| Description | Date | Identifier | |
| Cover page for a quarterly complaints report on the New Phantom and late 20 HP chassis. | 20th Mar 1929 | Box 47 \ 2 Scan102 | |
| Quarterly complaints report for the 40/50 HP Phantom model for the quarter ending 31st December 1928. | 31th Dec 1928 | Box 47 \ 2 Scan103 | |
| Summary report listing customer complaints about vehicle faults and the corresponding engineering remarks. | 31th Dec 1928 | Box 47 \ 2 Scan104 | |
| Customer complaints, number of affected cars, and engineering remarks for various vehicle models. | 31th Dec 1928 | Box 47 \ 2 Scan105 | |
| Summary report on complaints, including noisy tappets, sticking throttles, and water pump failures. | 4th Apr 1929 | Box 47 \ 2 Scan106 | |
| Alteration of springs in the side steering tube for chassis 89-KR. | 4th Apr 1929 | Box 47 \ 2 Scan107 | |
| Securing a 'Phantom' order by modifying the steering to be less 'spongy' for an important customer. | 3rd Apr 1929 | Box 47 \ 2 Scan108 | |
| The successful fitting of four special springs to chassis No. 89.KR to meet customer steering satisfaction. | 11th Apr 1929 | Box 47 \ 2 Scan109 | |
| Return of four special springs for the side steering tube on chassis 89-KR and an inquiry about the test results. | 1st Apr 1929 | Box 47 \ 2 Scan110 | |
| Boiling issues and greasy substances found in the radiators of two vehicles belonging to Sir Pomeroy Burton and Commendatore Ettore Luzzato. | 29th Apr 1929 | Box 47 \ 2 Scan111 | |
| Letter discussing radiator overheating due to suspected grease in the cooling system for chassis 95-WR. | 24th Apr 1929 | Box 47 \ 2 Scan112 | |
| Trouble with K.S. petrol gauges in India and the proposed change to a triple air line. | 29th Apr 1929 | Box 47 \ 2 Scan113 | |
| Authorization for stronger springs to be supplied for a 'Phantom' chassis for a Mr. Haywood. | 30th Apr 1929 | Box 47 \ 2 Scan114 | |
| Securing a customer's order for a 'Phantom' chassis by modifying the steering. | 30th Apr 1929 | Box 47 \ 2 Scan115 | |
| Issues with anti-freeze solutions choking radiator cores and the lubrication of the water pump gland. | 30th Apr 1929 | Box 47 \ 2 Scan116 | |
| Confirming the successful testing of a petrol gauge for chassis 17-EX. | 30th Apr 1929 | Box 47 \ 2 Scan117 | |
| The supply and ordering of Telegage units for chassis 17-EX and future Phantom cars. | 1st May 1929 | Box 47 \ 2 Scan118 | |
| Incorrect K.S. petrol gauge installation for chassis 17-EX and the request to order the correct part. | 5th May 1929 | Box 47 \ 2 Scan119 | |
| Experimental springs for chassis N.122 KR, detailing specifications and performance concerns like high-speed wobbles. | 5th May 1929 | Box 47 \ 2 Scan120 | |
| Customer's specific requirements for springs on chassis 122.KR. | 6th May 1929 | Box 47 \ 2 Scan121 | |
| Laboratory report detailing the analysis of severe radiator corrosion on Chassis 72-CL. | 6th May 1929 | Box 47 \ 2 Scan122 | |
| Radiator tube dezincification and suggesting water analysis for chassis 72-CL. | 6th May 1929 | Box 47 \ 2 Scan123 | |
| Customer complaint regarding a noise from the car's transmission and the recommended course of action. | 11th May 1929 | Box 47 \ 2 Scan124 | |
| Fitting instructions for a Hobson petrol gauge on a 17-EX chassis. | 17th May 1929 | Box 47 \ 2 Scan125 | |
| Instructions on the connection and troubleshooting of a tank unit and gauge, with a handwritten request for K.S. liquid. | 12th Jun 1929 | Box 47 \ 2 Scan126 | |
| Customer complaint letter regarding gearbox difficulty and engine issues on chassis 47-KR. | 12th Jun 1929 | Box 47 \ 2 Scan127 | |
| A top oiling issue temporarily fixed with new felt washers. | 20th Jun 1929 | Box 47 \ 2 Scan128 | |
| Braking alterations for Malcolm Campbell's Phantom car. | 20th Jun 1929 | Box 47 \ 2 Scan129 | |
| Stating that the quarterly complaints list for the New Phantom & Late 20 HP Chassis will not be issued for the quarter ending March 31st, 1929. | 2nd Jul 1929 | Box 47 \ 2 Scan130 | |
| Customer complaints about shock absorber knocks and potential remedies for 20 HP and 40/50 HP models. | 1st Jul 1929 | Box 47 \ 2 Scan131 | |
| Estimating car stopping distances and suggesting a contact for more favourable test data. | 5th Jul 1929 | Box 47 \ 2 Scan132 | |
| Diagnosis and attempted repair of a severe boiling issue on chassis 53-CL. | 22th Jul 1929 | Box 47 \ 2 Scan133 | |
| Radiator fault due to sediment, discussing customer relations and future prevention. | 22th Jul 1929 | Box 47 \ 2 Scan134 | |
| Request to dispatch a radiator from chassis 29-CL to Derby to investigate a choked water space. | 24th Jul 1929 | Box 47 \ 2 Scan135 | |
| Chassis frame failure for chassis 3-LC, with an analysis of the cause and recommendations for strengthening a bracket. | 25th Jul 1929 | Box 47 \ 2 Scan136 | |
| Diagram illustrating the fracture progression on a bolted tie rod lug under load. | 25th Sep 1929 | Box 47 \ 2 Scan137 | |
| Cause of fractures in frame tie brackets and the proposed manufacturing solution. | 5th Aug 1929 | Box 47 \ 2 Scan138 | |
| Customer vehicle complaints regarding steering, boiling, fan blades and brakes, with proposed solutions. | 6th Sep 1929 | Box 47 \ 2 Scan139 | |
| Report page detailing issues with brake linings and comparing vehicle performance to a competitor in desert conditions. | 6th Sep 1929 | Box 47 \ 2 Scan140 | |
| Copy of a letter from Mr. Thorne Donnelley detailing a cross-country car journey and its performance. | 6th Sep 1929 | Box 47 \ 2 Scan141 | |
| Travelogue detailing a cross-country car journey, focusing on mileage, road conditions, and vehicle reliability. | 6th Sep 1929 | Box 47 \ 2 Scan142 | |
| Car's condition and engine performance following an 8,270-mile trip. | 27th Sep 1929 | Box 47 \ 2 Scan143 | |
| Tappet rod tube corrosion in an aluminium cylinder head from chassis 97-KR and subsequent testing. | 27th Sep 1929 | Box 47 \ 2 Scan144 | |
| Confirming arrangements to deal with a springing complaint on Chassis No. 99-WR. | 23th Oct 1929 | Box 47 \ 2 Scan145 | |
| Investigation into an overheating issue on Chassis 86-WR, concerning the cylinders and a suspected faulty valve seat. | 30th Oct 1929 | Box 47 \ 2 Scan146 | |
| Customer complaints of pitching and dithering on chassis No. 43-KR, detailing ongoing experiments to improve the springing. | 25th Oct 1929 | Box 47 \ 2 Scan147 | |
| The frequent lubrication of springs to address riding characteristics and customer complaints. | 25th Oct 1929 | Box 47 \ 2 Scan148 | |
| The completed changes to springs and shock absorbers for chassis 99-WR, detailing remaining issues with body rattles and the rear seat. | 30th Oct 1929 | Box 47 \ 2 Scan149 | |
| Overheating issues and potential causes on Chassis 56-WR following the fitting of new cylinders. | 31th Oct 1929 | Box 47 \ 2 Scan150 | |
| Engine testing, returning dismantled cylinders, and a request for authority to debit costs for the work. | 5th Nov 1929 | Box 47 \ 2 Scan151 | |
| Cover letter for the quarterly complaints report for the New Phantom and late 20 HP chassis. | 5th Nov 1929 | Box 47 \ 2 Scan152 | |
| Quarterly complaints report for the 40/50 HP Phantom model for the quarter ending in June 1929. | 30th Jun 1929 | Box 47 \ 2 Scan153 | |
| Summary table of vehicle complaints, car counts, and corresponding engineering remarks. | 30th Jun 1929 | Box 47 \ 2 Scan154 | |
| Summary table of vehicle complaints, number of cases, and technical remarks on their causes and solutions. | 30th Jun 1929 | Box 47 \ 2 Scan155 | |
| Summary of customer complaints and technical resolutions for various car faults. | 30th Jun 1929 | Box 47 \ 2 Scan156 | |
| Quarterly complaints report for the 20 HP model for the quarter ending 30.06.29. | 30th Jun 1929 | Box 47 \ 2 Scan157 | |
| Summary table of vehicle complaints, affected car counts, and technical remarks. | 30th Jun 1929 | Box 47 \ 2 Scan158 | |
| Summary table of vehicle complaints, number of cars affected by series, and remedial actions taken. | 30th Jun 1929 | Box 47 \ 2 Scan159 | |
| Customer complaints about broken front springs and noisy tappets for Pre-India and India Series cars. | 13th Nov 1929 | Box 47 \ 2 Scan160 | |
| Quarterly complaints report regarding squeaking brakes, fabric coupling failures, and shock absorber knocks. | 13th Nov 1929 | Box 47 \ 2 Scan161 | |
| Technical memorandum discussing remedies for issues with springing, steering, brakes, and engine oiling. | 13th Nov 1929 | Box 47 \ 2 Scan162 | |
| Vehicle issues including hydraulic damper rattles, steering wobbles, and broken front springs. | 13th Nov 1929 | Box 47 \ 2 Scan163 | |
| To Col Hawkins in Paris regarding delayed feedback on Mr. Harris's car. | 13th Nov 1929 | Box 47 \ 2 Scan164 | |
| Trial run with customer Mr. Hague concerning spring lubrication and tyre pressure on chassis 99-WR. | 16th Nov 1929 | Box 47 \ 2 Scan165 | |
| Customer's complaint regarding his car and the strategy for handling his desire to exchange it for a new Phantom II. | 16th Nov 1929 | Box 47 \ 2 Scan166 | |
| Inquiry into the high volume of free-of-charge work at the Cricklewood depot. | 18th Nov 1929 | Box 47 \ 2 Scan167 | |
| Cover note for a returned list of Quarterly Complaints with accompanying remarks. | 22th Nov 1929 | Box 47 \ 2 Scan168 | |
| Chassis 99-FH, stating it is ready and required for a week to complete modifications. | 23th Nov 1929 | Box 47 \ 2 Scan169 | |
| Cover note for a discussion record regarding the quarterly list of complaints. | 23th Nov 1929 | Box 47 \ 2 Scan170 | |
| Meeting notes reviewing customer complaints for the quarter ending June 1929, focusing on squeaking brakes and boiling issues. | 14th Nov 1929 | Box 47 \ 2 Scan171 | |
| Quarterly complaints report detailing various product failures and the status of their respective solutions. | 14th Nov 1929 | Box 47 \ 2 Scan172 | |
| Quarterly report detailing customer complaints and proposed remedies for various vehicle issues. | 14th Nov 1929 | Box 47 \ 2 Scan173 | |
| List of quarterly customer complaints regarding various vehicle failures and issues. | 25th Nov 1929 | Box 47 \ 2 Scan174 | |
| Investigation into a choked radiator causing overheating and water loss on a customer's car, including the diagnosis and rectification work. | 25th Nov 1929 | Box 47 \ 2 Scan175 | |
| Radiator overheating issue on an F2B series car. | 25th Nov 1929 | Box 47 \ 2 Scan176 | |
| Communication with a Mr. Short about the work performed on his car. | 26th Nov 1929 | Box 47 \ 2 Scan177 | |
| Quarterly report on complaints for the New Phantom and Late 20 HP chassis for the quarter ending September 1929. | 26th Nov 1929 | Box 47 \ 2 Scan178 | |
| Analysis of vehicle overheating complaints for the quarter ending 30.9.29. | 30th Sep 1929 | Box 47 \ 2 Scan179 | |
| Log sheet detailing radiator maintenance and replacement work performed on various chassis. | 30th Sep 1929 | Box 47 \ 2 Scan180 | |
| Quarterly report on customer complaints for the 40/50 HP Phantom model. | 30th Sep 1929 | Box 47 \ 2 Scan181 | |
| Customer complaints, affected car counts, and corresponding remarks or solutions. | 30th Sep 1929 | Box 47 \ 2 Scan182 | |
| Summary of common vehicle complaints and the proposed engineering solutions. | 30th Sep 1929 | Box 47 \ 2 Scan183 | |
| Summary table of vehicle complaints, number of cars affected, and technical remarks on resolutions. | 30th Sep 1929 | Box 47 \ 2 Scan184 | |
| Summary report detailing customer complaints, the number of cars affected, and remarks on corrective actions. | 30th Sep 1929 | Box 47 \ 2 Scan185 | |
| Customer complaints about noisy magnetos and flooding carburettors, along with the remedial actions taken. | 30th Sep 1929 | Box 47 \ 2 Scan186 | |
| Quarterly complaints report for the 20 HP model for the quarter ending in September 1929. | 30th Sep 1929 | Box 47 \ 2 Scan187 | |
| Engine and exhaust complaints, the number of cars affected, and proposed remedies. | 30th Sep 1929 | Box 47 \ 2 Scan188 | |
| Vehicle complaints, the number of cars affected, and associated remarks. | 30th Sep 1929 | Box 47 \ 2 Scan189 | |
| Summary report on common vehicle complaints, number of cars affected, and engineering remarks. | 30th Sep 1929 | Box 47 \ 2 Scan190 | |
| Summary of car complaints and remedies, categorised by Pre-India and India Series models. | 30th Sep 1929 | Box 47 \ 2 Scan191 | |
| Summary of customer complaints regarding sticking foot brake mechanisms and oil leaks at the rear axle. | 2nd Dec 1929 | Box 47 \ 2 Scan192 | |
| Performance upgrades for the 20 HP model, including fitting a cut-out and high compression pistons. | 2nd Dec 1929 | Box 47 \ 2 Scan193 | |
| Amendments to the quarterly complaint report for September 1929. | 27th Nov 1929 | Box 47 \ 2 Scan194 | |
| Potential performance gain and high cost of fitting a cut-out for a customer. | 29th Nov 1929 | Box 47 \ 2 Scan195 | |
| Water loss in car 61-CL due to frothing caused by excessive sodium. | 29th Nov 1929 | Box 47 \ 2 Scan196 | |
| Investigation into a 'jellying' complaint, proposing a modified frame and further testing. | 3rd Dec 1929 | Box 47 \ 2 Scan197 | |
| Letter expressing delight with a new 25 HP Mulliner Weymann Saloon and offering two other cars for sale. | 3rd Dec 1929 | Box 47 \ 2 Scan198 | |
| Letter discussing potential car sales, comparing a Weymann Saloon with a 1928 GYL-63 chassis and a 20 Hp car for a potential customer. | 5th Dec 1929 | Box 47 \ 2 Scan199 | |
| Customer complaint about high speed pitching on chassis S7-AL and proposed resolutions. | 13th Dec 1929 | Box 47 \ 2 Scan200 | |
| Customer letter regarding ride comfort issues with chassis 87-AL. | 11th Dec 1929 | Box 47 \ 2 Scan201 | |
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