| Description | Date | Identifier | |
| Brake test report for vehicle 194-GN detailing brake setup and performance results. | 27th Apr 1931 | Box 47 \ 3 Scan053 | |
| Explaining the delay of car 119.GN due to the production and reallocation of a special steering column bracket. | 27th Apr 1931 | Box 47 \ 3 Scan054 | |
| Customer complaint regarding a car delivery delay and revised arrangements. | 28th Apr 1931 | Box 47 \ 3 Scan055 | |
| Confirming modifications to vehicle 119-GY following a telephone conversation, including disconnecting the rear engine feet and fitting a special column bracket. | 29th Apr 1931 | Box 47 \ 3 Scan056 | |
| Piston knock issues in Phantom II chassis and potential solutions. | 29th Apr 1931 | Box 47 \ 3 Scan057 | |
| Customer complaints and recommendations for modifications on various vehicle components. | 29th Apr 1931 | Box 47 \ 3 Scan058 | |
| Report from the Repair Department in Berlin concerning the draining and refilling of rear axle oil for chassis 114-XJ. | 29th Apr 1930 | Box 47 \ 3 Scan059 | |
| Quarterly report on complaints and repairs for Phantom I, Phantom II, 20 HP, and 25 HP chassis. | 2nd May 1931 | Box 47 \ 3 Scan060 | |
| Quarterly complaints report from March 1931 detailing brake issues across different car models. | 31th Mar 1931 | Box 47 \ 3 Scan061 | |
| Statistical report on vehicle faults and their remedies for the March quarter. | 31th Mar 1931 | Box 47 \ 3 Scan062 | |
| Statistical breakdown of customer complaints and remedies for various vehicle models. | 31th Mar 1931 | Box 47 \ 3 Scan063 | |
| Quarterly report summarizing vehicle faults and remedies across different models. | 31th Mar 1931 | Box 47 \ 3 Scan064 | |
| Summary report of customer complaints regarding clutch and carburettor issues for various car models. | 31th Mar 1931 | Box 47 \ 3 Scan065 | |
| Quarterly statistical report on Central Lubrication and Dynamo failures and complaints. | 31th Mar 1931 | Box 47 \ 3 Scan066 | |
| Vehicle complaints and remedies for dynamo, butterfly valve, and exhaust system issues. | 31th Mar 1931 | Box 47 \ 3 Scan067 | |
| Periodic fault report detailing issues, frequency, and solutions for various car models. | 31th Mar 1931 | Box 47 \ 3 Scan068 | |
| Engine faults, including piston knocks, seized pistons, and drive rattles, across various car models with remarks on cures. | 31th Mar 1931 | Box 47 \ 3 Scan069 | |
| Engine component failures and their remedies for 20 HP and 25 HP models. | 31th Mar 1931 | Box 47 \ 3 Scan070 | |
| Statistical report on vehicle faults and complaints for different models over quarterly periods. | 31th Mar 1931 | Box 47 \ 3 Scan071 | |
| Quarterly fault report on various car components with counts and remarks. | 31th Mar 1931 | Box 47 \ 3 Scan072 | |
| Summary report of vehicle faults and complaints by model for the March quarter. | 31th Mar 1931 | Box 47 \ 3 Scan073 | |
| Tabular report summarizing spring failures by model over a six-month period, with remarks on remedies. | 31th Mar 1931 | Box 47 \ 3 Scan074 | |
| Statistical report on steering system complaints across various models, with proposed remedies. | 31th Mar 1931 | Box 47 \ 3 Scan075 | |
| Quarterly statistical report on vehicle faults, detailing issues, affected models, and complaint totals. | 31th Mar 1931 | Box 47 \ 3 Scan076 | |
| Statistical report on vehicle faults and their remedies for various models. | 31th Mar 1931 | Box 47 \ 3 Scan077 | |
| Vehicle faults such as oil leaks, seized shafts, and telegauge failures over a six-month period. | 31th Mar 1931 | Box 47 \ 3 Scan078 | |
| Statistical report on magneto failures for various engine models over a six-month period. | 5th May 1931 | Box 47 \ 3 Scan079 | |
| Brake inefficiency tests on Phantom cars, comparing different brake drum and shoe configurations. | 5th May 1931 | Box 47 \ 3 Scan080 | |
| Tests on brake shoes and drums to address squeaks and efficiency, referencing a specific customer's car. | 5th May 1931 | Box 47 \ 3 Scan081 | |
| Replacement brake parts for Mr. Fairey's Phantom and listing the required components. | 4th May 1931 | Box 47 \ 3 Scan082 | |
| With handwritten notes about a meeting and vehicle components. | 18th Aug 1945 | Box 47 \ 3 Scan083 | |
| Arranging for a car collection in Derby and the handover of another car to Capt. Thistlethwaite. | 5th May 1931 | Box 47 \ 3 Scan084 | |
| Fitting a high compression head to chassis No.54-GX for Colonel J.N. Horlick. | 8th May 1931 | Box 47 \ 3 Scan085 | |
| Arranging modifications, a high compression head and improved brakes, for Mr. Fairey's car. | 8th May 1931 | Box 47 \ 3 Scan086 | |
| The failure of a D.71505 Condenser on chassis GLR-8 belonging to Miss Yule. | 12th May 1931 | Box 47 \ 3 Scan087 | |
| List of required modifications and repairs for Mr. Fairey's car, reference 34-GN. | 4th May 1931 | Box 47 \ 3 Scan088 | |
| Parts and service arrangements for Mr. Fairey's car. | 14th May 1931 | Box 47 \ 3 Scan089 | |
| The arrival and required repairs for Mr. Fairey's car, chassis 34-GN. | 14th May 1931 | Box 47 \ 3 Scan090 | |
| Modifications for Chassis No.34-GN, including a High Compression Head, wider brakes, and Hartford Shock Absorbers. | 14th May 1931 | Box 47 \ 3 Scan091 | |
| Fitting Hartford Shock Absorbers and Continental front springs to chassis No. 34-GN for Mr Fairey. | 16th May 1931 | Box 47 \ 3 Scan092 | |
| Mr. West's visit to Cricklewood to discuss complaints about electrical equipment. | 18th May 1931 | Box 47 \ 3 Scan093 | |
| Noisy rear damper on chassis GYL.51, identifying a faulty connecting link with a missing collar as the likely cause. | 19th May 1931 | Box 47 \ 3 Scan094 | |
| Query regarding the identity of a second car fitted with a higher compression ratio for the Phantom II model. | 21th May 1931 | Box 47 \ 3 Scan095 | |
| The fitting of higher compression ratio heads to the cars of Mr. Fairey and Mr. Horlick. | 22th May 1931 | Box 47 \ 3 Scan096 | |
| Internal correspondence clarifying that the owner is chargeable for a starter motor repair on Chassis 331 MS. | 22th May 1931 | Box 47 \ 3 Scan097 | |
| Customer feedback from Mr. C. R. Fairey regarding improvements to his car's performance. | 1st Jun 1931 | Box 47 \ 3 Scan098 | |
| High compression cylinder head for Chassis 54-GX being handed to the Experimental Department. | 6th Jun 1931 | Box 47 \ 3 Scan099 | |
| Customer's complaint about a 20 HP car overheating and a request for remarks. | 8th Jun 1931 | Box 47 \ 3 Scan100 | |
| Car overheating problems and potential solutions like bonnet ventilation for continental touring. | 9th Jun 1931 | Box 47 \ 3 Scan101 | |
| Complaint of 'booming' on Chassis No.123-GY and arranging for its repair. | 12th Jun 1931 | Box 47 \ 3 Scan102 | |
| Customer's dissatisfaction with the speed of chassis 43-GX, owned by Baron Empain. | 23th Jun 1931 | Box 47 \ 3 Scan103 | |
| Customer's 25 HP car which was hopelessly unstable due to special low-rating springs and standard shock-absorbers. | 24th Jun 1931 | Box 47 \ 3 Scan104 | |
| Query regarding the difference between car springs and low-rated trial springs, signed off by 'PN'. | 26th Jun 1931 | Box 47 \ 3 Scan105 | |
| Likely cause of a dynamo field fuse blowing due to battery overcharging on chassis GXO-46. | 26th Jun 1931 | Box 47 \ 3 Scan106 | |
| Clarifying a misunderstanding about the springs and shock absorbers fitted to a customer's car. | 25th Jun 1931 | Box 47 \ 3 Scan107 | |
| The difference in springs fitted to models GLR-59 and GOS-59 with the Experimental Department. | 25th Jun 1931 | Box 47 \ 3 Scan108 | |
| Misunderstanding over spring ratings and the resulting poor stability and road control on car GOS-39. | 26th Jun 1931 | Box 47 \ 3 Scan109 | |
| Higher compression modification for certain customers to improve performance. | 26th Jun 1931 | Box 47 \ 3 Scan110 | |
| Dynamo fuse blowing intermittently on a Grylls, GXO-46 model, potentially due to overcharging. | 29th Jun 1931 | Box 47 \ 3 Scan111 | |
| Comparison of springing and ride quality between two 25 HP cars. | 29th Jun 1931 | Box 47 \ 3 Scan112 | |
| Customer complaint regarding noisy hydraulic shock dampers and excessive roll on chassis 52-WJ. | 2nd Jul 1931 | Box 47 \ 3 Scan113 | |
| Customer's Phantom II performance issue and potential solutions. | 2nd Jul 1931 | Box 47 \ 3 Scan114 | |
| Response to a customer complaint regarding a repeatedly blowing field fuse on vehicle GXO-46, with diagnostic advice. | 3rd Jul 1931 | Box 47 \ 3 Scan115 | |
| Dynamo charging systems, battery overcharging, and advocating for a three-rate charge scheme. | 7th Mar 1931 | Box 47 \ 3 Scan116 | |
| Performance of a Continental model for Baron Empain and a suggestion to fit a high compression head. | 3rd Jul 1931 | Box 47 \ 3 Scan117 | |
| Potential solutions for a customer's car overheating during a mountain tour. | 3rd Jul 1931 | Box 47 \ 3 Scan118 | |
| List of parts being sent to Despatch Stores for a 5-1 compression ratio Cylinder Head assembly for car 43-GX Baron Empain. | 4th Jul 1931 | Box 47 \ 3 Scan119 | |
| Instruction to despatch a cylinder head to the Paris Depot and credit the relevant order number. | 4th Jul 1931 | Box 47 \ 3 Scan120 | |
| Modifications to prevent overheating on Mr. Geoffrey Smith's car, GDP-63. | 4th Jul 1931 | Box 47 \ 3 Scan121 | |
| Follow-up memo investigating the cause of a recurring dynamo-fuse blowing complaint. | 6th Jul 1931 | Box 47 \ 3 Scan122 | |
| Intermittent electrical and suspension faults on a car, and a suggested modification for lubrication. | 6th Jul 1931 | Box 47 \ 3 Scan123 | |
| The unsuccessful attempts to fix explosions in the rear silencer of a Phantom II, chassis 91-GN. | 6th Jul 1931 | Box 47 \ 3 Scan124 | |
| Request to order six special side steering tube springs for chassis GOS.4 to resolve a customer complaint. | 6th Jul 1931 | Box 47 \ 3 Scan125 | |
| Correcting two typographical errors in a previous document. | 7th Jul 1931 | Box 47 \ 3 Scan126 | |
| Short memo confirming that a car has been sold by Mr. Geoffrey Smith. | 8th Jul 1931 | Box 47 \ 3 Scan127 | |
| Suggesting strengthening the carburetter to fix explosions in a Phantom II rear silencer. | 9th Jul 1931 | Box 47 \ 3 Scan128 | |
| Letter regarding Baron Empain's complaint about his Continental model's speed and arranging to send a new cylinder head. | 9th Jul 1931 | Box 47 \ 3 Scan129 | |
| Recommendations to improve a vehicle's directional stability for a Dr. A.E. Fison without altering the slow speed riding. | 11th Jul 1931 | Box 47 \ 3 Scan130 | |
| Confirming arrangements for a customer's car (GXO-46) to be brought in to diagnose a recurring fuse-blowing problem. | 14th Jul 1931 | Box 47 \ 3 Scan131 | |
| Repair schedule and identified faults for Chassis GXO/46. | 15th Jul 1931 | Box 47 \ 3 Scan132 | |
| Comparison of springing and shock absorbers between chassis GOS 59 and trials car GLR 59. | 15th Jul 1931 | Box 47 \ 3 Scan133 | |
| Note regarding a customer's noise complaint and follow-up actions with the coachbuilder. | 22th Jul 1931 | Box 47 \ 3 Scan134 | |
| Repeated exhaust system failures on a GXO-69 vehicle and proposed solutions. | 22th Jul 1931 | Box 47 \ 3 Scan135 | |
| Correspondence regarding speed tests and speedometer accuracy for chassis 43-GX belonging to Baron Empain. | 24th Jul 1931 | Box 47 \ 3 Scan136 | |
| Potential boiling issue on chassis 65-GX and the consideration of fitting an experimental radiator. | 29th Jul 1931 | Box 47 \ 3 Scan137 | |
| Modified radiator for chassis No. 65-GX to prevent overheating for customer Mr. C. Cochrane. | 28th Jul 1931 | Box 47 \ 3 Scan138 | |
| Application of a new exhaust design to Chassis No. GXO-69 for Mr. Hutton. | 29th Jul 1931 | Box 47 \ 3 Scan139 | |
| Correspondence regarding the fitting of a new exhaust system to chassis GXO-69. | 28th Jul 1931 | Box 47 \ 3 Scan140 | |
| Quarterly complaints regarding various brake issues and the ongoing tests for solutions. | 29th Jul 1931 | Box 47 \ 3 Scan141 | |
| Ongoing issues and solutions for shock absorbers, springing, couplings, steering, and exhausts. | 29th Jul 1931 | Box 47 \ 3 Scan142 | |
| Various vehicle complaints and the modifications implemented to rectify them. | 29th Jul 1931 | Box 47 \ 3 Scan143 | |
| Progress report on rectifying issues with various vehicle components including axles, gauges, and leaks. | 29th Jul 1931 | Box 47 \ 3 Scan144 | |
| List of reported vehicle complaints and their respective solutions or ongoing modifications. | 29th Jul 1931 | Box 47 \ 3 Scan145 | |
| Status report on various vehicle component issues and their proposed solutions. | 29th Jul 1931 | Box 47 \ 3 Scan146 | |
| Solutions for a water pump fabric drive and engine water leaks from cylinders. | 30th Jul 1931 | Box 47 \ 3 Scan147 | |
| Radiator tube options and test results for chassis 65-GX. | 30th Jul 1931 | Box 47 \ 3 Scan148 | |
| Conditional order for a special 20 HP Saloon based on achieving a maximum speed of 70 m.p.h. | 31th Jul 1931 | Box 47 \ 3 Scan149 | |
| Outlining arrangements for coachbuilders to inspect Lord C's Bugatti for a new body and a request to lower the radiator. | 31th Jul 1931 | Box 47 \ 3 Scan150 | |
| Persistent slipper drive fault on customer F.C. Heffer's 20 HP car, chassis No. GBJ-2. | 31th Jul 1931 | Box 47 \ 3 Scan151 | |
| Customer complaint letter regarding a persistent slipper drive fault on a 20 HP Coupe. | 30th Jul 1931 | Box 47 \ 3 Scan152 | |
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