| Description | Date | Identifier | |
| List of alterations carried out on chassis 103-MC. | 19th Mar 1927 | Box 71 \ 3 scan0390 | |
| Covering memo regarding the 'GHJ-26. Park Ward Demonstration' requesting comments on attached correspondence. | 6th Apr 1927 | Box 71 \ 3 scan0391 | |
| Alterations to the steering system for car 117-MC in the experimental department. | 12th Apr 1927 | Box 71 \ 3 scan0392 | |
| Steering faults and a potential fix on Chassis No. 78-SC, H's Trials Car. | 22th Apr 1927 | Box 71 \ 3 scan0393 | |
| Car's steering performance following a series of tests after its return from 'W'. | 15th Jun 1927 | Box 71 \ 3 scan0394 | |
| Despatch and fitting of butterfly valves for the Phantom exhaust system. | 18th Jun 1927 | Box 71 \ 3 scan0395 | |
| Solutions for an axle hitting the buffers on car 103-MC. | 7th Jul 1927 | Box 71 \ 3 scan0396 | |
| Acknowledging a request for a special test on the springing of chassis No. 103-MC. | 13th Jul 1927 | Box 71 \ 3 scan0397 | |
| Customer complaint letter detailing performance issues with chassis 117-MC. | 27th Jul 1927 | Box 71 \ 3 scan0398 | |
| Customer feedback letter from Geoffrey Summers detailing car performance and an overheating issue in the Alps. | 8th Aug 1927 | Box 71 \ 3 scan0399 | |
| Alterations to standard front shock absorber loading and the despatch of a pair for testing on vehicle 103-MC. | 8th Aug 1927 | Box 71 \ 3 scan0400 | |
| Despatching missing pieces for car 78-SC and the function of a plate behind the pedals. | 10th Aug 1927 | Box 71 \ 3 scan0401 | |
| Requesting arrangements for vehicle tests at Brooklands track, including a Packard straight-8 and an experimental car. | 29th Aug 1927 | Box 71 \ 3 scan0402 | |
| Difficulties and recommendations for altering shock absorber loads. | 6th Dec 1927 | Box 71 \ 3 scan0403 | |
| Cover note regarding a letter from Lord Curzon about a loaned Phantom Open Touring Demonstration car. | 23th Jan 1928 | Box 71 \ 3 scan0404 | |
| Letter from the House of Commons providing detailed feedback on a test drive of a Phantom, comparing it to other marques. | 18th Jan 1928 | Box 71 \ 3 scan0405 | |
| Driver's road test report discussing vehicle handling, controls, and performance. | 18th Jan 1928 | Box 71 \ 3 scan0406 | |
| Driver's feedback report on a vehicle's performance, covering the fuel system, suspension, headlamps, and bodywork. | 18th Jan 1928 | Box 71 \ 3 scan0407 | |
| Report comparing the performance and comfort of the Phantom with competitor vehicles like Isotta, Mercedes and Bentley. | 18th Jan 1928 | Box 71 \ 3 scan0408 | |
| Letter from Curzon providing feedback on a car's performance and features, likely after a test drive. | 23th Jan 1928 | Box 71 \ 3 scan0409 | |
| Letter to Lord Curzon discussing the philosophy on high-speed performance versus comfort in their vehicles. | 23th Jan 1928 | Box 71 \ 3 scan0410 | |
| Letter addressing customer feedback on a Phantom and discussing the commercial importance of personal product use by a retailer. | 23th Jan 1928 | Box 71 \ 3 scan0411 | |
| The final page of a letter from the General London Manager. | 23th Jan 1928 | Box 71 \ 3 scan0412 | |
| Faulty nearside front hydraulic shock absorber on a Trials Phantom Saloon, car 65-EF. | 24th Jan 1928 | Box 71 \ 3 scan0413 | |
| With a suggested reply to Lord Curzon regarding the Phantom car's speed and performance. | 25th Jan 1928 | Box 71 \ 3 scan0414 | |
| Performance comparison of the 'Phantom' against Isotta, Bentley, Vauxhall, and Sunbeam models at Brooklands. | 25th Jan 1928 | Box 71 \ 3 scan0415 | |
| The feasibility of high speeds for touring cars compared to a Bugatti racing car. | 26th Jan 1928 | Box 71 \ 3 scan0416 | |
| Preparing a demonstration car for duty in Germany, focusing on improving the suspension and steering. | 26th Jan 1928 | Box 71 \ 3 scan0417 | |
| Engine performance issues, a slipper drive modification, and decarbonisation for car 81-EF. | 3rd Apr 1928 | Box 71 \ 3 scan0418 | |
| On the development of rubber engine mountings for the Phantom, detailing part shortages and the preparation of an experimental car. | 1st Apr 1928 | Box 71 \ 3 scan0419 | |
| Comparing the suspension and ride comfort of cars 81-RF and 87-RF, and requesting further tests. | 17th Apr 1928 | Box 71 \ 3 scan0420 | |
| Engine, suspension, axle, and bodywork issues for Chassis No. 81-RF. | 18th Apr 1928 | Box 71 \ 3 scan0421 | |
| Sequence of testing and inspecting springs and shock dampers for car 81-RF. | 26th Apr 1928 | Box 71 \ 3 scan0422 | |
| Comparing the suspension, ride quality, and user experience of chassis 61-RF and 87-RF. | 26th Apr 1928 | Box 71 \ 3 scan0423 | |
| Springing and shock damper specifications for a new special sales chassis, 29-CL. | 8th Jun 1928 | Box 71 \ 3 scan0424 | |
| Request to test various strength springs for the side steering tube to evaluate performance against road shock and sponginess. | 11th Jun 1928 | Box 71 \ 3 scan0425 | |
| Recommendations on road springs, shock absorbers, and steering tube springs for chassis 29-CL. | 11th Jun 1928 | Box 71 \ 3 scan0426 | |
| Fitment of continental type springs and Hartfords to car 29-CL. | 16th Jun 1928 | Box 71 \ 3 scan0427 | |
| Fitting of continental type springs and Hartfords to a car's suspension. | 16th Jun 1928 | Box 71 \ 3 scan0428 | |
| Internal order for two batches of coil springs with specific dimensions and material requirements. | 28th Jun 1928 | Box 71 \ 3 scan0429 | |
| Performance issues and requesting repairs for a 40/50 HP Trials Sedanca, chassis 81-RF. | 3rd Jul 1928 | Box 71 \ 3 scan0430 | |
| Instruction to arrange for the Works to cadmium plate the existing springs on a car. | 4th Jul 1928 | Box 71 \ 3 scan0431 | |
| Arrangements for work on the 40/50 HP Trials Sedanca, chassis 81-RF. | 4th Jul 1928 | Box 71 \ 3 scan0432 | |
| Strength of side steering tube springs and shock dampers for chassis 29-CL. | 7th Jul 1928 | Box 71 \ 3 scan0433 | |
| The difficulty of removing front dampers on vehicle 29-CL following the adoption of torque control. | 9th Jul 1928 | Box 71 \ 3 scan0434 | |
| Suspension modifications, including shock absorbers and springs, to improve ride quality. | 9th Jul 1928 | Box 71 \ 3 scan0435 | |
| Progress and standardisation of the central oiling scheme for the Phantom and 20 HP models. | 6th Jul 1928 | Box 71 \ 3 scan0436 | |
| The modification of front and rear dampers for chassis 29-CL. | 9th Jul 1928 | Box 71 \ 3 scan0437 | |
| Outstanding parts and delays for chassis 29-CL for the Prague Show. | 10th Jul 1928 | Box 71 \ 3 scan0438 | |
| Confirming the completion and delivery of hydraulic shock absorbers for chassis 29-CL. | 1st Jul 1928 | Box 71 \ 3 scan0439 | |
| Despatch of hydraulic dampers and experimental side steering tube springs for testing. | 16th Jul 1928 | Box 71 \ 3 scan0440 | |
| Multiple faults on Chassis No. 81-RF, including gearbox, engine, steering, and suspension issues. | 17th Jul 1928 | Box 71 \ 3 scan0441 | |
| The repair and testing of chassis No. 81-RF, covering engine, suspension, gearbox, and steering issues. | 18th Jul 1928 | Box 71 \ 3 scan0442 | |
| Authorising work on a car and arranging for cotton duck washers to be fitted to the slipper drive. | 8th Jul 1928 | Box 71 \ 3 scan0443 | |
| The specifications for front and rear damper springs to increase high-pressure loading. | 27th Jul 1928 | Box 71 \ 3 scan0444 | |
| Car weights, axle clearances, and the condition of the springs. | 4th Aug 1928 | Box 71 \ 3 scan0445 | |
| Weighbridge certificate and equipment list for chassis 29CL. | 13th Aug 1928 | Box 71 \ 3 scan0446 | |
| Confirming arrangements to re-fit original springs to car 29-CL for the Prague Show. | 13th Aug 1928 | Box 71 \ 3 scan0447 | |
| Incorrect buffer clearances on car 29-CL due to the wrong rear springs and buffer being fitted. | 4th Aug 1928 | Box 71 \ 3 scan0448 | |
| Issue with Continental type thick leaf springs for a 29-CL car, requesting their return for inspection. | 8th Aug 1928 | Box 71 \ 3 scan0449 | |
| Requesting a decision on whether 1 inch or 1 ½ inch buffers should be fitted to springs. | 15th Aug 1928 | Box 71 \ 3 scan0450 | |
| Confirming the fitting of original springs and detailing the resulting buffer to axle clearance. | 17th Aug 1923 | Box 71 \ 3 scan0451 | |
| Receipt of temporary rear springs from chassis 29-CL, a propaganda car, to be passed to the Experimental Department. | 23th Aug 1928 | Box 71 \ 3 scan0452 | |
| Query regarding the cadmium plating of rear springs fitted to the Trials Sedanca car 81-RF. | 24th Aug 1928 | Box 71 \ 3 scan0453 | |
| Fault report for car 29-OL detailing nine issues after a 7,250 km European tour. | 24th Sep 1928 | Box 71 \ 3 scan0454 | |
| Vehicle test report detailing issues with suspension, braking, and cooling systems on a New Phantom. | 24th Sep 1928 | Box 71 \ 3 scan0455 | |
| Test report page detailing vehicle performance data, identified faults, and arrangements for repair. | 21th Nov 1928 | Box 71 \ 3 scan0456 | |
| Numerous faults and impracticality of the Barker dipping headlamps on a trials car. | 21th Nov 1928 | Box 71 \ 3 scan0457 | |
| Experimental engine with opposed sparking plugs and an induction pipe in the head for the EAC.2 chassis. | 30th May 1924 | Box 71 \ 3 scan0458 | |
| Internal order for 100 sets of Lodge C.65 ignition plugs for the 'V' Series. | 13th Mar 1925 | Box 71 \ 3 scan0459 | |
| Recommendation to purchase 500 Lodge C.200 type detachable porcelain sparking plugs for use on Phantom cars. | 1st Aug 1925 | Box 71 \ 3 scan0460 | |
| Request for the latest porcelain cleanable plugs for the New Phantom and Goshawk engines. | 26th Jun 1925 | Box 71 \ 3 scan0461 | |
| Confirming no objection to making the .025' spark plug gap setting a standard practice. | 30th Sep 1927 | Box 71 \ 3 scan0462 | |
| Recommended blade sizes for feeler gauges and their specific uses. | 8th Dec 1928 | Box 71 \ 3 scan0463 | |
| Proposed alterations to the Phantom's lubrication instructions to reduce oiling frequency. | 26th Jun 1928 | Box 71 \ 3 scan0464 | |
| Secret memo arranging a meeting to discuss tests of the EAC.11 and a programme to make a car externally identical to the 40/50 HP. | 18th Oct 1924 | Box 71 \ 4 scan0001 | |
| Secret memo regarding the assembly of a 'V' series chassis and the plan to send the completed car to France for approval. | 11th Dec 1924 | Box 71 \ 4 scan0002 | |
| Confidential letter about sending a gift to French officials and discussing methods for privately importing a car into France. | 15th Dec 1924 | Box 71 \ 4 scan0003 | |
| Letter discussing the logistics and taxation for getting a car into France for testing without divulging its particulars. | 16th Jan 1925 | Box 71 \ 4 scan0004 | |
| Short typed memo regarding arrangements for road tests with E.A.O. cars in France. | 16th Jan 1925 | Box 71 \ 4 scan0005 | |
| The preparation of a First 'V' Series Chassis for testing in France. | 27th Jan 1925 | Box 71 \ 4 scan0006 | |
| Secret memo regarding the ownership of cars for tests in France to avoid legal issues with the French government. | 28th Jan 1925 | Box 71 \ 4 scan0007 | |
| Secret memo regarding arrangements for testing cars with 4-wheel brakes in France. | 28th Jan 1925 | Box 71 \ 4 scan0008 | |
| Secret memo arranging the temporary import of a 40/50 HP car into France. | 28th Jan 1925 | Box 71 \ 4 scan0009 | |
| Request for assistance in obtaining French Carte d'Identité for touring in France. | 31th Jan 1925 | Box 71 \ 4 scan0010 | |
| Secret memo arranging for Mr. Claude Johnson to take the first EAC car to France for tests. | 31th Jan 1925 | Box 71 \ 4 scan0011 | |
| Secret memo regarding the registered owner of a car for tests in France. | 31th Jan 1925 | Box 71 \ 4 scan0012 | |
| Telegram received by telephone regarding the impossibility of a name change for an application already submitted. | 2nd Feb 1925 | Box 71 \ 4 scan0013 | |
| Secret memorandum discussing the transfer of ownership for car 98-NK and the legal logistics of legalizing a signature. | 2nd Feb 1925 | Box 71 \ 4 scan0014 | |
| Post Office telegram confirming an application change is impossible. | 25th Feb 1940 | Box 71 \ 4 scan0015 | |
| Letter from Paris to Derby explaining why a car registration name change is no longer possible for a touring vehicle. | 2nd Feb 1925 | Box 71 \ 4 scan0016 | |
| Letter from Paris to Derby concerning the impossibility of changing the registered owner for a car import (98-NK Car) due to customs regulations. | 2nd Feb 1925 | Box 71 \ 4 scan0017 | |
| Secret memo from 'Wor.' to 'C.J.' discussing the assembly of 20 'V' series chassis, experimental trials, and production progress. | 5th Feb 1925 | Box 71 \ 4 scan0018 | |
| Telegram received by telephone from Paris regarding impossible alterations to arrangements. | 4th Feb 1925 | Box 71 \ 4 scan0019 | |
| Secret memo discussing the completion status and delivery of 'V' series cars for testing and demonstration. | 10th Feb 1925 | Box 71 \ 4 scan0020 | |
| Secret memo discussing the logistics and legal requirements for changing a car's ownership for tests in France. | 2nd Feb 1925 | Box 71 \ 4 scan0021 | |
| Secret memo regarding the inability to change a car's registered name for a customs application for a trip to Paris. | 2nd Feb 1925 | Box 71 \ 4 scan0022 | |
| Secret letter regarding the legal difficulties of changing ownership for car 98-NK for a Mr. Claude Johnson. | 1st Feb 1925 | Box 71 \ 4 scan0023 | |
| Secret memo agreeing to proceed with a 10,000 miles trial at the earliest possible moment. | 2nd Feb 1925 | Box 71 \ 4 scan0024 | |
| Correspondence concerning an indemnity for chassis 98-NK and travel arrangements for Mr. Lidsey. | 7th Feb 1925 | Box 71 \ 4 scan0025 | |
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