Requesting the modification of a Bensport battery ignition test rig to accommodate a new Bentley ignition distributor. | 5th Sep 1933 | Box 163 \ 7 img212 | |
| Ignition failure on an experimental Bentley chassis due to a seizing Bakelite pivot bush and suggesting material changes. | 25th Sep 1933 | Box 163 \ 7 img213 | |
| Request to obtain a complete set of Delco Remy high-speed battery ignition parts. | 13th Oct 1933 | Box 163 \ 7 img214 | |
| Requesting the despatch of ignition coils to the Imperial College for oscillograph tests. | 14th Oct 1933 | Box 163 \ 7 img215 | |
| Letter to Delco-Remy & Hyatt Ltd. requesting drawings and particulars for a 12-cylinder car battery ignition unit. | 5th Dec 1933 | Box 163 \ 7 img216 | |
| Pros and cons of magneto ignition versus dual battery ignition for various chassis. | 5th Dec 1933 | Box 163 \ 7 img217 | |
| Magneto insulation failures in hot climates and potential improvements to ignition systems. | 5th Dec 1933 | Box 163 \ 7 img218 | |
| Faults found on a Kestrel 607 engine after a Westland Shaft Drive test. | 11th Dec 1933 | Box 163 \ 7 img219 | |
| Note regarding a sample of 'Glowray' strip material, comparing it to Nichrome. | 16th Feb 1934 | Box 163 \ 7 img220 | |
| Starting troubles on a Bentley Trials Car, traced to a seized fibre bush in the distributor. | 13th Dec 1933 | Box 163 \ 7 img221 | |
| Requesting a new part be sent to Crawford at Lillie Hall to replace a damaged part that has a disadvantage of swelling. | 13th Dec 1933 | Box 163 \ 7 img222 | |
| Ignition failure on a trials Bentley, discussing the rocker arm bush material and pin corrosion. | 14th Dec 1933 | Box 163 \ 7 img223 | |
| Material testing for a pin and bush assembly, discussing corrosion issues and recommending improvements. | 14th Dec 1933 | Box 163 \ 7 img224 | |
| Seized make and break arm on its fibre bush in a Bentley ignition system, suggesting immediate alterations. | 15th Dec 1933 | Box 163 \ 7 img225 | |
| Failure of a Bentley ignition system and proposing material and design changes to the make and break arm bushes. | 16th Dec 1933 | Box 163 \ 7 img226 | |
| The standardization of heat-treatment for make and break bushes to ensure sufficient clearance. | 16th Dec 1933 | Box 163 \ 7 img227 | |
| Urgent request for a suitable reamer to be sent to Lillie Hall to modify bakelite bushes for the Bentley ignition system on demonstration chassis. | 18th Dec 1933 | Box 163 \ 7 img228 | |
| Sending a reamer to modify Bakelite bushes on several Bentley demonstration cars. | 19th Dec 1933 | Box 163 \ 7 img229 | |
| Experiments to improve the high-speed battery ignition system for Spectre and Bentley models. | 28th Dec 1933 | Box 163 \ 7 img230 | |
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