| Description | Date | Identifier | |
| Update on experiments with a special steering system for chassis GMK-49. | 20th Jul 1926 | Box 47 \ 5 Scan059 | |
| Summary of correspondence with Sir John Latta regarding the springing of chassis GZK-52. | 5th Aug 1926 | Box 47 \ 5 Scan060 | |
| Customer's springing and vibration complaint for Chassis No. GCK-52, detailing tests and proposed solutions. | 5th Aug 1926 | Box 47 \ 5 Scan061 | |
| Instructions for the urgent completion of work and redelivery of Chassis GCK-52 to Messrs. Barker for Sir John Latta. | 8th Aug 1926 | Box 47 \ 5 Scan062 | |
| List of common complaints for the 20 HP model, cross-referenced with internal codes. | 8th Aug 1926 | Box 47 \ 5 Scan063 | |
| Customer complaint about the steering on Chassis GSK.68, comparing it unfavorably to competitor cars. | 9th Aug 1926 | Box 47 \ 5 Scan064 | |
| Test report on the springing of chassis GCK-52, owned by Sir John Latta, with recommendations for modification. | 10th Aug 1926 | Box 47 \ 5 Scan065 | |
| Comparison of spring and body weights for chassis GCK. 52 and G.A.9. | 10th Aug 1926 | Box 47 \ 5 Scan066 | |
| Comparison of spring and body weight specifications for chassis GCK.52 and G.A.9. | 10th Aug 1926 | Box 47 \ 5 Scan067 | |
| Modified steering system for 20 HP cars, with an invitation for a test drive. | 12th Aug 1926 | Box 47 \ 5 Scan068 | |
| Fractures on a side-steering tube for chassis 50-S-2, attributing them to a previous collision rather than high-speed wobbles. | 24th Aug 1926 | Box 47 \ 5 Scan069 | |
| High-speed wobble issues on a 20 HP chassis, its potential causes, and a comparison with the Phantom model. | 26th Aug 1926 | Box 47 \ 5 Scan070 | |
| Analysis of a component fracture reported by a customer, concluding it was a fatigue failure. | 26th Aug 1926 | Box 47 \ 5 Scan071 | |
| Incident with chassis GLK-58 where liquid petrol was emitted from the exhaust after the driver failed to turn on the stop valve. | 27th Aug 1926 | Box 47 \ 5 Scan072 | |
| Internal correspondence regarding a customer complaint about vehicle bouncing and potential shock absorber modifications. | 28th Aug 1926 | Box 47 \ 5 Scan073 | |
| Fault where petrol is sucked directly into the engine through the autovac pipe. | 30th Aug 1926 | Box 47 \ 5 Scan074 | |
| Recurring customer complaint of burning points for chassis GCK-70. | 3rd Sep 1926 | Box 47 \ 5 Scan075 | |
| Letter of complaint regarding rapidly wearing platinum ignition points on a 20-HP chassis. | 30th Aug 1926 | Box 47 \ 5 Scan076 | |
| Issues with the platinum points on a 20 HP chassis, GCK-70, for H.N. Ashton, Esq. | 6th Sep 1926 | Box 47 \ 5 Scan077 | |
| Supply of new experimental steering for a 20HP car, chassis No. GSK.68. | 11th Sep 1926 | Box 47 \ 5 Scan078 | |
| Steering and springing improvements for Chassis No. GSK.68, belonging to J.H. Tangye Esq. | 16th Sep 1926 | Box 47 \ 5 Scan079 | |
| Steering modifications for 20HP cars and a specific customer complaint for chassis GSK.68. | 16th Sep 1926 | Box 47 \ 5 Scan080 | |
| Supply and fitting of modified steering parts for chassis GSK-68 for Mr. J.H. Tangye. | 10th Sep 1926 | Box 47 \ 5 Scan081 | |
| Correcting details about a steering changeover for the 20HP model for chassis GSK-68. | 11th Sep 1926 | Box 47 \ 5 Scan082 | |
| Letter regarding a steering modification for a 20HP car, questioning the cost of a complete steering column replacement. | 14th Sep 1926 | Box 47 \ 5 Scan083 | |
| Improvements to address the 'worst features' of the 20 HP and Phantom models. | 20th Oct 1926 | Box 47 \ 5 Scan084 | |
| List of vehicle faults, detailing the current status and any solutions or improvements made. | 28th Oct 1926 | Box 47 \ 5 Scan085 | |
| Quarterly complaints report for the 20HP model for the period ending September 30th, listing the 12 worst issues. | 28th Oct 1926 | Box 47 \ 5 Scan086 | |
| Customer complaints about vehicle springing, springs, and platinum points, with responses on potential cures. | 28th Oct 1926 | Box 47 \ 5 Scan087 | |
| A broken side steering tube on 20-HP Chassis No.71-A-8. | 5th Nov 1926 | Box 47 \ 5 Scan088 | |
| Letter from a customer concerning a damaged steering tube on a 20-HP vehicle, Chassis No. 71-A-8, and a subsequent near-accident. | 1st Nov 1926 | Box 47 \ 5 Scan089 | |
| The concluding page of a typed letter from James P. Chettle. | 2nd Nov 1926 | Box 47 \ 5 Scan090 | |
| Accident report detailing slight damage to a wing and a scratched locking ring. | 2nd Nov 1926 | Box 47 \ 5 Scan091 | |
| Steering complaints on the 20 HP chassis leading to lost sales, and considering alterations. | 13th Nov 1926 | Box 47 \ 5 Scan092 | |
| Letter from a potential customer complaining about road shock through the steering wheel, leading them to purchase a French car instead. | 11th Nov 1926 | Box 47 \ 5 Scan093 | |
| Customer's steering complaint on a 20 HP car and the subsequent actions. | 13th Nov 1926 | Box 47 \ 5 Scan094 | |
| Steering modifications made to a 20 HP Saloon to address customer complaints about road shock, wobble, and handling. | 11th Nov 1926 | Box 47 \ 5 Scan095 | |
| Clarifying the position and modifications of the 20 HP steering system. | 15th Nov 1926 | Box 47 \ 5 Scan096 | |
| Continued discussion on steering modifications for the 20 HP model, comparing springs with the Phantom and noting delays in introducing a new system. | 21th Sep 1928 | Box 47 \ 5 Scan097 | |
| Cover memo for a list of principal complaints on the 20 HP and Phantom cars dealt with by the Repair Department. | 16th Nov 1926 | Box 47 \ 5 Scan098 | |
| Quarterly report listing the 12 worst complaints for the 40/50 HP Phantom model. | 29th Oct 1926 | Box 47 \ 5 Scan099 | |
| Quarterly report on the 12 worst complaints for the 20 HP model for the quarter ending September 30th. | 28th Oct 1926 | Box 47 \ 5 Scan100 | |
| Report page detailing complaints for the 20 HP model, specifically regarding broken front springs and burning platinum points. | 18th Nov 1926 | Box 47 \ 5 Scan101 | |
| Complaints and proposed solutions for the Phantom & 20 HP models, covering issues with springing, brake servo, and throttle sticking. | 18th Nov 1926 | Box 47 \ 5 Scan102 | |
| Necessary modifications for a vehicle's carburetter, steering, heat insulation and other chassis faults. | 18th Nov 1926 | Box 47 \ 5 Scan103 | |
| Complaints and proposed solutions for Phantom & 20 HP models, focusing on springing, brake servo, and throttle issues. | 18th Nov 1926 | Box 47 \ 5 Scan104 | |
| Necessary corrections for the carburetter, steering, and heat issues, and addressing steering wobbles. | 25th Nov 1926 | Box 47 \ 5 Scan105 | |
| List of faults for the 20 HP model, titled 'Re Six Worst Features'. | 25th Nov 1926 | Box 47 \ 5 Scan106 | |
| List detailing the twenty worst features of the 20 HP model. | 25th Nov 1926 | Box 47 \ 5 Scan107 | |
| Responding to a list of technical issues and features requiring attention on the 20 HP model. | 29th Nov 1926 | Box 47 \ 5 Scan108 | |
| List of vehicle faults and the company's response or proposed actions for each issue. | 29th Nov 1926 | Box 47 \ 5 Scan109 | |
| Issue with oil leaks in the water pump drive. | 29th Nov 1926 | Box 47 \ 5 Scan110 | |
| Replying to a list of engine and component features or issues. | 29th Nov 1926 | Box 47 \ 5 Scan111 | |
| Status update on various vehicle component modifications and tests, including petrol gauges, slipper drives, and bonnet louvres. | 30th Nov 1926 | Box 47 \ 5 Scan112 | |
| Customer's feedback on steering improvements to Chassis No. GSK-38. | 30th Nov 1926 | Box 47 \ 5 Scan113 | |
| Extract from a customer letter expressing satisfaction with new steering. | 26th Nov 1926 | Box 47 \ 5 Scan114 | |
| Complaints, quality control, and delivery schedules for the 20-HP cars. | 3rd Dec 1926 | Box 47 \ 5 Scan115 | |
| Quarterly complaints report for the 20HP model listing issues, number of cars affected, and remedies. | 25th Dec 1926 | Box 47 \ 5 Scan116 | |
| Summary report detailing customer complaints for the 20HP model, categorized by issue with remarks on solutions. | 25th Dec 1926 | Box 47 \ 5 Scan117 | |
| Vehicle complaints for the 20HP model, detailing issues and potential remedies. | 13th Dec 1926 | Box 47 \ 5 Scan118 | |
| Uncertainty over the effectiveness of modified steering parts for the 20 HP model, following a customer's initial satisfaction. | 13th Dec 1926 | Box 47 \ 5 Scan119 | |
| Streamlined process for handling complaints regarding 40/50 HP and 20 HP cars. | 1st Jan 1927 | Box 47 \ 5 Scan120 | |
| Request to add a missing point, 'CLUTCH JAGGER', to a report on the worst features of the 20 HP model. | 14th Jan 1927 | Box 47 \ 5 Scan121 | |
| Letter addressing platinum point pitting and offering steering modifications for a 20-HP Chassis. | 7th Jan 1927 | Box 47 \ 5 Scan122 | |
| Customer letter regarding a faulty platinum contact screw and an inquiry about a new steering column fitting. | 5th Jan 1927 | Box 47 \ 5 Scan123 | |
| Requesting the preparation of a 750 worm and nut for a 20 HP steering column for a customer's car. | 13th Jan 1927 | Box 47 \ 5 Scan124 | |
| Worst features and customer complaints regarding the 20 HP model. | 14th Jan 1927 | Box 47 \ 5 Scan125 | |
| Listing and responding to various vehicle performance issues including clutch, brakes, springs, and engine noises. | 14th Jan 1927 | Box 47 \ 5 Scan126 | |
| Page discussing a numbered list of vehicle faults and concluding with a prioritized list of issues to address. | 14th Jan 1927 | Box 47 \ 5 Scan127 | |
| On complaints of squeaking brakes on 'India' cars, suggesting a damper as a potential solution. | 24th Jan 1927 | Box 47 \ 5 Scan128 | |
| Complaints about a new friction scheme on the swinging link for the Phantom and 20 HP models. | 28th Jan 1927 | Box 47 \ 5 Scan129 | |
| Brief typed memo requesting a response regarding the 'Worst Features' on a 20 HP model. | 31th Jan 1927 | Box 47 \ 5 Scan130 | |
| Quarterly complaint record regarding a sample of worn Tappet Pins from chassis GCK-2 after 3,000 miles. | 1st Feb 1927 | Box 47 \ 5 Scan131 | |
| Listing the worst features of the 20 HP model and the proposed actions for improvement. | 2nd Feb 1927 | Box 47 \ 5 Scan132 | |
| Modifications made to a customer's steering system on a 20hp chassis and the positive feedback received. | 25th Feb 1927 | Box 47 \ 5 Scan133 | |
| Urgent internal memo regarding a dissatisfied customer's chassis, GNK-74, with a handwritten reply. | 8th Mar 1927 | Box 47 \ 5 Scan134 | |
| Internal memorandum regarding a customer's request for polished carburettor jets for a 20-HP Chassis GYK-48. | 23th Mar 1927 | Box 47 \ 5 Scan135 | |
| Quarterly complaints report for the 20HP model for the quarter ending in March 1927. | 25th Mar 1927 | Box 47 \ 5 Scan136 | |
| Summary of car complaints, the number of cases reported, and remarks on remedies. | 25th Mar 1927 | Box 47 \ 5 Scan137 | |
| Summary table of vehicle complaints, affected car statistics by series, and proposed engineering remedies. | 25th Mar 1927 | Box 47 \ 5 Scan138 | |
| Single instance of a broken crankshaft, attributing the failure to a seized Slipper Drive. | 3rd May 1927 | Box 47 \ 5 Scan139 | |
| Returning a list of quarterly complaints which require no further alteration. | 3rd May 1927 | Box 47 \ 5 Scan140 | |
| Letter regarding the dispatch of a broken crankshaft and damper for chassis GRK.19. | 13th May 1927 | Box 47 \ 5 Scan141 | |
| Crankshaft failure, likely caused by a corroded damper due to the car being stationary. | 10th May 1927 | Box 47 \ 5 Scan142 | |
| Brief history of chassis number GRK-19, belonging to Miss Edwards, including its travels and modifications. | 10th May 1927 | Box 47 \ 5 Scan143 | |
| Confirming the prioritised list of the worst features on the 20 HP model. | 24th Jun 1927 | Box 47 \ 5 Scan144 | |
| Quarterly complaints report for the 20HP model for the quarter ending 24th June 1927. | 24th Jun 1927 | Box 47 \ 5 Scan145 | |
| Summary table of vehicle complaints, the number of cars affected, and corresponding remarks. | 24th Jun 1927 | Box 47 \ 5 Scan146 | |
| Common vehicle complaints, the number of affected cars, and the corresponding technical remedies. | 24th Jun 1927 | Box 47 \ 5 Scan147 | |
| Complaints of broken camshaft wheels and crankshafts. | 30th Mar 1927 | Box 47 \ 5 Scan148 | |
| Quarterly complaints report for the 20 HP model, listing issues, car counts, and remarks. | 30th Mar 1927 | Box 47 \ 5 Scan149 | |
| Summary table of vehicle complaints, car counts, and resolution remarks. | 30th Mar 1927 | Box 47 \ 5 Scan150 | |
| Table detailing vehicle complaints, the number of cars affected, and remarks on the causes and remedies. | 30th Mar 1927 | Box 47 \ 5 Scan151 | |
| Table detailing complaints, statistics, and remarks for issues with exhaust pipe brackets and dynamo drive rattles. | 3rd Oct 1927 | Box 47 \ 5 Scan152 | |
| Suspension complaint from a customer and proposing alterations for a 20 HP car, chassis GAJ-37. | 3rd Oct 1927 | Box 47 \ 5 Scan153 | |
| Modification of the '20' model's suspension for Continental conditions. | 6th Oct 1927 | Box 47 \ 5 Scan154 | |
| Stiffer spring options and their rates for chassis GAJ-37. | 6th Oct 1927 | Box 47 \ 5 Scan155 | |
| Settlement of charges for work carried out on chassis GNK-93 for M. Jose de Astoreca. | 10th Oct 1927 | Box 47 \ 5 Scan156 | |
| Requesting a comparison between cases GNK-93 and GNK-74, following the discovery of acid corrosion in the engine of GNK-93. | 1st Apr 1927 | Box 47 \ 5 Scan157 | |
| Chasing a reply regarding a Request for Credit for work carried out on chassis GNK-93 for M. Jose de Astoreca. | 27th Oct 1927 | Box 47 \ 5 Scan158 | |
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