| Description | Date | Identifier | |
| Query regarding the fitment of a Bleriot Phi Cut-out to a test car. | 23th Mar 1921 | Box 48 \ 3 Scan222 | |
| Letter from Phares Bleriot concerning issues and replacements for cut-out components. | 25th Mar 1921 | Box 48 \ 3 Scan223 | |
| The concluding page of a formal letter, awaiting a response. | 1st Aug 1921 | Box 48 \ 3 Scan224 | |
| Notes on the design and operation of a 'compensated type' automatic switch, detailing the timing of its compensating resistance. | 25th Mar 1921 | Box 48 \ 3 Scan225 | |
| Correspondence regarding faulty 'Cut-outs' from Bleriot Ltd. and Phares Blériot. | 30th Mar 1921 | Box 48 \ 3 Scan226 | |
| Confirming the receipt of four Bleriot Phi cut-outs for trial. | 31th Mar 1921 | Box 48 \ 3 Scan227 | |
| Pricing of electrical cut-outs from various suppliers including Lucas, Bleriot, and Smith & Sons. | 31th Mar 1921 | Box 48 \ 3 Scan228 | |
| Specification for the electrical operation of a Blériot PHI Cut-Out (12 Volt System) for a car. | 31th Mar 1921 | Box 48 \ 3 Scan229 | |
| Specifications for the current required to separate cut-out contacts, with corresponding battery E.M.F. values for cold and hot conditions. | 1st Apr 1921 | Box 48 \ 3 Scan230 | |
| Sending a revised specification for Bleriot Phi Cut-outs to Phares Bleriot. | 1st Apr 1921 | Box 48 \ 3 Scan231 | |
| Forthcoming report from Bleriot Ltd. concerning 'Bleriot Cut-outs'. | 8th Apr 1921 | Box 48 \ 3 Scan232 | |
| Report comparing the quality, price, and performance of Bleriot and Smith cut-outs, with mention of new samples from C.A.V. and Lucas. | 1st Apr 1921 | Box 48 \ 3 Scan233 | |
| Copy of a letter from SOCIETE des Etablissements L Bleriot regarding specifications for an automatic switch. | 16th Apr 1921 | Box 48 \ 3 Scan234 | |
| The chosen 'cut-in' and 'cut-out' tensions for an automatic switch. | 16th Apr 1921 | Box 48 \ 3 Scan235 | |
| Letter from Societe Des Etablissements L Bleriot discussing the specifications and adjustment of automatic electrical switches. | 19th Apr 1921 | Box 48 \ 3 Scan236 | |
| Request for a report on the behaviour of a Bleriot Phi cutout fitted to a car. | 19th Apr 1921 | Box 48 \ 3 Scan237 | |
| Letter from motor lamp manufacturer Blériot Limited regarding 'cut-outs' and an enclosure from their Paris House. | 19th Apr 1921 | Box 48 \ 3 Scan238 | |
| Forwarding a letter from Bleriot Ltd. regarding Bleriot FHI Cut-outs. | 21th Apr 1921 | Box 48 \ 3 Scan239 | |
| Instruction note complaining about the poor re-adjustment of four Blériot-Phi cut-outs. | 21th Apr 1921 | Box 48 \ 3 Scan240 | |
| Instructions sheet detailing voltage cut-in points and auxiliary contact status. | 24th Jan 1919 | Box 48 \ 3 Scan241 | |
| Unsatisfactory performance of Bleriot Phi cutouts returned from the manufacturer after adjustment. | 21th Apr 1921 | Box 48 \ 3 Scan242 | |
| Planned visit to Messrs. Bleriot's London premises regarding instruments. | 21th Apr 1921 | Box 48 \ 3 Scan243 | |
| Returning four Bleriot PHI cutouts to the supplier, Messrs. Bleriot. | 21th Apr 1921 | Box 48 \ 3 Scan244 | |
| Giving instructions for the despatch of four 'Bleriot PHI Cutouts' to Messrs. Bleriot in London. | 22th Apr 1921 | Box 48 \ 3 Scan245 | |
| Performance and testing of Bleriot cut-outs after 600 miles of use. | 22th Apr 1921 | Box 48 \ 3 Scan246 | |
| Correspondence regarding a complaint about Bleriot PHI cut-outs and their country of origin. | 25th Apr 1921 | Box 48 \ 3 Scan247 | |
| Correspondence summarising a letter from Bleriot Ltd. regarding the supply and specifications of PHI Cut-outs. | 30th Apr 1921 | Box 48 \ 3 Scan248 | |
| Issues with obtaining satisfactory Bleriot Phi cutouts. | 10th May 1921 | Box 48 \ 3 Scan249 | |
| Specifications and operation of a 'cut-out' component with a supplier. | 10th May 1921 | Box 48 \ 3 Scan250 | |
| Letter to Messrs. Bleriot Ltd. concerning the voltage specifications for the electrical setting of a cutout. | 10th May 1921 | Box 48 \ 3 Scan251 | |
| The operational characteristics of a dynamo cutout system and the Bleriot Phi cutout. | 10th May 1921 | Box 48 \ 3 Scan252 | |
| The performance and specification of dynamo cutouts and their interaction with the battery. | 12th May 1921 | Box 48 \ 3 Scan253 | |
| Letter from motor lamp manufacturer Blériot Limited concerning cut-out samples and a potential contract. | 12th May 1921 | Box 48 \ 3 Scan254 | |
| Letter from Bleriot's Paris House regarding the supply of Bleriot Phi Cut-outs. | 24th May 1921 | Box 48 \ 3 Scan255 | |
| Ordering and supply status of Bleriot Phi cutouts for experimental and trials cars. | 30th May 1921 | Box 48 \ 3 Scan256 | |
| Urgent need to obtain more satisfactory electrical equipment, rejecting Lucas parts and suggesting US alternatives. | 13th Jun 1921 | Box 48 \ 3 Scan257 | |
| Extract comparing the reliability and functionality of a Bleriot cutout versus a Lucas cutout. | 14th Jun 1921 | Box 48 \ 3 Scan258 | |
| Receipt and specifications of six Bleriot Phi Cut-outs from Bleriot Ltd. | 15th Jun 1921 | Box 48 \ 3 Scan259 | |
| Forwarding of 6 Cut-outs from Bleriot Limited for experiment 4215. | 15th Jun 1921 | Box 48 \ 3 Scan260 | |
| Confirming receipt of a letter from Bleriot Ltd. regarding the dispatch of Bleriot PHI Cut-outs. | 30th Jun 1921 | Box 48 \ 3 Scan261 | |
| Instructions for handling and adjusting Bleriot Phi Cutouts based on their serial numbers. | 16th Jul 1921 | Box 48 \ 3 Scan262 | |
| Adjustment instructions for the Bleriot Phi cutout instrument. | 16th Jul 1921 | Box 48 \ 3 Scan263 | |
| Letter from Blériot Limited following up on the supply of 6 Cut-Outs. | 27th Jul 1921 | Box 48 \ 3 Scan264 | |
| Letter to Messrs. Bleriot Ltd. postponing feedback on the testing of cutouts. | 8th Aug 1921 | Box 48 \ 3 Scan265 | |
| Performance of Bleriot Phi cutouts on test cars and offering a replacement. | 8th Aug 1921 | Box 48 \ 3 Scan266 | |
| Letter from Blériot Limited regarding cut-outs. | 9th Aug 1927 | Box 48 \ 3 Scan267 | |
| The quality, testing, and vibration issues of Bleriot Phi Cutouts. | 11th Aug 1921 | Box 48 \ 3 Scan268 | |
| Adjustment and performance of electrical cutouts, referencing correspondence with the Bleriot Company. | 11th Aug 1921 | Box 48 \ 3 Scan269 | |
| Return of Bleriot Phi Cutout No. 34685 after successful testing. | 31th Aug 1921 | Box 48 \ 3 Scan270 | |
| Extract regarding the distributing board and dynamo cutout for the Goshawk II. | 14th Sep 1921 | Box 48 \ 3 Scan271 | |
| Letter from Blériot Limited inquiring about the testing of 'Cut-outs' previously supplied. | 5th Oct 1921 | Box 48 \ 3 Scan272 | |
| Quality and performance testing of Bleriot PHI Cutouts samples. | 10th Oct 1921 | Box 48 \ 3 Scan273 | |
| The testing of a Bleriot Phi cutout and its potential use with a Goshawk chassis. | 6th Oct 1921 | Box 48 \ 3 Scan274 | |
| Letter to Bleriot Ltd. concerning the quality and adjustment of Bleriot Phi Cut-outs. | 7th Oct 1921 | Box 48 \ 3 Scan275 | |
| Page 2 of a letter discussing experimental cutouts, adjustments, and test results. | 10th Dec 1929 | Box 48 \ 3 Scan276 | |
| Letter from Blériot Limited regarding the return and testing of two cut-out instruments. | 8th Oct 1921 | Box 48 \ 3 Scan277 | |
| Instructing the return of two Bleriot Phi type cutouts to the makers for readjustment due to not meeting specifications. | 10th Oct 1921 | Box 48 \ 3 Scan278 | |
| Letter to Bleriot Ltd. concerning the return of two vibrating cut-out instruments and the method of their adjustment. | 10th Oct 1921 | Box 48 \ 3 Scan279 | |
| Letter from Blériot Limited regarding the adjustment and return of two cut-outs. | 11th Oct 1921 | Box 48 \ 3 Scan280 | |
| The testing of a Bleriot PHI cutout instrument on a Goshawk engine test bed. | 12th Oct 1921 | Box 48 \ 3 Scan281 | |
| The fitting of a Bleriot cutout to Goshawk II. | 18th Oct 1921 | Box 48 \ 3 Scan282 | |
| Letter from Blériot Limited arranging a meeting about 'Cut-outs' at the Olympia Motor Show. | 1st Nov 1921 | Box 48 \ 3 Scan283 | |
| Letter to Messrs. Bleriot Ltd. arranging a meeting at the Show to discuss the Bleriot cutout. | 2nd Nov 1921 | Box 48 \ 3 Scan284 | |
| Letter from Blériot Ltd confirming a meeting at Olympia to discuss cut-outs. | 3rd Nov 1921 | Box 48 \ 3 Scan285 | |
| Cover letter forwarding correspondence from Messrs. Bleriot Limited regarding two cutouts, requesting a reply. | 16th Nov 1921 | Box 48 \ 3 Scan286 | |
| Letter from Bleriot Limited detailing the test results for two cut-outs. | 10th Nov 1921 | Box 48 \ 3 Scan287 | |
| Copy of a letter from Bleriot Ltd. to Rolls-Royce regarding an order for cutouts. | 22th Nov 1921 | Box 48 \ 3 Scan288 | |
| Status of Bleriot Phi Cutouts for use on experimental Goshawk chassis. | 30th Nov 1921 | Box 48 \ 3 Scan289 | |
| Copy of a letter from Bleriot Limited regarding a visit to Ericsson's Works about a cutout. | 8th Feb 1922 | Box 48 \ 3 Scan290 | |
| Bleriot Phi cutout and the decision to use a different in-house designed cutout for the Goshawk engine's electrical system. | 10th Feb 1922 | Box 48 \ 3 Scan291 | |
| Test results table for Bleriot Phi cutouts under cold operating conditions. | 4th Jan 1921 | Box 48 \ 3 Scan292 | |
| Test report for Bleriot Phi cutouts under hot operating conditions. | 4th Jan 1921 | Box 48 \ 3 Scan293 | |
| Test results for Bleriot Phi Cutouts under cold operating conditions. | 4th Jan 1921 | Box 48 \ 3 Scan294 | |
| Test data sheet for Bleriot PHI cutouts under hot conditions. | 4th Jan 1921 | Box 48 \ 3 Scan295 | |
| Choice of Rotax, Smith or Bleriot Phi cutouts for West Wittering. | 12th Oct 1922 | Box 48 \ 3 Scan296 | |
| From 'R' to 'EFC' discussing the construction and testing of a cutout for a 24/30 voltage system. | 14th Oct 1922 | Box 48 \ 3 Scan297 | |
| The modification of a Bleriot Phi cutout for West Wittering. | 16th Oct 1922 | Box 48 \ 3 Scan298 | |
| Instructions for modifying a Bleriot-Phi Cut-out for 24 Volts by replacing the windings. | 19th Oct 1922 | Box 48 \ 3 Scan299 | |
| The rewinding of a Bleriot phi cutout for 24 volts. | 23th Oct 1922 | Box 48 \ 3 Scan300 | |
| Instruction for measuring coil resistance after the main shunt winding is applied. | 23th Oct 1922 | Box 48 \ 3 Scan301 | |
| The despatch of a Bleriot Phi cutout to Mr. Royce. | 16th Nov 1922 | Box 48 \ 3 Scan302 | |
| The modification of a Bleriot phi cutout to 24-volt working, including adjusted resistance and current figures. | 16th Nov 1922 | Box 48 \ 3 Scan303 | |
| Wiring diagram of a Bleriot PHI cutout. | 25th Apr 1923 | Box 48 \ 3 Scan304 | |
| The replacement of a Bijur dynamo with a Lucas dynamo due to a faulty voltage regulator. | 25th Apr 1923 | Box 48 \ 3 Scan305 | |
| Letter offering the sole manufacturing rights for a Dyno-Starter and arranging a demonstration. | 12th Nov 1920 | Box 48 \ 3 Scan306 | |
| Particulars of a combined electric starter and dynamo unit for consideration. | 17th Nov 1920 | Box 48 \ 3 Scan307 | |
| Investigation of a starter motor and the provision of blueprints to Mr. Hives. | 17th Nov 1920 | Box 48 \ 3 Scan308 | |
| Consideration of a combined starter and dynamo versus separate units. | 17th Nov 1920 | Box 48 \ 3 Scan309 | |
| Description of a combined electric starter and lighter, detailing its patented internal epicyclic change speed gear and operational principles. | 18th Nov 1920 | Box 48 \ 3 Scan310 | |
| Description of the mechanical operation of a combined electric starter and lighter, including its response to an engine backfire. | 6th Dec 1920 | Box 48 \ 3 Scan311 | |
| Letter requesting comments on a submitted blueprint and specification for a dynamo starter. | 6th Dec 1920 | Box 48 \ 3 Scan312 | |
| Letter responding to a proposal for a dyno-starter, expressing limited interest and outlining objections. | 6th Dec 1920 | Box 48 \ 3 Scan313 | |
| Combined starter and lighter invention and its potential for the Goshawk II chassis. | 12th Jan 1922 | Box 48 \ 3 Scan314 | |
| Close-up photograph of a dynamo mounted next to a honeycomb radiator. | 1st Jan 1919 | Box 48 \ 3 Scan315 | |
| Blueprint of an electric starter and dynamo unit. | 1st Jan 1919 | Box 48 \ 3 Scan316 | |
| Technical specifications and performance data for a 12-volt combined starter and lighter system. | 10th Jan 1921 | Box 48 \ 3 Scan317 | |
| Preference for separate starter motors and dynamos over combined units for simplicity and maintenance. | 10th Jan 1921 | Box 48 \ 3 Scan318 | |
| Letter to Shaw & Kilburn Ltd. regarding the return of an incorrect part and a request for the correct water pump casing. | 13th Sep 1934 | Box 48 \ 3 Scan319 | |
| Sample 'FORS' Battery from the Callender Cable Company for trial. | 11th Aug 1923 | Box 48 \ 3 Scan320 | |
| The routine treatment and testing of car lighting and starting batteries. | 13th May 1923 | Box 48 \ 3 Scan321 | |
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