| Description | Date | Identifier | |
| The suspension buffer clearances for a 26.G.VI Wraith model and noting an issue with the offside front. | 26th Jul 1937 | Box 108 \ 1 scan0011 | |
| Torque reaction arm on a Wraith raised front mounting not staying tight. | 26th Jul 1937 | Box 108 \ 1 scan0012 | |
| Querying the correct poundage for Wraith cross steering tube joints following a routine inspection. | 26th Jul 1937 | Box 108 \ 1 scan0013 | |
| Technical note with a diagram showing how the bonnet side strips on a Wraith model foul the frame. | 26th Jul 1937 | Box 108 \ 1 scan0014 | |
| Design issue with bottom tappets on the Wraith model, following a broken valve spring, and a proposed solution. | 26th Jul 1937 | Box 108 \ 1 scan0015 | |
| And diagram concerning the Wraith bonnet side strips fouling the frame under the wings. | 26th Jul 1937 | Box 108 \ 1 scan0016 | |
| Issues with clutch engagement and slip on a 26.G.VI. Wraith model. | 26th Jul 1937 | Box 108 \ 1 scan0017 | |
| The junction box for the rear lights on a Wraith model being damaged by stones due to its low position. | 26th Jul 1937 | Box 108 \ 1 scan0018 | |
| Test report on petrol starvation issues for the Wraith model. | 26th Jul 1937 | Box 108 \ 1 scan0019 | |
| Cover note for an attached memo concerning petrol starvation in the 26.G.VI Wraith model. | 28th Jul 1937 | Box 108 \ 1 scan0020 | |
| Test report on petrol starvation issues during acceleration on a Wraith model. | 26th Jul 1937 | Box 108 \ 1 scan0021 | |
| Report regarding fan noise and a request for a new fan and drive belt for a Wraith model. | 26th Jul 1937 | Box 108 \ 1 scan0022 | |
| Query regarding the correct poundage for the cross steering tube joints on a Wraith model. | 26th Jul 1937 | Box 108 \ 1 scan0023 | |
| The clutch performance of a 26.G.VI Wraith vehicle, detailing issues with engagement and slip. | 26th Jul 1937 | Box 108 \ 1 scan0024 | |
| Describing audible wind noise from the back doors of a 26.G.VI Wraith, requiring a rubber sealing strip. | 27th Jul 1937 | Box 108 \ 1 scan0025 | |
| The modification of floorboards for the 26.G.VI Wraith model. | 27th Jul 1937 | Box 108 \ 1 scan0026 | |
| Gearbox issue with the 26.G.VI. Wraith model jumping out of top gear. | 27th Jul 1937 | Box 108 \ 1 scan0027 | |
| The modification of floor-boards on the Wraith model to increase clearance for the gearbox and servo. | 27th Jul 1937 | Box 108 \ 1 scan0028 | |
| Engine oil leak into the clutch pit of a 26.G.VI.- WRAITH model. | 27th Jul 1937 | Box 108 \ 1 scan0029 | |
| Issue with the Wraith gearbox jumping out of top gear on the over-run. | 27th Jul 1937 | Box 108 \ 1 scan0030 | |
| Increase in the height of the domes on the aluminium centre front floor-board for the Wraith model. | 27th Jul 1937 | Box 108 \ 1 scan0031 | |
| Engine oil leak into the clutch pit of a 26.G.VI. Wraith model vehicle. | 27th Jul 1937 | Box 108 \ 1 scan0032 | |
| Water loss from a Wraith model radiator, which appears to overflow when braking. | 27th Jul 1937 | Box 108 \ 1 scan0033 | |
| With a sketch concerning a clearance issue where the bijur connection on the rocker shaft fouls the crankcase on a Wraith model. | 28th Jul 1937 | Box 108 \ 1 scan0034 | |
| Pedal and ignition control issues for the Wraith model. | 28th Jul 1937 | Box 108 \ 1 scan0035 | |
| Oil leak from the front suspension's Bijur feed on a Wraith model due to a lack of restriction. | 28th Jul 1937 | Box 108 \ 1 scan0036 | |
| Noting a fouling issue with the bijur connection on the rocker shaft for a 26.G.VI.- Wraith. | 28th Jul 1937 | Box 108 \ 1 scan0037 | |
| Enclosing a summary of faults for a Wraith car and requesting further instructions. | 28th Jul 1937 | Box 108 \ 1 scan0038 | |
| Summary of reported engine and clutch faults for a Wraith model being tested in Chateauroux, France. | 28th Jul 1937 | Box 108 \ 1 scan0039 | |
| List of vehicle faults and issues categorized by system, page 2. | 28th Jul 1937 | Box 108 \ 1 scan0040 | |
| Investigation into petrol starvation due to vapour lock on the Wraith model. | 28th Jul 1937 | Box 108 \ 1 scan0041 | |
| Instructing a change in the naming convention for reports from 'Wraith' to '25/30'. | 28th Jul 1937 | Box 108 \ 1 scan0042 | |
| Inquiring about the conditions under which a vehicle is losing water. | 29th Jul 1937 | Box 108 \ 1 scan0043 | |
| Wind noise from the back doors and rear pillars of a Wraith model. | 27th Jul 1937 | Box 108 \ 1 scan0044 | |
| Noisy dynamo in a Wraith, diagnosing a faulty roller bearing and requesting a replacement. | 27th Jul 1937 | Box 108 \ 1 scan0045 | |
| Reporting water loss from a 26.G.VI. Wraith radiator. | 27th Jul 1937 | Box 108 \ 1 scan0046 | |
| Response to daily reports regarding the testing and development issues of a Wraith prototype car. | 30th Jul 1937 | Box 108 \ 1 scan0047 | |
| Vehicle faults including engine mounting, steering shake, sparking plugs, and pre-ignition. | 30th Jul 1937 | Box 108 \ 1 scan0048 | |
| Request to test a radiator overflow pipe extension with a scoop to investigate a water loss issue. | 31th Jul 1937 | Box 108 \ 1 scan0049 | |
| Confirmation of a telegram sent to Derby requesting a phone call. | 2nd Aug 1937 | Box 108 \ 1 scan0050 | |
| Telegram from Waller in Chateauroux to Roycar Derby, requesting Robotham to ring phone number 508. | 2nd Aug 1937 | Box 108 \ 1 scan0051 | |
| Confirming a telephone conversation regarding technical issues with a 25/30 HP car. | 28th Aug 1937 | Box 108 \ 1 scan0052 | |
| The dispatch and testing procedure for improved filter cartridges and replacement valve springs. | 4th Aug 1937 | Box 108 \ 1 scan0053 | |
| Despatching front suspension parts to Paris and resolving spring collapse issues on a Wraith model. | 4th Aug 1937 | Box 108 \ 1 scan0054 | |
| Urgent request for a replacement valve spring for a No. 7 valve on a No. 4 cylinder. | 24th Jul 1937 | Box 108 \ 1 scan0055 | |
| Modification proposal for the Wraith's front apron to prevent fouling with bumper bar supports. | 26th Jul 1937 | Box 108 \ 1 scan0056 | |
| The suspension buffer clearances for a Wraith model, noting an issue with the offside front. | 26th Jul 1937 | Box 108 \ 1 scan0057 | |
| The petrol gauge reading for the 26.G.VI. Wraith model. | 26th Jul 1937 | Box 108 \ 1 scan0058 | |
| Engine oil collecting in the clutch pit of a 26.G.VI. Wraith model. | 27th Jul 1937 | Box 108 \ 1 scan0059 | |
| Buckled engine stays for a 26.G.VI Wraith exhaust system. | 28th Jul 1937 | Box 108 \ 1 scan0060 | |
| Query about unrestricted Bijur feeds causing oil to pour from the bottom yoke bearings on a Wraith front suspension. | 28th Jul 1937 | Box 108 \ 1 scan0061 | |
| The delivery and performance of car model 26.G.Vl. to Chateauroux. | 2nd Aug 1937 | Box 108 \ 1 scan0062 | |
| Road test report detailing the performance of the steering, springing, and electrical systems. | 28th Apr 1937 | Box 108 \ 1 scan0063 | |
| Confirming a telephone conversation about vehicle faults including engine mounting, hub tool, tyre wear, and petrol supply system. | 28th Apr 1937 | Box 108 \ 1 scan0064 | |
| Continual drips from the N.S.R. spring shackle and the replacement of bijur feeds. | 5th Aug 1937 | Box 108 \ 1 scan0065 | |
| Continual drips from the N.S.R. spring shackle on a 25/30 HP chassis lubrication system. | 5th Aug 1937 | Box 108 \ 1 scan0066 | |
| Complaint of excessive lubrication on Wraith rear spring shackles and a request to modify drawings. | 9th Aug 1937 | Box 108 \ 1 scan0067 | |
| The chassis lubrication system, detailing the use of bijur plugs for spring shackles and bottom yoke bearings. | 9th Aug 1937 | Box 108 \ 1 scan0068 | |
| Outstanding troubles with the Wraith engine unit, specifically engine roughness and valve gear noise. | 9th Aug 1937 | Box 108 \ 1 scan0069 | |
| Arrangement for a mechanically-operated pump on an engine crankcase. | 9th Aug 1937 | Box 108 \ 1 scan0070 | |
| Requesting a trial of new tyre pressures for the Wraith model, comparing to American practice. | 12th Aug 1937 | Box 108 \ 1 scan0071 | |
| Conclusions from tests in France, discussing personnel and issues with the Phantom III and Wraith models. | 16th Aug 1937 | Box 108 \ 1 scan0072 | |
| Request to despatch specific car parts by Air Mail to Waller at Chateauroux. | 16th Aug 1937 | Box 108 \ 1 scan0073 | |
| Vapour lock investigation in France, testing high-pressure pumps and comparing with American practice. | 16th Aug 1937 | Box 108 \ 1 scan0074 | |
| Performance report on a vehicle's cooling system, vapour lock, and general behaviour, with comparisons to an Oldsmobile. | 16th Aug 1937 | Box 108 \ 1 scan0075 | |
| Road tests and faults of the 32-EX and Wraith models, including comparisons to an Oldsmobile and the P.III. | 16th Aug 1937 | Box 108 \ 1 scan0076 | |
| Brake drum materials, a car examination at Chateauroux, and a positive outlook on a new chassis. | 16th Jun 1937 | Box 108 \ 1 scan0077 | |
| Telegram about sending stronger coil springs for vehicle 26.G.V1 to Waller in Chateauroux, France. | 17th Aug 1937 | Box 108 \ 1 scan0078 | |
| Fan failures and outlining cooling system test procedures. | 17th Aug 1937 | Box 108 \ 1 scan0079 | |
| Confirmation of a telegram reporting on the condition of a Wraith model's tappets and chassis. | 18th Aug 1937 | Box 108 \ 1 scan0080 | |
| Faults noted after a 4,690-mile road test of a 25/30 HP model in France. | 18th Aug 1937 | Box 108 \ 1 scan0081 | |
| Vehicle faults, measurements, and modifications, page 2. | 18th Aug 1937 | Box 108 \ 1 scan0082 | |
| Requesting the dispatch of parts for vehicles 32-EX and 26.G.Vl to Chateauroux, France. | 18th Aug 1937 | Box 108 \ 1 scan0083 | |
| Examination of a 25/30 HP car's chassis and suspension following a trip. | 18th Aug 1937 | Box 108 \ 1 scan0084 | |
| Faults found in a 25/30 HP vehicle after a 4,690-mile test in France. | 18th Aug 1937 | Box 108 \ 1 scan0085 | |
| Numbered report detailing various vehicle faults and observations. | 18th Aug 1937 | Box 108 \ 1 scan0086 | |
| Fault report for a 25/30 HP car after completing 4,690 miles in France. | 18th Aug 1937 | Box 108 \ 1 scan0087 | |
| Report page detailing various vehicle faults, including oil leaks, tyre wear, and spark plug failures. | 18th Aug 1937 | Box 108 \ 1 scan0088 | |
| Parts and blueprints for the Wraith 26-G-6 shock damper bracket and rear springs. | 19th Aug 1937 | Box 108 \ 1 scan0089 | |
| Telegram from Waller regarding the condition of the Wraith model's bottom tappetts and chassis. | 18th Aug 1937 | Box 108 \ 1 scan0090 | |
| 15,000-mile tests in France for the Wraith and Phantom III models. | 21th Aug 1937 | Box 108 \ 1 scan0091 | |
| Noisy dynamo bearing on an experimental 25/30 HP model, with a handwritten note suggesting it's due to a lack of lubrication provision. | 22th Aug 1937 | Box 108 \ 1 scan0092 | |
| Troubles with the rear engine mounting for the 25/30 HP model. | 22th Aug 1937 | Box 108 \ 1 scan0093 | |
| Troubles with the rear engine mounting for a 25/30 HP model. | 22th Sep 1937 | Box 108 \ 1 scan0094 | |
| Sketch illustrating the components of a rear engine mounting, detailing required modifications. | 22th Aug 1937 | Box 108 \ 1 scan0095 | |
| Request for fitting instructions for a bye-pass filter on a 25/30 HP engine. | 22th Aug 1937 | Box 108 \ 1 scan0096 | |
| New fan belt on a 25/30 HP model failing after only 60 miles and requesting more belts for testing. | 22th Aug 1937 | Box 108 \ 1 scan0097 | |
| The failure of a new fan belt for a 25/30 HP vehicle, requesting more belts for further testing. | 22th Aug 1937 | Box 108 \ 1 scan0098 | |
| Noisy dynamo bearing on a 25/30 HP model. | 22th Aug 1937 | Box 108 \ 1 scan0099 | |
| Request for a replacement grease cap for a water pump on a 25/30 HP car. | 23th Aug 1937 | Box 108 \ 1 scan0100 | |
| Fan belt stretch, fan noise, the trial of a Cadillac fan, and water loss on car 26.G.VI. | 23th Aug 1937 | Box 108 \ 1 scan0101 | |
| Fan belt stretch, fan noise, and water loss on car 26.G.VI. | 28th Aug 1937 | Box 108 \ 1 scan0102 | |
| The unavailability of a 'General' bye-pass filter and the alternative plan to use an A.C. type filter. | 24th Aug 1937 | Box 108 \ 1 scan0103 | |
| Telegram received by telephone concerning torque reaction dampers not being included with engine mountings. | 24th Aug 1937 | Box 108 \ 1 scan0104 | |
| Telegram regarding the inclusion of torque reaction dampers with an engine mounting. | 24th Aug 1938 | Box 108 \ 1 scan0105 | |
| Confirmation of a telegram regarding torque reaction dampers for engine mounting. | 24th Aug 1937 | Box 108 \ 1 scan0106 | |
| The despatch of a water pump grease cap. | 25th Aug 1937 | Box 108 \ 1 scan0107 | |
| Carburettor issues, specifically a sticking choke and a rattling air silencer on a 25/30 HP model. | 24th Aug 1937 | Box 108 \ 1 scan0108 | |
| Issues with the front engine mounting for the 25/30 HP model. | 24th Aug 1937 | Box 108 \ 1 scan0109 | |
| Request to prepare and fit strengthened shock damper levers and a new petrol tank to a Wraith III car. | 26th Aug 1937 | Box 108 \ 1 scan0110 | |
| | | | |
