| Description | Date | Identifier | |
| Advisory memo regarding ordering Castraulic fluid for the shock damper control and a status update on car 19-EX. | 14th Jan 1933 | Box 11 \ 4 04-page162 | |
| Car's performance during demonstration runs, detailing engine start-up and tappet clearances. | 14th Jan 1933 | Box 11 \ 4 04-page163 | |
| Porous weld on a starter cast boss and the enclosure of time and expense sheets. | 16th Nov 1933 | Box 11 \ 4 04-page164 | |
| Car's performance during demonstrations, detailing a gear lever rattle and a 'luffing' issue. | 16th Nov 1933 | Box 11 \ 4 04-page165 | |
| Vehicle water loss following high-speed runs. | 18th Jan 1933 | Box 11 \ 4 04-page166 | |
| Sheared bolt on a spare wheel carrier and cold weather starting performance for car 19EX. | 18th Jan 1933 | Box 11 \ 4 04-page167 | |
| Adjustments to a car's carburation and shock dampers from Paris. | 19th Jan 1933 | Box 11 \ 4 04-page168 | |
| Letter from Paris discussing satisfactory car performance, demonstration delays due to icy roads, and requesting instructions. | 19th Jan 1933 | Box 11 \ 4 04-page169 | |
| Car's performance, gauge fitting, and handling tests, written from Paris. | 21th Jan 1933 | Box 11 \ 4 04-page170 | |
| Letter on hotel-headed paper confirming receipt of Castraulic fluid and the enclosure of time sheets. | 23th Nov 1932 | Box 11 \ 4 04-page171 | |
| Car's road test performance, detailing springing, dampers, and steering. | 23th Nov 1932 | Box 11 \ 4 04-page172 | |
| Pressure gauge readings, mileage, tappet adjustments, and cold start performance. | 24th Jan 1933 | Box 11 \ 4 04-page173 | |
| Letter discussing issues with side spare wheel carrier support bolts and shock dampers on a 19-EX model. | 24th Jan 1933 | Box 11 \ 4 04-page174 | |
| Request for an opinion on automatic shock dampers from a Mr. Slater. | 24th Jan 1933 | Box 11 \ 4 04-page175 | |
| Correspondence from Paris detailing car performance, cold starting, and proposed adjustments. | 26th Jan 1933 | Box 11 \ 4 04-page176 | |
| Letter discussing car suspension settings, dampers, and road handling characteristics. | 26th Jan 1933 | Box 11 \ 4 04-page177 | |
| Letter discussing tyre fouling on full lock and issues with bolts on a spare wheel carrier, including a small diagram. | 28th Jan 1933 | Box 11 \ 4 04-page178 | |
| Letter on hotel letterhead reporting on a car's general running, cold starting, and shock damper performance. | 28th Jan 1933 | Box 11 \ 4 04-page179 | |
| Report from a road test in France detailing performance issues in snowy conditions. | 29th Jan 1933 | Box 11 \ 4 04-page180 | |
| Vehicle performance and faults under various headings. | 30th Jan 1933 | Box 11 \ 4 04-page181 | |
| Car's running performance, starting, and suspension adjustments. | 30th Jan 1933 | Box 11 \ 4 04-page182 | |
| Vehicle performance report focusing on steering and suspension, written on hotel letterhead. | 30th Jan 1933 | Box 11 \ 4 04-page183 | |
| The condition of dampers and the control system, with travel arrangements. | 30th Jan 1933 | Box 11 \ 4 04-page184 | |
| Test drive for Mr. Fairey in a Phantom car, chassis 19-EX. | 30th Jan 1933 | Box 11 \ 4 04-page185 | |
| Arranging for a car to be tried upon its return from France. | 30th Jan 1933 | Box 11 \ 4 04-page186 | |
| Instructing the Stores to dispatch two radiator support mouldings to G.W. Hancock in France via air mail. | 31th Jan 1933 | Box 11 \ 4 04-page187 | |
| Letter discussing radiator support mouldings, a 50 m.p.h. 'boom' on the Peregrine model, and requesting oil temperature experiments. | 31th Jan 1933 | Box 11 \ 4 04-page188 | |
| Ideas for improving engine oil cooling and addressing alarming petrol consumption. | 31th Jan 1933 | Box 11 \ 4 04-page189 | |
| Confidential test report on the performance of Chassis I9 EX with new self-adjusting shock dampers. | 1st Feb 1933 | Box 11 \ 4 04-page190 | |
| Test driver's report on a car's handling, braking, and performance at high speeds, including comparisons to competitors. | 1st Feb 1933 | Box 11 \ 4 04-page191 | |
| Letter to G.W. Hancock in France requesting a full report on the running of the 19-EX experimental car. | 2nd Feb 1933 | Box 11 \ 4 04-page192 | |
| Test report on car 19 EX detailing issues with hard riding, poor brakes, and plans for further testing. | 2nd Feb 1933 | Box 11 \ 4 04-page193 | |
| Carburettor, brake servo, and hydraulic damper issues on car 19 EX. | 3rd Feb 1933 | Box 11 \ 4 04-page194 | |
| Spare wheel bracket bolt failure and suspension queries on vehicle 19-EX. | 3rd Feb 1933 | Box 11 \ 4 04-page195 | |
| From G.W.S. concerning brake and servo issues on the 19 EX model, including lubrication adjustments and damper testing. | 1st Jan 1933 | Box 11 \ 4 04-page196 | |
| Field report detailing vehicle mileage, damper system performance, carburation issues, and valve clearance measurements. | 4th Feb 1933 | Box 11 \ 4 04-page197 | |
| Performance and issue report on a vehicle, covering the gearbox, brakes, dampers, and steering. | 4th Feb 1933 | Box 11 \ 4 04-page198 | |
| Test report from Chateauroux, France, detailing issues with the car's progressive dampers, suspension, and steering. | 4th Feb 1933 | Box 11 \ 4 04-page199 | |
| Incorrect size of a bijur fitted to Woodhead springs. | 6th Feb 1933 | Box 11 \ 4 04-page200 | |
| Sticking exhaust valves on car 19-EX and the correct oil level for a Peregrine gearbox. | 6th Feb 1933 | Box 11 \ 4 04-page201 | |
| Extract from a GWH report concerning exhaust valve performance on model 19-EX. | 8th Feb 1933 | Box 11 \ 4 04-page202 | |
| Examination report on the hydraulic dampers for vehicle 19 EX, detailing oil levels, leaks, and repairs. | 8th Feb 1933 | Box 11 \ 4 04-page203 | |
| Progressive loads on front dampers, including a table of measurements and notes on a sticking valve. | 9th Feb 1933 | Box 11 \ 4 04-page204 | |
| Broken bolts on side spare wheel carrier supports and wear in the axle control on Peregrine III. | 10th Feb 1933 | Box 11 \ 4 04-page205 | |
| Correspondence regarding a noise issue, suggesting specially made covers and new ball pads to prevent dirt contamination. | 10th Feb 1933 | Box 11 \ 4 04-page206 | |
| The inability to obtain sufficient load on rear dampers, investigating collapsed bellows and valve spring compression. | 10th Feb 1933 | Box 11 \ 4 04-page207 | |
| Road test results for a car's dampers, springs, and riding quality. | 11th Feb 1933 | Box 11 \ 4 04-page208 | |
| Hand-drawn diagrams and notes for a rear damper assembly. | 12th Feb 1933 | Box 11 \ 4 04-page209 | |
| Extract from a G.W.H. report concerning the resumption of mileage testing on car 19-EX to find failures. | 12th Feb 1933 | Box 11 \ 4 04-page210 | |
| Alterations to rear dampers, and repairs to a water pump and an oil leak from a damper stud. | 14th Feb 1933 | Box 11 \ 4 04-page211 | |
| Technical letter discussing the performance, dimensions, and issues with 19-EX governor shock dampers. | 14th Feb 1933 | Box 11 \ 4 04-page212 | |
| Follow-up letter discussing contradictory reports on shock damper performance and requesting further comparisons. | 14th Feb 1933 | Box 11 \ 4 04-page213 | |
| Expectations for automatic dampers and the challenges associated with using lower rating springs. | 14th Feb 1933 | Box 11 \ 4 04-page214 | |
| Note from GWH to Mr. Rope confirming receipt of package RR 9366. | 15th Feb 1933 | Box 11 \ 4 04-page215 | |
| Delay in fitting bolts to the spare wheel carriers on chassis 19 EX. | 15th Feb 1933 | Box 11 \ 4 04-page216 | |
| Requesting an update on the status and test reports for Chassis 19-EX. | 15th Feb 1933 | Box 11 \ 4 04-page217 | |
| Reports and shock absorbers for the 19-EX car. | 16th Feb 1933 | Box 11 \ 4 04-page218 | |
| Daily report for a 10,000-mile test on a Phantom, chassis 19-EX. | 5th Feb 1933 | Box 11 \ 4 04-page219 | |
| Vehicle test report detailing the performance and issues of various mechanical systems. | 6th Feb 1933 | Box 11 \ 4 04-page220 | |
| Daily report for a 10,000-mile test car, a Phantom model with chassis number 19-EX. | 6th Feb 1933 | Box 11 \ 4 04-page221 | |
| Road test report detailing vehicle performance and faults across various components. | 7th Feb 1933 | Box 11 \ 4 04-page222 | |
| Daily report on a 10,000 miles test for a Phantom, chassis number 19-EX. | 7th Feb 1933 | Box 11 \ 4 04-page223 | |
| Performance report on various vehicle systems including the engine, gearbox, steering, and suspension. | 12th Feb 1933 | Box 11 \ 4 04-page224 | |
| Daily report on a 10,000-mile test car for a Phantom model. | 12th Feb 1933 | Box 11 \ 4 04-page225 | |
| Test report on engine, springing, and brake performance. | 19th Feb 1933 | Box 11 \ 4 04-page226 | |
| Test report on progressive dampers fitted to vehicle 19 EX. | 19th Feb 1933 | Box 11 \ 4 04-page227 | |
| Test report on the performance of progressive dampers fitted to car 19 EX. | 19th Feb 1933 | Box 11 \ 4 04-page228 | |
| Car 19-EX being badly smashed in an accident in France and arrangements for its return. | 20th Feb 1933 | Box 11 \ 4 04-page229 | |
| Aftermath of an accident involving experimental car 19-EX and the allocation of a replacement vehicle. | 21th Feb 1933 | Box 11 \ 4 04-page230 | |
| Confusing reports on the performance of controllable shock dampers. | 22th Feb 1933 | Box 11 \ 4 04-page231 | |
| Confirming receipt of a telegram and arranging the transport of car 19-EX to Derby. | 22th Feb 1933 | Box 11 \ 4 04-page232 | |
| Development, testing, and implementation of controllable shock dampers. | 24th Feb 1933 | Box 11 \ 4 04-page233 | |
| 'write off' of car 19-EX, the status of other experimental cars, and the urgent need for a replacement test vehicle. | 24th Feb 1933 | Box 11 \ 4 04-page234 | |
| The development, testing, and production of controllable shock dampers. | 27th Feb 1933 | Box 11 \ 4 04-page235 | |
| Replacement of a car after an accident and an update on the testing of a new trials car. | 28th Feb 1933 | Box 11 \ 4 04-page236 | |
| Transfer and reclassification of experimental car 19-EX (85-JS). | 3rd Mar 1933 | Box 11 \ 4 04-page237 | |
| Cover page for a report on a 10,000-mile test in France for chassis 28-EX. | 1st Mar 1934 | Box 11 \ 5 05-page001 | |
| Requesting a list of new features for the 10,000 miles test car 28-EX. | 14th Mar 1934 | Box 11 \ 5 05-page002 | |
| Confirming the receipt of Castrol oil and detailing a visit from an Essolube oil representative. | 31th Mar 1934 | Box 11 \ 5 05-page003 | |
| Letter to G.W. Hancock in France discussing issues with tyres, noisy tappets, an Autokleen Filter, and oil temperature. | 7th Apr 1934 | Box 11 \ 5 05-page004 | |
| The cause of propeller shaft universal joints fouling and leaking on the 28-EX model. | 5th Apr 1934 | Box 11 \ 5 05-page005 | |
| Responding to a fault report concerning a propellor shaft on a 28-EX model. | 10th Apr 1934 | Box 11 \ 5 05-page006 | |
| Design critique of a hydraulic damper control connection, noting a fault causing oil loss and suggesting a design improvement. | 10th Apr 1934 | Box 11 \ 5 05-page007 | |
| With a date and a name. | 10th Apr 1934 | Box 11 \ 5 05-page008 | |
| Letter detailing the standardisation of parts on model 28-EX for the 'S' and 'T' series. | 10th Apr 1934 | Box 11 \ 5 05-page009 | |
| Daily report for a 10,000-mile test car. | 5th Apr 1934 | Box 11 \ 5 05-page010 | |
| Daily report on a 10,000-mile test car, detailing system performance and faults. | 4th Apr 1934 | Box 11 \ 5 05-page011 | |
| Daily report for a 10,000 miles test car, detailing mileage, consumption, temperatures, and driver information. | 4th Apr 1934 | Box 11 \ 5 05-page012 | |
| Daily report on a 10,000-mile vehicle test, detailing performance and issues. | 10th Apr 1934 | Box 11 \ 5 05-page013 | |
| Telegram received by telephone concerning a broken conrod oil tank sent to Paris for replacement. | 10th Apr 1934 | Box 11 \ 5 05-page014 | |
| Report investigating the causes of universal joint fouling and the effects of dampers. | 12th Apr 1934 | Box 11 \ 5 05-page015 | |
| Suspension performance issues, particularly regarding elbows on the dampers and joint manufacturing. | 11th Apr 1934 | Box 11 \ 5 05-page016 | |
| The fitting of new oil tubes to three connecting rods. | 11th Apr 1934 | Box 11 \ 5 05-page017 | |
| Engine issues including broken conrod oil pipes, silent tappets, and valve spring problems. | 10th Apr 1934 | Box 11 \ 5 05-page018 | |
| Daily report for a 10,000-mile test car. | 6th Apr 1934 | Box 11 \ 5 05-page019 | |
| Daily report from a 10,000-mile test car. | 13th Apr 1934 | Box 11 \ 5 05-page020 | |
| Letter discussing engine troubles including pistons, tappets, a new American anti-surging device, and a carburetter for the 20/25 model. | 13th Apr 1934 | Box 11 \ 5 05-page021 | |
| The findings after dismantling an engine, detailing damage to connecting rods and pistons. | 19th Apr 1934 | Box 11 \ 5 05-page022 | |
| Sketch illustrating an issue with wiring coming adrift and a proposed solution using an additional clip. | 7th Apr 1934 | Box 11 \ 5 05-page023 | |
| Requesting two new tyres and reporting an alarming oil consumption issue. | 7th Apr 1934 | Box 11 \ 5 05-page024 | |
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