| Description | Date | Identifier | |
| Testing of an electrical cutout from chassis 30-HC. | 9th Dec 1925 | Box 70 \ 3 scan0191 | |
| Successful testing and return of an electrical cutout from chassis 30-HC. | 14th Jan 1926 | Box 70 \ 3 scan0192 | |
| Report from the Head Electrician on failing cut-out points on 20HP and New Phantom models. | 5th Feb 1926 | Box 70 \ 3 scan0193 | |
| Faulty distribution board returned from chassis 29-MC for examination. | 23th Mar 1926 | Box 70 \ 3 scan0194 | |
| Report and the return of a distribution box from chassis 29-MC. | 1st Apr 1926 | Box 70 \ 3 scan0195 | |
| Examination report on a faulty distribution box from chassis 29-MC. | 25th Mar 1926 | Box 70 \ 3 scan0196 | |
| Burnt-out cut-out on Chassis No. 68-HC, suggesting probable external electrical faults as the cause. | 16th Apr 1926 | Box 70 \ 3 scan0197 | |
| Page two of a memo regarding melted solder on Chassis No. 68-HC, outlining troubleshooting steps and requesting a previous memo. | 16th Apr 1926 | Box 70 \ 3 scan0198 | |
| Requesting an investigation into faulty electrical units from chassis 50-RC, suspecting owner carelessness. | 24th Aug 1926 | Box 70 \ 3 scan0199 | |
| Examination of a dynamo, distribution box, and switch fault on chassis 50-RC, identifying a design weakness. | 1st Sep 1926 | Box 70 \ 3 scan0200 | |
| Inspection report on a faulty dynamo, discussing the cause of failure including customer modification with a copper wire. | 1st Sep 1926 | Box 70 \ 3 scan0201 | |
| Report investigating an overheating electrical fault in the dynamo cut-out on chassis 50-RC. | 9th Sep 1926 | Box 70 \ 3 scan0202 | |
| Requesting the collection and repair of a dynamo and a distribution board. | 9th Sep 1926 | Box 70 \ 3 scan0203 | |
| Inspection report on a distribution box for Chassis 50-RC, discussing heating issues and loose connections. | 13th Sep 1926 | Box 70 \ 3 scan0204 | |
| Letter concerning a mistake with the distribution board for chassis 66-RC and a request for the field fuses. | 8th Dec 1926 | Box 70 \ 3 scan0205 | |
| Mistake with a distribution board for chassis 66-RC. | 8th Dec 1926 | Box 70 \ 3 scan0206 | |
| Examination of a complaint regarding blowing field fuses on a Dynamo and Distribution Board from chassis 103-MC. | 1st Jan 1927 | Box 70 \ 3 scan0207 | |
| Continued memorandum discussing a customer's attempted repair of a fault and the return of a dynamo and distribution board. | 4th Jan 1927 | Box 70 \ 3 scan0208 | |
| Faults found on a Dynamo and Distribution Board from chassis 66-RC. | 4th Jan 1927 | Box 70 \ 3 scan0209 | |
| Fault analysis report on a dynamo-battery circuit, detailing missing fuses, overheating, and melted solder. | 15th Feb 1928 | Box 70 \ 3 scan0210 | |
| Customer complaint about a burnt-out distribution board cut-out on chassis 71-RC. | 15th Feb 1928 | Box 70 \ 3 scan0211 | |
| Faulty electrical cut-out on chassis 44-UF and associated repair costs. | 15th Feb 1928 | Box 70 \ 3 scan0212 | |
| Faulty electrical cutout on chassis 71-MC and the associated repair costs. | 16th Feb 1928 | Box 70 \ 3 scan0213 | |
| Request for the examination of a faulty condenser and two cutouts from various chassis. | 7th Feb 1928 | Box 70 \ 3 scan0214 | |
| Fault report detailing the examination and testing of a cutout from chassis 44 UF. | 20th Feb 1928 | Box 70 \ 3 scan0215 | |
| Instruction sheet detailing a fault with a cut-out from chassis 44.UF. | 20th Feb 1928 | Box 70 \ 3 scan0216 | |
| Inspection notes on a series coil bobbin and cut-out, detailing defects and test results. | 8th Dec 1924 | Box 70 \ 3 scan0217 | |
| Requesting a replacement for a noisy 40/50 Dynamo UG15 removed from a chassis. | 3rd Dec 1925 | Box 70 \ 3 scan0218 | |
| The investigation of a noisy dynamo on a 40/50 HP chassis. | 2nd Dec 1925 | Box 70 \ 3 scan0219 | |
| Examination and test report on a noisy 40/50 Dynamo UG.13, detailing findings on polarity and mechanical issues. | 16th Dec 1925 | Box 70 \ 3 scan0220 | |
| Complaint from Messrs Hoopers regarding side lamp filaments burning out on several chassis. | 2nd Feb 1926 | Box 70 \ 3 scan0221 | |
| Replacing dynamos on two 40/50 HP chassis following a complaint from Messrs. Hoopers regarding burning side lamp filaments. | 9th Feb 1926 | Box 70 \ 3 scan0222 | |
| Delay in supplying two new dynamos and suggesting the repair of existing ones due to potential loose connections. | 10th Feb 1926 | Box 70 \ 3 scan0223 | |
| Dynamo tests for two 40/50 HP chassis being used as demonstration cars by Messrs Hoopers. | 13th Feb 1926 | Box 70 \ 3 scan0224 | |
| Request to test two EAC dynamos due to issues with side lamp filaments burning out on two chassis for Hoopers. | 22th Feb 1926 | Box 70 \ 3 scan0225 | |
| Complaints about side lamp filaments burning out and the plan to investigate the dynamos. | 3rd Mar 1926 | Box 70 \ 3 scan0226 | |
| The receipt of dynamo JU.95 from chassis 89-MC. | 24th Mar 1926 | Box 70 \ 3 scan0227 | |
| The return of the first New Phantom dynamo from chassis 1-LC for examination. | 25th Mar 1926 | Box 70 \ 3 scan0228 | |
| Investigation of dynamos from chassis 71-RC and 89-MC after a complaint about side lamp filaments burning out. | 29th Mar 1926 | Box 70 \ 3 scan0229 | |
| Instruction sheet detailing the testing and analysis of a returned machine with a high output complaint. | 30th Mar 1926 | Box 70 \ 3 scan0230 | |
| Instruction sheet detailing the testing of a complaint machine returned from Hoopers due to high output. | 31th Mar 1926 | Box 70 \ 3 scan0231 | |
| Inspection report on a Dynamo JU.95 from chassis 89-MC, which was found to be satisfactory for service. | 31th Mar 1926 | Box 70 \ 3 scan0232 | |
| Investigation into the output of two dynamos, JU.95 and RE.25, with one found to have excessively high output. | 31th Mar 1926 | Box 70 \ 3 scan0233 | |
| Investigation into machine performance, related to lamp voltage and brush angles. | 31th Mar 1926 | Box 70 \ 3 scan0234 | |
| Investigation into faulty dynamos from chassis 89-MC and 71-RC which caused the side lamps to burn out. | 8th Apr 1926 | Box 70 \ 3 scan0235 | |
| Instructions sheet detailing the cause of an overheated dynamo. | 9th Apr 1926 | Box 70 \ 3 scan0236 | |
| Overheated Dynamo (TP.55) from chassis 1-LC, which has thrown solder from its commutator connections. | 9th Apr 1926 | Box 70 \ 3 scan0237 | |
| Inquiring about the battery type for chassis 71-RC, with a handwritten reply. | 9th Apr 1926 | Box 70 \ 3 scan0238 | |
| Investigating a customer complaint of a high-output dynamo by testing it on an experimental car. | 9th Apr 1926 | Box 70 \ 3 scan0239 | |
| Clarifying the side lamp and battery specifications for chassis numbers 89-MC and 71-RO following a complaint. | 12th Apr 1926 | Box 70 \ 3 scan0240 | |
| Forwarding a customer letter which identifies faulty bulbs as the cause for side lamps burning out, not the car's electrical system. | 23th Apr 1926 | Box 70 \ 3 scan0241 | |
| Investigation into why side lamps were burning out, which was traced to faulty bulbs from the supplier. | 23th Apr 1926 | Box 70 \ 3 scan0242 | |
| Request for dynamo output figures to investigate a customer's over-charging and lamp blackening issue on a Silver Ghost. | 11th Jun 1926 | Box 70 \ 3 scan0243 | |
| Potential cutout armature jam due to temperature rise and providing diagnostic instructions. | 18th Jun 1925 | Box 70 \ 3 scan0244 | |
| Troubleshooting advice for dynamo electrical faults, including cutout and brush issues. | 18th Jun 1926 | Box 70 \ 3 scan0245 | |
| Conclusion to a technical discussion about tracing and resolving an issue. | 18th Jun 1926 | Box 70 \ 3 scan0246 | |
| Inspection report on a faulty customer's dynamo detailing insulation failure due to carbon dust. | 29th Jun 1920 | Box 70 \ 3 scan0247 | |
| Examination report on a faulty dynamo, distribution box, and switch for chassis 50-RC, identifying a design weakness in a connection point. | 1st Sep 1926 | Box 70 \ 3 scan0248 | |
| Technical report on a faulty dynamo, noting a customer's incorrect fuse replacement. | 1st Sep 1926 | Box 70 \ 3 scan0249 | |
| Charred insulation on the dynamo from chassis 50 RC requiring replacement. | 2nd Sep 1926 | Box 70 \ 3 scan0250 | |
| Faulty Dynamo T.A.75 from chassis 66-SC, returned from Cricklewood due to burning platinum points of the cutout. | 17th Sep 1926 | Box 70 \ 3 scan0251 | |
| Instruction sheet detailing the bench test results for a Dynamo T.A.75 from Chassis 66.SC. | 23th Sep 1926 | Box 70 \ 3 scan0252 | |
| The testing of a Dynamo TA.75 from Chassis 66-SC, finding no fault but recommending a brush setting alteration. | 23th Sep 1926 | Box 70 \ 3 scan0253 | |
| Request for an examination of two burnt-out dynamos from Phantom chassis to determine the cause of failure. | 15th Nov 1926 | Box 70 \ 3 scan0254 | |
| The repeated burnout of a dynamo fitted to vehicle 64-HC, identifying loose connections as the cause. | 15th Nov 1926 | Box 70 \ 3 scan0255 | |
| Analysis of a burnt-out dynamo from chassis 64-HC, detailing the suspected cause and extent of the damage. | 23th Nov 1926 | Box 70 \ 3 scan0256 | |
| Analysis of a dynamo burn-out, focusing on the functionality and limitations of the field fuse. | 23th Nov 1926 | Box 70 \ 3 scan0257 | |
| Dynamo field fuse sizing and testing to prevent damage under open circuit conditions for 20 HP and 40/50 models. | 23th Nov 1926 | Box 70 \ 3 scan0258 | |
| Fuse failure in a 40/50 case and the return of dynamo and distribution box parts. | 23th Nov 1926 | Box 70 \ 3 scan0259 | |
| Failure analysis of a Dynamo EB.35 from chassis 92-HC, which overheated and melted solder at the commutator connections. | 23th Nov 1926 | Box 70 \ 3 scan0260 | |
| Return of a faulty dynamo and other electrical components for examination and reconditioning. | 26th Nov 1926 | Box 70 \ 3 scan0261 | |
| Investigation report on a dynamo delivered with incorrect polarity and subsequent tests on solder melting points. | 12th Dec 1926 | Box 70 \ 3 scan0262 | |
| 40/50 dynamo from chassis 20-HC, detailing faults including solder running and damaged components. | 1st Jan 1927 | Box 70 \ 3 scan0263 | |
| Examination report detailing faults found in a dynamo and distribution board from chassis 103-MC, following a complaint of blowing field fuses. | 1st Jan 1927 | Box 70 \ 3 scan0264 | |
| Report discussing a customer's modification to a spring on a component and the return of a dynamo and distribution board. | 4th Jan 1927 | Box 70 \ 3 scan0265 | |
| The condition of a dynamo and distribution board from chassis 66-RC, noting issues like overheating and damaged components. | 1st Jan 1927 | Box 70 \ 3 scan0266 | |
| Analysis of electrical circuit faults and the resulting conclusions. | 9th Dec 1926 | Box 70 \ 3 scan0267 | |
| Electrical equipment for Chassis 66-RC and Phantom Type Stock at the Cricklewood Lane facility. | 9th Dec 1926 | Box 70 \ 3 scan0268 | |
| Request for a report on the dynamo distributor and switchbox returned from chassis 66-RC. | 25th Nov 1926 | Box 70 \ 3 scan0269 | |
| Follow-up memo regarding a report for a returned Phantom Distribution Board. | 30th Nov 1926 | Box 70 \ 3 scan0270 | |
| Damaged Phantom type Chassis Distributor Board received from Cricklewood Lane Stock. | 1st Dec 1926 | Box 70 \ 3 scan0271 | |
| Clarifying details regarding a Phantom type Chassis Distribution Board. | 7th Dec 1926 | Box 70 \ 3 scan0272 | |
| Request for the examination of a 40/50 dynamo and distribution board from chassis 103MC. | 30th Dec 1926 | Box 70 \ 3 scan0273 | |
| Faulty Dynamo from Chassis 45-SC returned to the Works for examination. | 12th Feb 1927 | Box 70 \ 3 scan0274 | |
| Instruction sheet detailing the examination and test results of a customer's faulty dynamo from chassis 45.SC. | 16th Feb 1927 | Box 70 \ 3 scan0275 | |
| Instruction sheet detailing a fault investigation into an overheated electrical machine, likely due to running on an open circuit. | 29th Jun 1920 | Box 70 \ 3 scan0276 | |
| Examination report of a 40/50 Dynamo from chassis 45SC, with findings and a list of required repairs. | 17th Feb 1927 | Box 70 \ 3 scan0277 | |
| Instructions to modify a special large output dynamo for chassis 100-EF destined for India to prevent overheating. | 24th Feb 1927 | Box 70 \ 3 scan0278 | |
| Test report on a Dynamo CX.65 from production, noting an incorrect brush holder clearance. | 2nd Mar 1927 | Box 70 \ 3 scan0279 | |
| Letter regarding the return of a dynamo for chassis 100-EF due to a missing control brush adjustment. | 4th Mar 1927 | Box 70 \ 3 scan0280 | |
| Cause of an overheating dynamo on chassis 32-RC, attributing it to incorrect brush bedding. | 14th Mar 1927 | Box 70 \ 3 scan0281 | |
| Investigation report into a faulty dynamo from chassis 32-RC. | 14th Mar 1927 | Box 70 \ 3 scan0282 | |
| Technical memo diagnosing a fault in a Dynamo W.45 X from Chassis 7-LC, suggesting arcing caused by foreign material. | 16th Mar 1927 | Box 70 \ 3 scan0283 | |
| Investigation report into a faulty dynamo from chassis 7-LC, detailing issues with solder, sparking, and overheating. | 15th Mar 1927 | Box 70 \ 3 scan0284 | |
| Faulty Dynamo DE.85 from chassis 60.RC, suggesting giving the customer the benefit of the doubt. | 22th Mar 1927 | Box 70 \ 3 scan0285 | |
| Examination report on a faulty Dynamo DE.85 from chassis 60 RC with melted solder. | 21th Mar 1927 | Box 70 \ 3 scan0286 | |
| Complaints and remarks for various 40/50 HP chassis. | 30th Mar 1927 | Box 70 \ 3 scan0287 | |
| Instruction sheet regarding a complaint of dirt accumulation in a Phantom Dynamo and a request for a report. | 12th May 1927 | Box 70 \ 3 scan0288 | |
| Return of a 40/50 Dynamo ER55 from chassis 82-HC, along with an assistant's report PC.137. | 17th May 1927 | Box 70 \ 3 scan0289 | |
| Investigation report into a complaint about dirt accumulating in dynamo ER55 from chassis 82-HC. | 16th May 1927 | Box 70 \ 3 scan0290 | |
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