| Description | Date | Identifier | |
| Standardising the 'dip and switch' anti-dazzle headlight system for various car models. | 27th Jan 1936 | Box 61a \ 3 scan0190 | |
| Change to the headlight warning lamp for the Phantom III model. | 27th Jan 1936 | Box 61a \ 3 scan0191 | |
| Request to produce two different schemes of simplified instrument board lamps for inspection. | 30th Jan 1936 | Box 61a \ 3 scan0192 | |
| Follow-up letter from Desmo Limited regarding a sample 'Safebeam Anti-Dazzle Lamp' submitted for testing. | 30th Jan 1936 | Box 61a \ 3 scan0193 | |
| Requesting immediate attention on an attached document concerning headlights. | 30th Jan 1936 | Box 61a \ 3 scan0194 | |
| Sending a pair of P.100 Head Lamps and a pair of Wind Tone Horns to Messrs. J. Lucas Limited for repairs. | 1st Feb 1936 | Box 61a \ 3 scan0195 | |
| The failure and requested repair of a Lucas P.100 type headlamp. | 3rd Feb 1936 | Box 61a \ 3 scan0196 | |
| Headlamps, confirming agreement with a previous note. | 3rd Feb 1936 | Box 61a \ 3 scan0197 | |
| Faulty Tripod lamp carrier to be sent to Messrs. Jos. Lucas Ltd. for correction or replacement. | 4th Feb 1936 | Box 61a \ 3 scan0198 | |
| Disadvantages and dangers of the headlamp dip and switch arrangement under certain driving conditions. | 5th Feb 1936 | Box 61a \ 3 scan0199 | |
| Missed meeting and follow-up on headlight control and wireless news. | 7th Feb 1936 | Box 61a \ 3 scan0200 | |
| Response to queries regarding headlamp control schemes and an assessment of a Philco car radio. | 10th Feb 1936 | Box 61a \ 3 scan0201 | |
| Sending a pair of Lucas P.100 headlamps for repair and remodelling. | 12th Feb 1936 | Box 61a \ 3 scan0202 | |
| The failure of new Lucas P.100 headlamps fitted to car 21-G-IV, and requesting their replacement. | 13th Feb 1936 | Box 61a \ 3 scan0203 | |
| Despatch note for a pair of P.100 headlamps sent to J. Lucas Limited for an estimate on repairs and modifications. | 13th Feb 1936 | Box 61a \ 3 scan0204 | |
| Requesting the fitting of Lucas P.100.R. type headlamps to car 1-B-IV. | 14th Feb 1936 | Box 61a \ 3 scan0205 | |
| Request to despatch one pair of Lucas P.100 Type Head-Lamps to Messrs. Jos. Lucas Ltd. for correction and modification. | 14th Feb 1936 | Box 61a \ 3 scan0206 | |
| Returning faulty Lucas P.100 headlamps to the makers for modification. | 14th Feb 1936 | Box 61a \ 3 scan0207 | |
| Sending a pair of Notek headlamps for testing, which are claimed to be superior to P.100 lamps. | 15th Feb 1936 | Box 61a \ 3 scan0208 | |
| Letter from Notek Electric Company regarding the dispatch of a lamp and the status of new headlamps ordered from Germany. | 17th Feb 1936 | Box 61a \ 3 scan0209 | |
| Letter discussing a circular for a new headlamp and suggesting a trial. | 18th Feb 1936 | Box 61a \ 3 scan0210 | |
| Promotional brochure for the 'TELEPHOTE' fog and driving lamp. | 18th Feb 1936 | Box 61a \ 3 scan0211 | |
| Promotional document illustrating the features of the 'TELEPHOTE' anti-dazzle and fog lamp. | 21th Feb 1936 | Box 61a \ 3 scan0212 | |
| Submitted Notex Centre Lamp of suspected German design. | 21th Feb 1936 | Box 61a \ 3 scan0213 | |
| Requesting to test and fit a Notek fog-lamp to car B-56-BN. | 24th Feb 1936 | Box 61a \ 3 scan0214 | |
| Letter from The Notek Electric Co. Ltd. about their new headlamps. | 24th Feb 1936 | Box 61a \ 3 scan0215 | |
| Letter from Notek Electric Company regarding a dispatched lamp and a delay on a special order of headlamps from Germany. | 17th Feb 1936 | Box 61a \ 3 scan0216 | |
| Cover letter forwarding a communication from The Notek Electric Co. Ltd. regarding new headlamps. | 24th Feb 1936 | Box 61a \ 3 scan0217 | |
| Letter from Notek Electric Company Limited concerning the delivery and testing of headlamps. | 25th Feb 1936 | Box 61a \ 3 scan0218 | |
| Cover note attaching a letter from The Notek Electric Co. Ltd. regarding special headlamps. | 27th Feb 1936 | Box 61a \ 3 scan0219 | |
| Letter from Notek Electric Company regarding the delivery of special headlamps from Germany and others available for testing. | 25th Feb 1936 | Box 61a \ 3 scan0220 | |
| Attaching a letter from The Notek Electric Co. Ltd. regarding special headlamps. | 27th Feb 1936 | Box 61a \ 3 scan0221 | |
| To Roy requesting the order of Lucas P100R headlamps and an FT.57 fog lamp. | 3rd Mar 1936 | Box 61a \ 3 scan0222 | |
| The testing of Lucas P.100 lamps following a 'black out' on a trials car. | 3rd Mar 1936 | Box 61a \ 3 scan0223 | |
| Order for a Notek Fog Lamp. | 5th Mar 1936 | Box 61a \ 3 scan0224 | |
| Testing of P.100 lamps removed from a trials car, B.2.CW, which had a 'black out' fault. | 6th Mar 1936 | Box 61a \ 3 scan0225 | |
| Delivery and specifications of Notek headlamps. | 7th Mar 1936 | Box 61a \ 3 scan0226 | |
| The despatch of a pair of P.100 headlamps removed from a trials car. | 7th Mar 1936 | Box 61a \ 3 scan0227 | |
| Internal query regarding a customer's request for new improved P.100 headlights for a Bentley chassis. | 19th Mar 1936 | Box 61a \ 3 scan0228 | |
| The development of a modified Lucas P.100.R headlamp following complaints about the existing P.100 model. | 21th Mar 1936 | Box 61a \ 3 scan0229 | |
| Request to order Lucas P.100.R headlamps and FT.57 fog lamps for an experimental Phantom III chassis. | 23th Mar 1936 | Box 61a \ 3 scan0230 | |
| Letter to Notek Electric Co. Ltd. regarding a fog-lamp failure. | 25th Mar 1936 | Box 61a \ 3 scan0231 | |
| Returning two Notek fog-lamps for inspection and repair. | 25th Mar 1936 | Box 61a \ 3 scan0232 | |
| Requesting the despatch of 'notek' headlamps and bulbs on loan to Afford & Sons Ltd. | 26th Mar 1936 | Box 61a \ 3 scan0233 | |
| The return of Fog Lamps to Notek Electrical Co. Ltd. for examination. | 26th Mar 1936 | Box 61a \ 3 scan0234 | |
| Internal order request for lamps from Edison Swan. | 28th Mar 1936 | Box 61a \ 3 scan0235 | |
| The supply of experimental P.100.R headlights to Professor Dodds. | 4th Apr 1936 | Box 61a \ 3 scan0236 | |
| Letter regarding the inability to release a pair of new experimental headlamps for chassis B-34-GA. | 7th Apr 1936 | Box 61a \ 3 scan0237 | |
| Letter from Notek Electric Company regarding a finishing mistake on headlamp shells causing electrical issues. | 8th Apr 1936 | Box 61a \ 3 scan0238 | |
| Invoice from Notek Electric Company Limited for the supply of headlamp shells. | 8th Apr 1936 | Box 61a \ 3 scan0239 | |
| Enquiry for the supply of stone guards for P.100 headlights. | 9th Apr 1936 | Box 61a \ 3 scan0240 | |
| Request to fit a new pair of Lucas P.100.R type headlamps to car 36-EX. | 15th Apr 1936 | Box 61a \ 3 scan0241 | |
| The supplier of stone guards, suggesting further inquiries be made with Messrs. Lucas. | 15th Apr 1936 | Box 61a \ 3 scan0242 | |
| Recommendation to upgrade the fuse board on E.R. Hall's Bentley for Le Mans to prevent headlamp failure. | 16th Apr 1936 | Box 61a \ 3 scan0243 | |
| Letter to E.R. Hall regarding the return of a Notek headlamp and the arrangement for Marchal headlamps for a race. | 16th Apr 1936 | Box 61a \ 3 scan0244 | |
| Arranging the return of two experimental racing car headlamps loaned for examination. | 16th Apr 1936 | Box 61a \ 3 scan0245 | |
| Two faults with special wing lamps from Cornercroft and requesting a latest delivery date. | 20th Apr 1936 | Box 61a \ 3 scan0246 | |
| Ineffectiveness of the green light fuel reserve warning on the Phantom III. | 20th Apr 1936 | Box 61a \ 3 scan0247 | |
| The incorrect Lucas headlamps (P.100 instead of P.100.R) received for model 37-EX. | 20th Apr 1936 | Box 61a \ 3 scan0248 | |
| Requesting to fit a Notek Fog Lamp to car 22-G-V. | 20th Apr 1936 | Box 61a \ 3 scan0249 | |
| Invoice from Joseph Lucas Ltd. for a pair of P.100 R.ED. Headlamps. | 2nd May 1936 | Box 61a \ 3 scan0250 | |
| Letter from Joseph Lucas Ltd. concerning a dispatched sample pair of P.100/ED Chromium plated headlamps. | 30th Apr 1936 | Box 61a \ 3 scan0251 | |
| Requesting to fit a newly received Lucas Rog Lamp type FT.57 onto car 36-EX for testing. | 5th May 1936 | Box 61a \ 3 scan0252 | |
| The retention of a pair of Lucas P.100.R headlamps for an experimental car. | 5th May 1936 | Box 61a \ 3 scan0253 | |
| The unsatisfactory performance of Lucas P.100 headlamps and requested modifications for Bentley and Phantom III chassis. | 6th May 1936 | Box 61a \ 3 scan0254 | |
| Letter to E.R. Hall regarding a telephone inquiry about different types of Marchal headlamp brackets and special fittings for chassis B-35-AE. | 6th May 1936 | Box 61a \ 3 scan0255 | |
| Customer request for two pairs of modified head-lamp pillars. | 7th May 1936 | Box 61a \ 3 scan0256 | |
| Alteration details for the 'Phantom III' Engine Lamp, including new parts and a request to fit them to experimental chassis. | 7th May 1936 | Box 61a \ 3 scan0257 | |
| The return of loaned Notek headlamps and shells. | 11th May 1936 | Box 61a \ 3 scan0258 | |
| The introduction of improved Lucas headlamps for Bentley and Phantom III chassis. | 12th May 1936 | Box 61a \ 3 scan0259 | |
| Letter from Notek Electric Company Limited concerning the supply of new sample headlamps for testing. | 16th May 1936 | Box 61a \ 3 scan0260 | |
| Invoice for two Notek Headlamps sent on approval. | 16th May 1936 | Box 61a \ 3 scan0261 | |
| Issues with battery ignition contact point pitting and a dynamo failing to charge. | 15th Apr 1925 | Box 61b \ 1 scan0001 | |
| Troubleshooting advice for a dynamo and cutout fault, suggesting cleaning brushes and checking connections. | 15th Apr 1925 | Box 61b \ 1 scan0002 | |
| Drilling error on a Goshawk contact breaker lever. | 27th Jun 1926 | Box 61b \ 1 scan0003 | |
| Requesting an inspection and suggesting design improvements for the battery ignition's make and break unit on chassis 10-GIII. | 1st Sep 1926 | Box 61b \ 1 scan0004 | |
| Improvements to the battery ignition contact breaker unit, including felt washers and the position of contact points. | 18th Sep 1926 | Box 61b \ 1 scan0005 | |
| Performance of platinum points in an ignition system under various operating conditions. | 18th Sep 1926 | Box 61b \ 1 scan0006 | |
| Cause of destruction of platinum contacts at low speed. | 18th Sep 1926 | Box 61b \ 1 scan0007 | |
| Performance and issues with battery ignition tungsten contact points compared to other types. | 10th Jan 1927 | Box 61b \ 1 scan0008 | |
| Technical memorandum comparing the off-set on Bosch and Delco-Remy contact breaker pads. | 17th Jan 1927 | Box 61b \ 1 scan0009 | |
| Comparison of battery ignition contact breakers from Bosch, Remy, and a 20 HP model, focusing on point mountings, pressure, and adjustment. | 17th Jan 1927 | Box 61b \ 1 scan0010 | |
| Diagram and description of an umbrella rotor's air circulation function. | 25th Jan 1927 | Box 61b \ 1 scan0011 | |
| Outlining suggestions to improve the life of battery ignition contact points for Phantom, 20 HP, and Silver Ghost models. | 25th Jan 1927 | Box 61b \ 1 scan0012 | |
| Potential improvements for ignition system components and policies for spare parts. | 31th Jan 1927 | Box 61b \ 1 scan0013 | |
| Design of contact makers and exhaust valves for battery ignition systems, including cam timing diagrams. | 31th Jan 1927 | Box 61b \ 1 scan0014 | |
| Discussion with sketches on the design of ignition system components, comparing Bosch, Delco, and Lucas. | 12th Feb 1927 | Box 61b \ 1 scan0015 | |
| Off-set angle of an ignition contact breaker, with a sketch and related queries. | 12th Feb 1927 | Box 61b \ 1 scan0016 | |
| Angular off-set of a battery ignition contact breaker arm, with a diagram and comparison to Bosch and Delco-Remy designs. | 17th Feb 1927 | Box 61b \ 1 scan0017 | |
| Arguing in favor of using tungsten over platinum for battery ignition contact points. | 24th Feb 1927 | Box 61b \ 1 scan0018 | |
| Life, design, and interchangeability of battery ignition contact breaker points, comparing them with Delco and American Bosch parts. | 23th Feb 1927 | Box 61b \ 1 scan0019 | |
| Standardisation of tungsten ignition contact breaker points and associated design considerations. | 14th Mar 1927 | Box 61b \ 1 scan0020 | |
| Technical memorandum discussing the optimization of ignition system components like coils and condensers. | 4th Mar 1927 | Box 61b \ 1 scan0021 | |
| New and replacement parts for the Phantom and E.A.C. V11 ignition distributor. | 8th Mar 1927 | Box 61b \ 1 scan0022 | |
| Progress and potential improvements for a battery ignition system. | 12th Mar 1927 | Box 61b \ 1 scan0023 | |
| 20 HP magneto, starting systems, and sourcing experimental parts from Mr. North. | 2nd Mar 1927 | Box 61b \ 1 scan0024 | |
| Development and testing of a new distributor cam. | 21th Mar 1927 | Box 61b \ 1 scan0025 | |
| Accompanying a blueprint for an offset contact breaker rocker for a battery ignition system. | 22th Mar 1927 | Box 61b \ 1 scan0026 | |
| Experiments on battery ignition systems, specifically the effects of different cams and levers. | 23th Mar 1927 | Box 61b \ 1 scan0027 | |
| New distributor cam design, D.71338, which provides a 40% increase in speed. | 25th Mar 1927 | Box 61b \ 1 scan0028 | |
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