| Description | Date | Identifier | |
| From EP responding to a report about rattles and performance of Goshawk-11 and Amateur cars, requesting instructions for standard alterations. | 13th Apr 1922 | Box 46 \ 2 Scan164 | |
| Various issues with Goshawk-11 models, including bonnet catches, oil fillers, rattles, and universal joints. | 13th Apr 1922 | Box 46 \ 2 Scan165 | |
| Report discussing component issues and modernisation questions regarding Goshawk model cars. | 13th Apr 1922 | Box 46 \ 2 Scan166 | |
| The availability of a Goshawk II trials car for an amateur test after its 10,000-mile run. | 13th Apr 1922 | Box 46 \ 2 Scan167 | |
| Telegram from Hives regarding travel plans for himself and Haldenby to Laval with G. 6. | 17th Apr 1922 | Box 46 \ 2 Scan168 | |
| Copy of a wire sent to HY regarding the arrangement of an additional driver. | 18th Apr 1922 | Box 46 \ 2 Scan169 | |
| Use of the Goshawk-11 trials car for amateur testing after its 10,000-mile run. | 19th Apr 1922 | Box 46 \ 2 Scan170 | |
| Field report from J.H. Waldron in France regarding car mileage, parts received, and an oil leak. | 18th Apr 1922 | Box 46 \ 2 Scan171 | |
| Circulating a copy of a letter from J.R. Waldron, the driver of the 'Le Canadel' car. | 20th Apr 1922 | Box 46 \ 2 Scan172 | |
| Correspondence regarding brake performance issues and tests on Goshawk-11 chassis, including arrangements for drivers and discussions on faults. | 19th Apr 1922 | Box 46 \ 2 Scan173 | |
| Tyre pressures, a report on the 5-Goshawk-II, and the potential return of a car for examination. | 19th Apr 1922 | Box 46 \ 2 Scan174 | |
| The performance and identified faults of the 7-Goshawk-11 car. | 19th Apr 1922 | Box 46 \ 2 Scan175 | |
| Car performance, discussing issues with Goshawk models and communication regarding replacement parts. | 19th Apr 1922 | Box 46 \ 2 Scan176 | |
| The coachwork of a Mulliner's Chiswick phaeton, noting defects and points for future improvement. | 19th Apr 1922 | Box 46 \ 2 Scan177 | |
| The coachwork of a car, noting issues with wheel clearance, disc wheel fitment, and general finish. | 19th Apr 1922 | Box 46 \ 2 Scan178 | |
| Circulating a report on the Goshawk 10,000 Mile Test for the S-G-II (Express Car). | 19th Apr 1922 | Box 46 \ 2 Scan179 | |
| Field report on a vehicle's performance and condition, with corresponding internal comments. | 14th Apr 1911 | Box 46 \ 2 Scan180 | |
| Faults with a headlight, steering, shock absorbers, and body fittings, alongside engine performance notes. | 14th Apr 1911 | Box 46 \ 2 Scan181 | |
| Vehicle test report detailing mileage, fuel consumption, and observed faults with rattles, suspension and brakes. | 25th Apr 1922 | Box 46 \ 2 Scan182 | |
| Letter discussing development, testing, and issues with Goshawk II cars, models 6-G-II and 7-G-II. | 25th Apr 1922 | Box 46 \ 2 Scan183 | |
| Faults and suggesting improvements for several car models concerning suspension, radiators, brakes, tyres, and floor boards. | 25th Apr 1922 | Box 46 \ 2 Scan184 | |
| Typed memorandum discussing faults and improvements regarding shock absorbers, steering column leaks, starter switches, dynamo rattle and throttle control, with handwritten feedback. | 25th Apr 1922 | Box 46 \ 2 Scan185 | |
| Letter discussing the fitting of Lucas shock absorbers and other parts to a chassis, its potential as an advertisement, and market comparison of the 40/50 model. | 20th Apr 1922 | Box 46 \ 2 Scan186 | |
| Correspondence regarding worn dynamo brushes on a Goshawk engine, detailing fault analysis and corrective actions. | 20th Apr 1922 | Box 46 \ 2 Scan187 | |
| Modifications and issues with Goshawk-11 cars, including water loss and steering. | 21th Apr 1922 | Box 46 \ 2 Scan188 | |
| Issues and suggestions regarding the dynamo, carburetter, and spare fuse wire placement on Goshawk models. | 21th Apr 1922 | Box 46 \ 2 Scan189 | |
| Report discussing performance issues and proposed modifications for Goshawk models, covering noisy gears, spring shackles, undershields, shock absorbers, and brakes. | 21th Apr 1922 | Box 46 \ 2 Scan190 | |
| Technical report discussing issues and proposed improvements for Goshawk models, covering the differential, brakes, clutch, and carburettor. | 21th Apr 1922 | Box 46 \ 2 Scan191 | |
| Testing and specifications for steering levers, steering wheels, tyre pressures, and springs. | 21th Apr 1922 | Box 46 \ 2 Scan192 | |
| Design and testing of springs and wheels for various Goshawk-11 chassis. | 21th Apr 1922 | Box 46 \ 2 Scan193 | |
| Technical memorandum discussing ongoing issues with the Goshawk-11 car, including petrol filters, water loss, and steering. | 21th Apr 1922 | Box 46 \ 2 Scan194 | |
| Ongoing engine development issues including dynamo rattle, carburettor adjustments, and component failures. | 21th Apr 1922 | Box 46 \ 2 Scan195 | |
| Technical issues and potential solutions for various Goshawk-11 car models. | 21th Apr 1922 | Box 46 \ 2 Scan196 | |
| Component issues and potential improvements for the Goshawk-11 model. | 21th Apr 1922 | Box 46 \ 2 Scan197 | |
| Report discussing testing and component selection for steering, wheels, tyres, and springs. | 21th Apr 1922 | Box 46 \ 2 Scan198 | |
| Woodhead springs and the types of wheels for Goshawk-11 models. | 21th Apr 1922 | Box 46 \ 2 Scan199 | |
| Dynamo brush failure and transmission rattle on a Goshawk-11 car, with internal comments on solutions. | 21th Apr 1922 | Box 46 \ 2 Scan200 | |
| Dynamo failure, discussing brush wear, and outlining further testing and development for the 6-Goshawk-11 model. | 21th Apr 1922 | Box 46 \ 2 Scan201 | |
| Confirmation of a telegram regarding a package dispatched from Croydon due to a suspended service. | 21th Apr 1922 | Box 46 \ 2 Scan202 | |
| Copy of a telegram requesting a new Goshawk steering box be sent by aeroplane to the Paris Depot. | | Box 46 \ 2 Scan203 | |
| From EP to HS (at Laval) discussing braking performance, brake shoe materials, and steering faults on the Goshawk model. | 22th Apr 1922 | Box 46 \ 2 Scan204 | |
| Engine rattles, spring shackling, and shock absorbers on Goshawk-11 vehicles. | 8th May 1922 | Box 46 \ 2 Scan205 | |
| From 'R' discussing component failures and suggesting modifications for Goshawk parts. | 8th May 1922 | Box 46 \ 2 Scan206 | |
| Vehicle component issues and suggestions for improvement, including dynamo speed, steering joints, and electrical equipment inspection. | 22th Apr 1922 | Box 46 \ 2 Scan207 | |
| Cover note circulating an attached report regarding a Goshawk-11 petrol filter. | 22th Apr 1922 | Box 46 \ 2 Scan208 | |
| Petrol filter issues with the 6-Goshawk-11 carburetter, detailing silt build-up and proposed modifications. | 19th Apr 1922 | Box 46 \ 2 Scan209 | |
| The 7-Goshawk-11 Maythorn Saloon detailing findings from a recent test run at Derby. | 24th Apr 1922 | Box 46 \ 2 Scan210 | |
| Faults found on a vehicle, including issues with the windscreen, seats, an oil leak, and bodywork. | 24th Apr 1922 | Box 46 \ 2 Scan211 | |
| Failure of a rear axle on a Goshawk-11 model. | 24th Apr 1922 | Box 46 \ 2 Scan212 | |
| Telegram received by telephone requesting various parts for six Goshawk engines to be sent to Paris. | 19th Sep 1920 | Box 46 \ 2 Scan213 | |
| Copy of a telegram regarding the shipment of a steering box by aeroplane to Paris. | 24th Apr 1922 | Box 46 \ 2 Scan214 | |
| Circulating a letter regarding the Goshawk II carburettor. | 22th Apr 1922 | Box 46 \ 2 Scan215 | |
| Mileage, component failures, and proposed modifications for Goshawk-11 cars. | 21th Apr 1923 | Box 46 \ 2 Scan216 | |
| Faults with a dynamo, loose frame bolts, and a broken spring, along with requests for parts and further testing. | 21th Apr 1923 | Box 46 \ 2 Scan217 | |
| Continuation of a report on a recurring issue with universal joints, noting a previous fix has failed. | 1st Apr 1922 | Box 46 \ 2 Scan218 | |
| Requesting the Goshawk trial car test be extended from 10,000 to 20,000 miles to be completed in France. | 1st Apr 1922 | Box 46 \ 2 Scan219 | |
| Instructing on the continued endurance testing of a Goshawk trial car up to 20,000 miles to assess long-term fatigue. | 27th Apr 1922 | Box 46 \ 2 Scan220 | |
| Post-trial examination and modification plan for the Goshawk car. | 27th Apr 1922 | Box 46 \ 2 Scan221 | |
| Letter discussing the arrival and fitting of parts for car 6GII, and requesting new dynamos. | 27th Apr 1922 | Box 46 \ 2 Scan222 | |
| Cover note from JS to Hs attaching two important memos that were previously sent to Laval. | 28th Apr 1922 | Box 46 \ 2 Scan223 | |
| Instructing the extension of the Goshawk trial car's test mileage to 20,000 miles while it is in France. | 26th Apr 1922 | Box 46 \ 2 Scan224 | |
| Proposal to extend the endurance test of a Goshawk trial car from 10,000 miles to 20,000 miles. | 1st Apr 1922 | Box 46 \ 2 Scan225 | |
| Dismantling the Goshawk-11 car for inspection of worn parts after completing 10,000 miles. | 29th Apr 1922 | Box 46 \ 2 Scan226 | |
| Vehicle failures including a wheel, spring, and oil pressure, with a request for replacement parts. | 30th Apr 1922 | Box 46 \ 2 Scan227 | |
| The re-assembly of the Goshawk trials car for a second 10,000 mile test run. | 1st May 1922 | Box 46 \ 2 Scan228 | |
| Letter detailing vehicle faults including a steering box, a wheel locking rim, and a broken spring. | 1st May 1922 | Box 46 \ 2 Scan229 | |
| Letter discussing a safe arrival in England, a good passage, and a note that vehicle 59II is coming out again. | 2nd May 1922 | Box 46 \ 2 Scan230 | |
| Works order for the despatch of one generator for the Goshawk via aeroplane. | 2nd May 1922 | Box 46 \ 2 Scan231 | |
| Letter concerning vehicle repairs, road testing, and parts supply issues. | 3rd May 1922 | Box 46 \ 2 Scan232 | |
| Requesting a plan and timeline to resolve issues discovered during the 10,000 miles Goshawk test. | 9th May 1922 | Box 46 \ 2 Scan233 | |
| Road test report detailing mileage covered, battery failure issues, and mechanical adjustments to springs and a tappet nut. | 6th May 1922 | Box 46 \ 2 Scan234 | |
| The 10,000-mile Goshawk II test conducted in France. | 10th May 1922 | Box 46 \ 2 Scan235 | |
| Daily mileage logs and on-road repairs for a vehicle, including battery, tappet, and spring issues. | 6th May 1922 | Box 46 \ 2 Scan236 | |
| Test results and issues with the Goshawk Limousine chassis. | 11th May 1922 | Box 46 \ 2 Scan237 | |
| On the policy for the Goshawk following endurance tests, addressing production challenges at Derby by proposing to outsource parts manufacturing. | 11th May 1922 | Box 46 \ 2 Scan238 | |
| List of ten special parts fitted to a specific car. | 11th May 1922 | Box 46 \ 2 Scan239 | |
| Query regarding a report of a sticking No. 9 valve on a Goshawk-11 engine. | 12th May 1922 | Box 46 \ 2 Scan240 | |
| Circulating a letter from J.R. Waldron regarding a 10,000-mile car run in France. | 2nd May 1922 | Box 46 \ 2 Scan241 | |
| Report from France detailing daily mileage, battery problems, a collapsed windscreen, and engine overheating during a road test. | 10th May 1922 | Box 46 \ 2 Scan242 | |
| List of 17 proposed improvements for the 5-GOSHAWK-11 car. | 13th May 1922 | Box 46 \ 2 Scan243 | |
| Continued list of proposed modifications and improvements for a vehicle. | 15th May 1922 | Box 46 \ 2 Scan244 | |
| Letter discussing the potential causes for a valve sticking open, suggesting dirt or high revs as possibilities. | 15th May 1922 | Box 46 \ 2 Scan245 | |
| Mileage and status report for car 6-GOSHAWK-11, noting a broken glass screen. | 16th May 1922 | Box 46 \ 2 Scan246 | |
| 10,000-mile test in France for the 5-Goshawk-11, detailing road conditions and component failures. | 17th May 1922 | Box 46 \ 2 Scan247 | |
| Examination report detailing worn parts on a Goshawk-11 car and comparative mileage data for other Goshawk models. | 1st Mar 1932 | Box 46 \ 2 Scan248 | |
| Wear and performance issues of Goshawk-11 engine components, including the crankshaft, clutch, gearbox, and universal joint. | 1st Mar 1932 | Box 46 \ 2 Scan249 | |
| Wear, breakages, and observations on rear axles, shafts, and springs from various test cars. | 15th Mar 1917 | Box 46 \ 2 Scan250 | |
| Failures and issues with the Goshawk model, focusing on front springs, frame fittings, and steering. | 15th Mar 1917 | Box 46 \ 2 Scan251 | |
| Issues and recommendations for various components including the steering, petrol tank, brakes, and radiator. | 8th May 1922 | Box 46 \ 2 Scan252 | |
| Goshawk 11 windscreen failure and a proposed modification to a two-piece design to prevent vibration. | 8th May 1922 | Box 46 \ 2 Scan253 | |
| Questionnaire regarding performance issues on Goshawk models, including rattles, vibrations, and brakes. | 8th May 1922 | Box 46 \ 2 Scan254 | |
| Adaptation of a C.A.V. generator, Goshawk-11 engine testing, and a works 'lock-out'. | 8th May 1922 | Box 46 \ 2 Scan255 | |
| Complaint of a car rolling on bends and the subsequent fitting of single-stage rear shock absorbers. | 8th May 1922 | Box 46 \ 2 Scan256 | |
| Engine misfiring, dynamo failure, and road performance of car 7-GOSHAWK-11. | 15th May 1922 | Box 46 \ 2 Scan257 | |
| From 'CJ' to 'Hs' suggesting a rigorous road test for the Goshawk II car in France. | 19th May 1922 | Box 46 \ 2 Scan258 | |
| Copy of a letter detailing engine and chassis problems with a Goshawk-11 car. | 20th May 1922 | Box 46 \ 2 Scan259 | |
| Various mechanical issues, including a loose rear axle, bent brake covers, pitted distributor contacts, and a summary of mileage covered. | 15th Mar 1917 | Box 46 \ 2 Scan260 | |
| Technical letter discussing issues with a cylinder head, water boiling, ignition, and the front cross member on the 6-Goshawk-11 model. | 22th May 1922 | Box 46 \ 2 Scan261 | |
| Discussion comparing the steering performance of the Goshawk and 40/50 models during road tests. | 22th May 1922 | Box 46 \ 2 Scan262 | |
| Cracked cylinder head, water boiling issues, and a cracked front cross member on a 6-Goshawk-11 vehicle. | 22th May 1922 | Box 46 \ 2 Scan263 | |
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