| Description | Date | Identifier | |
| Cures for inefficient brakes caused by oil on the servo. | 12th Oct 1933 | Box 130 \ 1 scan0073 | |
| Testing procedure to diagnose inefficient brakes and determine if the servo is at fault. | 12th Oct 1933 | Box 130 \ 1 scan0074 | |
| Table of input and output specifications for efficient servos on various chassis models. | 12th Oct 1933 | Box 130 \ 1 scan0075 | |
| Arrangement drawing of a spring balance for servo tests. | 13th Oct 1933 | Box 130 \ 1 scan0076 | |
| Complaints of poor high-speed performance and engine over-run for cars GYZ-40 and GYZ-31, arranging for tests. | 24th Oct 1933 | Box 130 \ 1 scan0077 | |
| Car's press-run and a contingency plan to cancel it by claiming an accident if any undesirable features are found. | 25th Oct 1933 | Box 130 \ 1 scan0078 | |
| Complaints of poor high-speed performance and over-run issues with cars GYZ-31 and GYZ-40. | 26th Oct 1933 | Box 130 \ 1 scan0079 | |
| Summary of quarterly complaints and repair work for Phantom I, Phantom II, 20 HP, and 25 HP chassis for the quarter ending September 1933. | 26th Oct 1933 | Box 130 \ 1 scan0080 | |
| Quarterly complaint report for September 1933, detailing various brake issues. | 30th Sep 1933 | Box 130 \ 1 scan0081 | |
| Summary report on brake issues including seizure, thumping, and inefficiency across various car models. | 30th Sep 1933 | Box 130 \ 1 scan0082 | |
| Report summarizing vehicle complaints for boiling, radiator, and coupling failures over six months. | 30th Sep 1933 | Box 130 \ 1 scan0083 | |
| Summary report on dynamo complaints, failures, noise, and low output for various car models over a six-month period. | 30th Sep 1933 | Box 130 \ 1 scan0084 | |
| Statistical report on customer complaints regarding clutches and lubrication systems, broken down by model type and time period. | 30th Sep 1933 | Box 130 \ 1 scan0085 | |
| Statistical report on exhaust complaints broken down by vehicle model over two quarters. | 30th Sep 1933 | Box 130 \ 1 scan0086 | |
| Quarterly report on engine faults and their remedies for various car models. | 30th Sep 1933 | Box 130 \ 1 scan0087 | |
| Quarterly report detailing hydraulic complaints and their remedies for various car models. | 30th Sep 1933 | Box 130 \ 1 scan0088 | |
| Summary table of customer complaints regarding radiator leaks and springing issues, with proposed remedies. | 30th Sep 1933 | Box 130 \ 1 scan0089 | |
| Summary of vehicle faults and complaints, broken down by model and quarterly periods. | 30th Sep 1933 | Box 130 \ 1 scan0090 | |
| Summary report of vehicle failures over a six-month period, categorised by model and issue. | 30th Sep 1933 | Box 130 \ 1 scan0091 | |
| Engine faults such as irregular running and popping in the silencer across various models. | 1st Nov 1933 | Box 130 \ 1 scan0092 | |
| Requesting more information on quarterly complaints regarding inefficient brakes. | 1st Nov 1933 | Box 130 \ 1 scan0093 | |
| Quarterly complaints regarding inefficient brakes and the servo system. | 2nd Nov 1933 | Box 130 \ 1 scan0094 | |
| Customer complaint about a noisy valve gear and the subsequent repair and delivery arrangements. | 24th Nov 1933 | Box 130 \ 1 scan0095 | |
| From RHC to Rm detailing rectifications made to exhaust valve guides and bonnet fittings on chassis 16-MY. | 24th Nov 1933 | Box 130 \ 1 scan0096 | |
| Request to fit a new light float to a carburetter and reset the level. | 27th Nov 1933 | Box 130 \ 1 scan0097 | |
| Recurring engine noise complaints for several customers' cars. | 27th Nov 1933 | Box 130 \ 1 scan0098 | |
| The investigation and resolution of a persistent valve gear and tappet noise on a customer's car. | 30th Nov 1933 | Box 130 \ 1 scan0099 | |
| Report page detailing an investigation into valve gear and carburetter trouble on a vehicle. | 1st Dec 1933 | Box 130 \ 1 scan0100 | |
| Recurring issue of noisy valve gear and intermittent valve sticking on car 16-MY. | 1st Dec 1933 | Box 130 \ 1 scan0101 | |
| Investigation report into a persistent valve gear noise complaint on a customer's car. | 1st Dec 1933 | Box 130 \ 1 scan0102 | |
| Resolving tappet and carburetter issues on a vehicle, including details of parts fitted and further modifications required. | 1st Dec 1932 | Box 130 \ 1 scan0103 | |
| Internal memorandum discussing the investigation of recurring engine trouble in customer cars. | 4th Dec 1933 | Box 130 \ 1 scan0104 | |
| Letter regarding a customer's complaint about a cracked headlamp on chassis 16-MY. | 5th Dec 1933 | Box 130 \ 1 scan0105 | |
| Admitting responsibility and replacing a cracked headlamp glass on Mr. Joll's car. | 8th Dec 1933 | Box 130 \ 1 scan0106 | |
| Covering letter for a quarterly report on customer complaints for various chassis models for the quarter ending December 1933. | 31th Jan 1934 | Box 130 \ 1 scan0107 | |
| Quarterly report from December 1933 detailing customer complaints about vehicle brakes. | 31th Dec 1933 | Box 130 \ 1 scan0108 | |
| Summary report on brake system faults and modifications for various car models over a six-month period. | 31th Dec 1933 | Box 130 \ 1 scan0109 | |
| Statistical report detailing vehicle complaints and failures over a six-month period, with remarks on cures. | 31th Dec 1933 | Box 130 \ 1 scan0110 | |
| Quarterly report detailing complaints for clutch and central lubrication systems across various models. | 31th Dec 1933 | Box 130 \ 1 scan0111 | |
| Statistical report on dynamo complaints, categorised by type (total, noisy, low output) and car model, over a six-month period. | 31th Dec 1933 | Box 130 \ 1 scan0112 | |
| Summary report of exhaust system complaints over a six-month period, categorized by issue and vehicle model. | 31th Dec 1933 | Box 130 \ 1 scan0113 | |
| Quarterly report detailing engine faults and remedies for various models, including spring drives, timing gear rattles, and valve springs. | 31th Dec 1933 | Box 130 \ 1 scan0114 | |
| Quarterly report summarizing hydraulic and radiator complaints across different car models. | 31th Dec 1933 | Box 130 \ 1 scan0115 | |
| Quarterly summary report of customer complaints regarding springing, steering, and starter motors across various car models. | 31th Dec 1933 | Box 130 \ 1 scan0116 | |
| Vehicle failures over six months, including rattle, gauge failure, irregular engine running, and popping in the silencer. | 26th Jan 1934 | Box 130 \ 1 scan0117 | |
| Typed memo regarding the investigation of a job for Mr. Potter's car, chassis GWX-34. | 26th Jan 1934 | Box 130 \ 1 scan0118 | |
| Customer complaints and technical issues for various vehicle models. | 21th Feb 1934 | Box 130 \ 1 scan0119 | |
| Faults and remedies for hydraulic dampers, front brake tramping, and bonnet fasteners. | 7th May 1934 | Box 130 \ 1 scan0120 | |
| Quarterly report on customer complaints and F.O.C. repair work for Phantom I, Phantom II, 20 HP, and 25 HP chassis for the quarter ending March 1934. | 7th May 1934 | Box 130 \ 1 scan0121 | |
| Quarterly report from March 1934 detailing customer complaints about vehicle brakes. | 31th Mar 1934 | Box 130 \ 1 scan0122 | |
| Statistical report on various vehicle brake faults, quantities by model, and remarks on modifications. | 31th Mar 1934 | Box 130 \ 1 scan0123 | |
| Summary report of vehicle complaints and their resolutions for various models over a six-month period. | 31th Mar 1934 | Box 130 \ 1 scan0124 | |
| Statistical report on clutch and central lubrication complaints for various car models over a six-month period. | 31th Mar 1934 | Box 130 \ 1 scan0125 | |
| Summary table of dynamo complaints categorized by issue type, car model, and time period, with remarks on solutions. | 31th Mar 1934 | Box 130 \ 1 scan0126 | |
| Statistical report on exhaust system complaints, broken down by model, issue, and time period, with remarks on fixes. | 31th Mar 1934 | Box 130 \ 1 scan0127 | |
| Statistical report on various engine and exhaust faults across different models with remarks on solutions. | 31th Mar 1934 | Box 130 \ 1 scan0128 | |
| Summary report on hydraulic and radiator complaints for various vehicle models over six months. | 31th Mar 1934 | Box 130 \ 1 scan0129 | |
| Summary of customer complaints for various models, detailing issues with springing, steering, and starter motors, along with proposed remedies. | 31th Mar 1934 | Box 130 \ 1 scan0130 | |
| Quarterly report detailing vehicle complaints and statistics for different models. | 31th Mar 1934 | Box 130 \ 1 scan0131 | |
| Report tabulating various vehicle failures by model for the March quarter, with remarks on potential causes. | 27th Jul 1934 | Box 130 \ 1 scan0132 | |
| Cover letter for the quarterly complaints list regarding the 20/25 HP and Phantom II chassis for the quarter ending June 1934. | 27th Jul 1934 | Box 130 \ 1 scan0133 | |
| Quarterly complaints report from June 1934 detailing statistics on various brake issues. | 1st Jun 1934 | Box 130 \ 1 scan0134 | |
| Statistical summary of brake-related issues, including seizing, thumping, and oil leaks, with accompanying technical remarks and proposed modifications. | 1st Jun 1934 | Box 130 \ 1 scan0135 | |
| Statistical summary of complaints for brakes, servos, and clutches across 25 HP and PH.II models. | 1st Jun 1934 | Box 130 \ 1 scan0136 | |
| Quarterly report summarizing vehicle complaints for issues like clutch slips, dynamo problems, and exhaust faults. | 1st Jun 1934 | Box 130 \ 1 scan0137 | |
| Faults with exhaust silencers, including corrosion, blows, and cracks. | 1st Jun 1934 | Box 130 \ 1 scan0138 | |
| Quarterly report summarizing engine issues for 25 HP and PH.II models, including spring drive, timing gear rattle, and valve spring failures. | 1st Jun 1934 | Box 130 \ 1 scan0139 | |
| Summary report detailing hydraulic and radiator complaints for the June quarter. | 1st Jun 1934 | Box 130 \ 1 scan0140 | |
| Vehicle model complaints and remedies over quarterly and semi-annual periods. | 1st Jun 1934 | Box 130 \ 1 scan0141 | |
| Summary report of vehicle faults and complaints for different models over a six-month period. | 1st Jun 1934 | Box 130 \ 1 scan0142 | |
| Summary table of vehicle failures categorized by type, model and time period. | 1st Jun 1934 | Box 130 \ 1 scan0143 | |
| Fault analysis report for gearbox issues, broken down by car model and time period. | 27th Jul 1934 | Box 130 \ 1 scan0144 | |
| Quarterly complaints report for the 3½ Litre Bentley Chassis for the quarter ending June 1934. | 27th Jul 1934 | Box 130 \ 1 scan0145 | |
| Quarterly summary of customer complaints and the corresponding remarks. | 27th Jul 1934 | Box 130 \ 1 scan0146 | |
| Summary report on engine faults, their frequency, and remarks on their causes or solutions. | 27th Jul 1934 | Box 130 \ 1 scan0147 | |
| Report listing vehicle defects, their frequency over a quarterly and three-month period, and associated remedial actions. | 27th Jul 1934 | Box 130 \ 1 scan0148 | |
| Summary report of vehicle faults and issues over quarterly and three-month periods. | 27th Jul 1934 | Box 130 \ 1 scan0149 | |
| Summary of vehicle faults listing counts for quarterly and three-month periods. | 27th Jul 1934 | Box 130 \ 1 scan0150 | |
| Summary report of vehicle faults and failures over a three-month period. | 27th Jul 1934 | Box 130 \ 1 scan0151 | |
| Fault analysis report listing various vehicle issues over quarterly and three-month periods. | 27th Jul 1934 | Box 130 \ 1 scan0152 | |
| Summary report on vehicle faults, specifically uncomfortable springing and unstable steering. | 2nd Nov 1934 | Box 130 \ 1 scan0153 | |
| Quarterly report on customer complaints and rectifications for the 20/25 HP and Phantom II chassis. | 2nd Nov 1934 | Box 130 \ 1 scan0154 | |
| Quarterly report from September 1934 detailing customer complaints about vehicle brake systems. | 1st Sep 1934 | Box 130 \ 1 scan0155 | |
| Brake faults, complaint numbers, and remedial actions for various models over a six-month period. | 1st Sep 1934 | Box 130 \ 1 scan0156 | |
| Statistical report on vehicle complaints regarding brakes, servos, and clutches over a six-month period. | 1st Sep 1934 | Box 130 \ 1 scan0157 | |
| Quarterly report summarizing vehicle complaints regarding clutch, dynamo, and exhaust systems. | 1st Sep 1934 | Box 130 \ 1 scan0158 | |
| Faults with exhaust silencers, including corrosion, blows, and cracks, over a six-month period. | 1st Sep 1934 | Box 130 \ 1 scan0159 | |
| Statistical report on customer complaints regarding engine and hydraulic systems over a six-month period. | 1st Sep 1934 | Box 130 \ 1 scan0160 | |
| Quarterly report detailing vehicle faults, their frequency by model, and corresponding remedies. | 1st Sep 1934 | Box 130 \ 1 scan0161 | |
| Report page tabulating customer complaints for various vehicle faults over two quarters, with totals and remarks. | 1st Sep 1934 | Box 130 \ 1 scan0162 | |
| Statistical report on vehicle faults over a six-month period, categorized by model. | 6th Nov 1934 | Box 130 \ 1 scan0163 | |
| Listing seven known issues with Bentley cars for consideration in the quarterly complaints report. | 6th Nov 1934 | Box 130 \ 1 scan0164 | |
| Internal memorandum addressing several customer complaints regarding Bentley vehicles, including issues with gear levers, brakes, and bodywork. | 8th Nov 1934 | Box 130 \ 1 scan0165 | |
| Quarterly complaints list, Bentley performance, and an issue with returned sparking plugs. | 8th Nov 1934 | Box 130 \ 1 scan0166 | |
| Outlining the classification of quarterly complaints for the 3.5 litre Bentley chassis for the quarter ending September 1934. | 2nd Nov 1934 | Box 130 \ 1 scan0167 | |
| Quarterly summary of customer complaints and company policy issues for September 1934. | 30th Sep 1934 | Box 130 \ 1 scan0168 | |
| Summary report detailing various vehicle faults, their occurrence counts over time, and remarks on corrective actions. | 30th Sep 1934 | Box 130 \ 1 scan0169 | |
| Quarterly report listing vehicle faults, their frequencies, and remedial actions taken. | 30th Sep 1934 | Box 130 \ 1 scan0170 | |
| Summary report detailing various component faults, their frequency over different time periods, and the corresponding corrective actions. | 30th Sep 1934 | Box 130 \ 1 scan0171 | |
| Summary report on faults and modifications related to carburettors, valves, and plug terminals. | 8th Nov 1934 | Box 130 \ 1 scan0172 | |
| | | | |