| Description | Date | Identifier | |
| Providing an update on various engine tests, axle issues, and progress on aircraft and boat projects. | 7th May 1930 | Box 19 \ 3 Scan322 | |
| 20-EX vehicle testing, frame stiffening, suspension issues, and arrangements for a left-hand drive car test. | 7th May 1930 | Box 19 \ 3 Scan323 | |
| Radiator cooling issues, brake squeaks, and damper performance on specific chassis. | 7th May 1930 | Box 19 \ 3 Scan324 | |
| List of required modifications and instructions for a Phantom II, second chassis. | 7th May 1930 | Box 19 \ 3 Scan325 | |
| Numbered list of queries and action items regarding vehicle component design, sourcing, and fitting. | 7th May 1930 | Box 19 \ 3 Scan326 | |
| Page of minutes discussing a rear wheel carrier, an instrument board for American instruments, and an instruction book. | 7th May 1930 | Box 19 \ 3 Scan327 | |
| Finishing instructions for Experimental Phantom II No. 2, concerning paint, moulding, and interior trim. | 8th May 1930 | Box 19 \ 3 Scan328 | |
| Letter to G.W. Hancock regarding a forgotten washer and new Lodge sparking plugs for testing. | 8th May 1930 | Box 19 \ 3 Scan329 | |
| Arranging a meeting to discuss the contents of the L.H. Phantom II tool kit. | 8th May 1930 | Box 19 \ 3 Scan330 | |
| Design of fabric couplings, comparing screwed ferrules to rivets and bulged to plain types. | 9th May 1930 | Box 19 \ 3 Scan331 | |
| Test results of a bulged fabric coupling compared to the standard version. | 9th May 1930 | Box 19 \ 3 Scan332 | |
| Confirming the dispatch of radiator mounting pieces and an accompanying spring sketch. | 9th May 1930 | Box 19 \ 3 Scan333 | |
| Standardisation of new features between English and American left-hand drive chassis. | 29th May 1930 | Box 19 \ 3 Scan334 | |
| Issues with the shock dampers and central lubrication on a left-handed chassis for America before a 10,000-mile test. | 9th May 1930 | Box 19 \ 3 Scan335 | |
| Proposals and modifications for shock dampers. | 10th May 1930 | Box 19 \ 3 Scan336 | |
| Secret memo discussing the sourcing and technical specifications of American vs. English instruments for the L.H. S.S. instrument board. | 10th May 1930 | Box 19 \ 3 Scan337 | |
| Supply and fitting of instruments, proposing which parts should be supplied by America vs. England. | 10th May 1930 | Box 19 \ 3 Scan338 | |
| Instrument panel lighting and the sourcing of instruments for vehicles. | 10th May 1930 | Box 19 \ 3 Scan339 | |
| Schemes for front shock dampers and centralised lubrication for the 2nd L.H. Phantom II. | 11th May 1930 | Box 19 \ 3 Scan340 | |
| Suggestions for the bonnet and radiator shutter temperature range. | 12th May 1930 | Box 19 \ 3 Scan341 | |
| Engine cooling systems, including thermostats and bonnet ventilation. | 12th May 1930 | Box 19 \ 3 Scan342 | |
| Comparing shutters and louvres, discussing radiator performance, and proposals for coachwork ventilation. | 12th May 1930 | Box 19 \ 3 Scan343 | |
| Vehicle ventilation and dashboard design issues, with a summary of suggested improvements. | 12th May 1930 | Box 19 \ 3 Scan344 | |
| Technical memo discussing design changes for the front shock damper central lubrication system. | 12th May 1930 | Box 19 \ 3 Scan345 | |
| Continued discussion on coils, pressure systems, and rear dampers. | 12th May 1930 | Box 19 \ 3 Scan346 | |
| Design changes to the L.H. Chassis, specifically the hand brake quadrant stop and a gear lever retaining nut. | 14th May 1930 | Box 19 \ 3 Scan347 | |
| Telegram reporting that the modified radiator mounting on the 24/EX is absolutely steady. | 14th May 1930 | Box 19 \ 3 Scan348 | |
| Visit to 'R.' at Le Canadel discussing the design of the 25 HP car. | 14th May 1930 | Box 19 \ 3 Scan349 | |
| Design changes for a 25 HP experimental chassis and modifications to the Phantom II. | 14th May 1930 | Box 19 \ 3 Scan350 | |
| Report page discussing design modifications for the Phantom II left-hand chassis, engine controls, and bumpers. | 14th May 1930 | Box 19 \ 3 Scan351 | |
| Page from a report discussing aero engine options including twelve, eight, and six-cylinder variants, and compression ignition. | 14th May 1930 | Box 19 \ 3 Scan352 | |
| Engine development, considering a longer stroke, a 1000 HP requirement, and a two-charge battery scheme. | 14th May 1930 | Box 19 \ 3 Scan353 | |
| Maintenance and delivery instructions for Mr. Sidgreaves' car, model 404 MR. | 14th May 1930 | Box 19 \ 3 Scan354 | |
| Modification to the front step-iron on a Left-hand Phantom II chassis for an experimental car. | 14th May 1930 | Box 19 \ 3 Scan355 | |
| Selection and arrangement of instruments for the P.2. L.H. vehicle instrument board. | 14th May 1930 | Box 19 \ 3 Scan356 | |
| Modifications and specifications for an American instrument board. | 14th May 1930 | Box 19 \ 3 Scan357 | |
| American instruments, a Seth Thomas clock and an American speedometer, for an experimental car. | 14th May 1930 | Box 19 \ 3 Scan358 | |
| Fitment and isolation gap for the L.H. Bonnet. | 14th May 1930 | Box 19 \ 3 Scan359 | |
| The repositioning of L.H. Step Brackets for the P.2 model. | 14th May 1930 | Box 19 \ 3 Scan360 | |
| Telegram from Hancock requesting a paper authorizing a signature for '24 - EX'. | 14th May 1930 | Box 19 \ 3 Scan361 | |
| Calculations for spring deflection and pitching frequency on Phantom II and 25 HP models. | 15th May 1930 | Box 19 \ 3 Scan362 | |
| Authorization letter for Mr G. W. Hancock to sign papers regarding car 24-EX. | 15th May 1930 | Box 19 \ 3 Scan363 | |
| Confirming that the modified 24-EX radiator mounting is absolutely steady. | 15th May 1930 | Box 19 \ 3 Scan364 | |
| Highlighting an issue where fitting bumpers prevents the starting handle from being positioned correctly on the L.H. Chassis. | 15th May 1930 | Box 19 \ 3 Scan365 | |
| Outlining various points of discussion and suggestions regarding the second L.H. Phantom II experimental car. | 15th May 1940 | Box 19 \ 3 Scan366 | |
| Continuation page of a document with questions and comments on vehicle design features. | 15th May 1930 | Box 19 \ 3 Scan367 | |
| Investigations into rough engines and chronic pounding on the L.H. P.I. Chassis. | 16th May 1930 | Box 19 \ 3 Scan368 | |
| Engine vibration issues ('pounders') and investigating specific chassis complaints, concluding that coachwork resonance is the likely cause. | 30th Apr 1930 | Box 19 \ 3 Scan369 | |
| Letter discussing the results of lining up induction pipe bores on two specific engines to reduce thumping. | 29th Apr 1930 | Box 19 \ 3 Scan370 | |
| Procurement of a special fuel gauge to suit American conditions. | 16th May 1930 | Box 19 \ 3 Scan371 | |
| Objections to instrument board components and proposing alternative solutions. | 17th May 1930 | Box 19 \ 3 Scan372 | |
| List of design considerations for vehicle dashboard instruments and controls. | 17th May 1930 | Box 19 \ 3 Scan373 | |
| Commentary on the instrument panel layout of the Phantom II model and potential modifications for additional instruments. | 16th May 1930 | Box 19 \ 3 Scan374 | |
| Blueprint detailing the layout and components of an automobile instrument board. | 16th May 1930 | Box 19 \ 3 Scan375 | |
| Cover sheet with a 'Print Room, Derby' reception stamp. | 16th May 1930 | Box 19 \ 3 Scan376 | |
| Forwarding notes on issues with the Phantom II Chassis, 69-WJ, the second chassis shipped to the United States. | 19th May 1930 | Box 19 \ 3 Scan377 | |
| Test drive report and fault analysis for chassis 69-WJ. | 2nd May 1930 | Box 19 \ 3 Scan378 | |
| Technical memorandum discussing different petrol tank and gas gauge designs, focusing on venting issues. | 19th May 1930 | Box 19 \ 3 Scan379 | |
| Issues and solutions for fuel gauges, balance lines, and tank units on various car models. | 19th May 1930 | Box 19 \ 3 Scan380 | |
| Technical discussion on the K.S. Sprengel pump, correction pumps, and issues with air and fuel vapor in pressure lines for gauges. | 19th May 1930 | Box 19 \ 3 Scan381 | |
| The issues and disadvantages found with Nivex and aneroid gauges. | 19th May 1930 | Box 19 \ 3 Scan382 | |
| List of required modifications for a Left-Hand Phantom II chassis ahead of a 10,000-mile test. | 20th May 1930 | Box 19 \ 3 Scan383 | |
| Performance issues of vacuum and electric windshield wipers and proposing improvements. | 20th May 1930 | Box 19 \ 3 Scan384 | |
| Fitting and connection of vacuum windscreen wipers on various models. | 20th May 1930 | Box 19 \ 3 Scan385 | |
| Requesting authorisation to test two American wheel and tire types on the 25 HP model for future orders. | 20th May 1930 | Box 19 \ 3 Scan386 | |
| Suggestions for improving the generator (dynamo), headlamp performance, and ignition switch operation. | 21th May 1930 | Box 19 \ 3 Scan387 | |
| Typed note on the reliability of a cut-out mechanism based on experience with a large number of cars. | 21th May 1930 | Box 19 \ 3 Scan388 | |
| Telegram received by telephone regarding the movement of experimental cars and personnel. | 21th Aug 1930 | Box 19 \ 3 Scan389 | |
| Secret internal memorandum discussing various layouts for the instrument board of the 25EX model. | 21th May 1930 | Box 19 \ 3 Scan390 | |
| Report from G.W.H. to Hs. concerning the movements of experimental cars 23-EX and 24-EX. | 22th May 1930 | Box 19 \ 3 Scan391 | |
| Issues with brakes, gearbox, and rear axle on a Phantom II Chassis (69-WJ). | 22th May 1930 | Box 19 \ 3 Scan392 | |
| Leakage and noise issues with the gears, rear axle, and propeller shaft. | 22th May 1930 | Box 19 \ 3 Scan393 | |
| Oil leakage from the rear gearbox bearing when the car is in reverse, referencing the S.Ghost model. | 22th May 1930 | Box 19 \ 3 Scan394 | |
| Modifications for the Left Hand Phantom II Chassis. | 22th May 1930 | Box 19 \ 3 Scan395 | |
| Note about an unlisted job concerning reversing the oil jet in the timing gears. | 22th May 1930 | Box 19 \ 3 Scan396 | |
| Responding to several numbered points regarding chassis and component modifications. | 24th May 1930 | Box 19 \ 3 Scan397 | |
| Placement of a Bosch dimming switch and a battery support. | 24th May 1930 | Box 19 \ 3 Scan398 | |
| Clearance issue with the crankcase breather pipe and extra oil cock control rod on the L.H. P.2. chassis. | 24th May 1930 | Box 19 \ 3 Scan399 | |
| Modifications to a double-acting thermostat for radiator shutters. | 24th May 1930 | Box 19 \ 3 Scan400 | |
| Modifications to the Auto-Klean strainer, including gland design and a new ratchet device. | 24th May 1930 | Box 19 \ 3 Scan401 | |
| Repositioning the petrol filter and concerns regarding potential air locks. | 24th May 1930 | Box 19 \ 3 Scan402 | |
| Query regarding the readiness of the car body for the second left-hand chassis 25-EX. | 26th May 1930 | Box 19 \ 3 Scan403 | |
| The original drawing for the Auto-Klean strainer and freewheel ratchet device details. | 26th May 1930 | Box 19 \ 3 Scan404 | |
| Alternative schemes and modifications for the instrument board of a Left Hand Phantom chassis. | 26th May 1930 | Box 19 \ 3 Scan405 | |
| Modifications and issues concerning the Phantom II L.H. Chassis. | 26th May 1930 | Box 19 \ 3 Scan406 | |
| The collection of the body for the second left-hand chassis 25-EX. | 27th May 1930 | Box 19 \ 3 Scan407 | |
| Maurice Olley forwarding a copy of a letter received from Mr. Cheney Wells. | 27th May 1930 | Box 19 \ 3 Scan408 | |
| Letter from the American Optical Company Limited expressing enthusiasm for the new 20-25 and Phantom II models. | 23th May 1930 | Box 19 \ 3 Scan409 | |
| Page two of a typed letter expressing thanks and looking forward to a future meeting in America. | 27th May 1930 | Box 19 \ 3 Scan410 | |
| Issues with 19' wheels and proposing solutions involving different tire types and sizes. | 28th May 1930 | Box 19 \ 3 Scan411 | |
| Decisions on wheel size, rim type, and tire section, with comparative data. | 28th May 1930 | Box 19 \ 3 Scan412 | |
| On proposed modifications to the L.H. P.2 gearbox central levers to increase load against sideways deflection. | 28th May 1930 | Box 19 \ 3 Scan413 | |
| Proposal for a scheme to cover the exposed lubricated surface of the change speed ball for the L.H. chassis change gear. | 29th May 1930 | Box 19 \ 3 Scan414 | |
| Communication about adding ignition type tungsten contacts to the L.H. Chassis backing light switch. | 29th May 1930 | Box 19 \ 3 Scan415 | |
| The cantilever battery support for the Phantom II model. | 29th May 1930 | Box 19 \ 3 Scan416 | |
| Two schemes for a centralized chassis lubrication dashboard pump to address difficulty on a left-hand drive chassis. | 30th May 1930 | Box 19 \ 3 Scan417 | |
| The nickel silver lagging slipping down on a chassis exhaust system. | 2nd Jun 1930 | Box 19 \ 4 Scan001 | |
| Design options for a battery support subframe, weighing a cantilever scheme against a tubular cross member. | 3rd Jun 1930 | Box 19 \ 4 Scan002 | |
| Modifications for the L.H. Phantom II - 24-EX, urging completion of schemes before the holidays. | 3rd Jun 1930 | Box 19 \ 4 Scan003 | |
| Status list of modifications and tasks for the L.H. Phantom II, 24-EX project. | 3rd Jun 1930 | Box 19 \ 4 Scan004 | |
| | | | |
