| Description | Date | Identifier | |
| Cover memo for a progress report explaining reduced chassis output due to a policy change. | 19th Sep 1940 | Box 133 \ 4 scan0198 | |
| Progress report detailing work completed on the chassis section for various projects. | 19th Sep 1940 | Box 133 \ 4 scan0199 | |
| Progress report on work in hand for the chassis section, detailing project status. | 19th Sep 1940 | Box 133 \ 4 scan0200 | |
| Progress report, explaining that reduced chassis output is due to a change in policy. | 19th Sep 1940 | Box 133 \ 4 scan0201 | |
| Progress report detailing completed work for the Chassis Section. | 19th Sep 1940 | Box 133 \ 4 scan0202 | |
| Progress report detailing work in hand for the Chassis Section. | 16th Sep 1940 | Box 133 \ 4 scan0203 | |
| Outlining the body design programme for the Bentley V, Myth, and 11' 1' wheelbase models. | 25th Sep 1940 | Box 133 \ 4 scan0204 | |
| Note discussing the design of coupe bodies for the 'Myth' model and its impact on tooling and future car ranges. | 25th Sep 1940 | Box 133 \ 4 scan0205 | |
| Cover memo for the bi-weekly Design Office progress report. | 30th Sep 1940 | Box 133 \ 4 scan0206 | |
| Progress report for the Chassis Section, listing work completed and work in hand. | 30th Sep 1940 | Box 133 \ 4 scan0207 | |
| Cover letter for the Design Office's bi-weekly progress report. | 30th Sep 1940 | Box 133 \ 4 scan0208 | |
| Progress report for the Chassis Section detailing work completed and work in hand. | 30th Sep 1940 | Box 133 \ 4 scan0209 | |
| Progress report from the Chassis Section detailing completed work and work in hand. | 14th Oct 1940 | Box 133 \ 4 scan0210 | |
| Chassis section progress report from September 1940, detailing completed work and work in hand. | 14th Oct 1940 | Box 133 \ 4 scan0211 | |
| Progress report for the Chassis Section, detailing work completed and work in hand. | 29th Oct 1940 | Box 133 \ 4 scan0212 | |
| Covering memo for the Design Section's progress report for the two weeks ending October 28th, 1940. | 29th Oct 1940 | Box 133 \ 4 scan0213 | |
| Progress report for the chassis section, detailing work completed and in hand. | 29th Oct 1940 | Box 133 \ 4 scan0214 | |
| Cover memo for the Design Section's bi-weekly progress report. | 11th Nov 1940 | Box 133 \ 4 scan0215 | |
| Progress report for the Chassis Section detailing work completed and in hand. | 11th Nov 1940 | Box 133 \ 4 scan0216 | |
| Cover memo for the Design Section's bi-weekly progress report. | 11th Nov 1940 | Box 133 \ 4 scan0217 | |
| Progress report for the Chassis Section detailing work completed and work in hand. | 11th Nov 1940 | Box 133 \ 4 scan0218 | |
| Redirecting queries concerning chassis design to the newly constituted chassis design section at Clan Exptl. | 28th Nov 1940 | Box 133 \ 4 scan0219 | |
| Chassis section progress report for the two weeks ending December 7th, 1940. | 9th Dec 1940 | Box 133 \ 4 scan0220 | |
| Progress report for the Chassis Section for the two weeks ending December 7th, 1940. | 9th Dec 1940 | Box 133 \ 4 scan0221 | |
| Cover letter for a secret bi-weekly progress report from the Design Office. | 12th Dec 1940 | Box 133 \ 4 scan0222 | |
| Progress report for the Chassis Division, listing work completed and work in hand. | 18th Dec 1940 | Box 133 \ 4 scan0223 | |
| Progress report for the Chassis Section for the two weeks ending December 21st, 1940. | 21th Dec 1940 | Box 133 \ 4 scan0224 | |
| Secret memo transmitting a progress report for the two weeks ending December 23rd, 1940. | 31th Dec 1940 | Box 133 \ 4 scan0225 | |
| Chassis section progress report from December 1940 detailing completed and in-hand projects. | 23th Dec 1940 | Box 133 \ 4 scan0226 | |
| Progress report for the Chassis Section, listing work completed and work in hand. | 6th Jan 1941 | Box 133 \ 4 scan0227 | |
| Cover memo for a bi-weekly progress report from January 1941. | 21th Jan 1941 | Box 133 \ 4 scan0228 | |
| Progress report on the chassis section, detailing completed work and work in progress. | 20th Jan 1941 | Box 133 \ 4 scan0229 | |
| Progress report for the two weeks ending 3rd February, 1941. | 3rd Feb 1941 | Box 133 \ 4 scan0230 | |
| Progress report for the Chassis Section detailing the status of completed work and work in hand. | 3rd Feb 1941 | Box 133 \ 4 scan0231 | |
| Progress report for the Mark 6 A.15 Tank Leyland Meteor engine. | 3rd Feb 1941 | Box 133 \ 4 scan0232 | |
| Progress report from the Gun Installation Section on completed work and work in hand. | 3rd Feb 1941 | Box 133 \ 4 scan0233 | |
| Secret progress report for the design sections for the two weeks ending February 17th, 1941. | 21th Feb 1941 | Box 133 \ 4 scan0234 | |
| Status report from the Chassis Design Section detailing completed work and work in hand. | 21th Feb 1941 | Box 133 \ 4 scan0235 | |
| Progress report for the Chassis Section detailing work completed and work in hand. | 3rd Mar 1941 | Box 133 \ 4 scan0236 | |
| Progress report for the Chassis Section detailing work completed and in hand for various parts and models. | 31th Mar 1941 | Box 133 \ 4 scan0237 | |
| Progress report detailing the status of work in hand for R.A.F. launching gear. | 18th Mar 1941 | Box 133 \ 4 scan0238 | |
| Progress report for the chassis section detailing completed and ongoing work. | 18th Mar 1941 | Box 133 \ 4 scan0239 | |
| Progress report for the chassis section dated April 14th, 1941. | 14th Apr 1941 | Box 133 \ 4 scan0240 | |
| Progress report on chassis development, listing completed and in-hand work items. | 28th Apr 1941 | Box 133 \ 4 scan0241 | |
| Progress report from the Clan Design Section on chassis and gun installation work. | 10th May 1941 | Box 133 \ 4 scan0242 | |
| Progress report on armament installations for aircraft and development work on the Leyland Meteor tank. | 11th May 1941 | Box 133 \ 4 scan0243 | |
| Cover sheet for a weekly progress report. | 16th May 1941 | Box 133 \ 4 scan0244 | |
| Progress report from the Gun Installation Section on completed and in-hand work. | 12th May 1941 | Box 133 \ 4 scan0245 | |
| The ammunition box and feed neck for a .500 A.A. gun in a Spitfire Wing. | 16th May 1941 | Box 133 \ 4 scan0246 | |
| Progress report on chassis development, detailing completed tasks and work in hand. | 16th May 1941 | Box 133 \ 4 scan0247 | |
| Progress report for the Tank Section, listing completed work and work in hand. | 12th May 1941 | Box 133 \ 4 scan0248 | |
| Progress report on tank development schemes, noting the temporary abandonment of A.24 work for A.15 Mark 6. | 28th May 1941 | Box 133 \ 4 scan0249 | |
| Progress report for the Chassis Section, detailing completed and ongoing work. | 28th May 1941 | Box 133 \ 4 scan0250 | |
| Work completion report for the Gun Installation Section on Beaufighter and Spitfire aircraft. | 28th May 1941 | Box 133 \ 4 scan0251 | |
| Progress report for the Tank Section detailing work completed and work in hand. | 28th May 1941 | Box 133 \ 4 scan0252 | |
| Progress report cover letter for the Gun Installation Section stating no work was done due to staggered holidays. | 11th Jun 1941 | Box 133 \ 4 scan0253 | |
| Progress report detailing work in hand on a chassis. | 11th Jun 1941 | Box 133 \ 4 scan0254 | |
| Progress report on R.A.F. launching gear, specifically the layout on a 5 ton 4 wheel trailer chassis. | 11th Jun 1941 | Box 133 \ 4 scan0255 | |
| Progress report for the Tank Section, detailing completed work and work currently in hand. | 9th Jun 1941 | Box 133 \ 4 scan0256 | |
| Cover sheet for a secret progress report for the two weeks ending June 23rd, 1941. | 30th Jun 1941 | Box 133 \ 4 scan0257 | |
| Progress report on tank sections, detailing work completed and work in hand. | 30th Jun 1941 | Box 133 \ 4 scan0258 | |
| Progress report for the Chassis Section, listing completed work and work in hand. | 30th Jun 1941 | Box 133 \ 4 scan0259 | |
| Secret progress report for the R.A.F. Launching Gear Section. | 23th Jun 1941 | Box 133 \ 4 scan0260 | |
| Cover memo for a bi-weekly progress report. | 16th Jul 1941 | Box 133 \ 4 scan0261 | |
| Progress report for the Tank Section detailing completed work and work in hand. | 7th Jul 1941 | Box 133 \ 4 scan0262 | |
| Progress report from the Chassis Section detailing completed and ongoing work. | 16th Jul 1941 | Box 133 \ 4 scan0263 | |
| Progress report for the R.A.F. Launching Gear Section detailing work in hand. | 16th Jul 1941 | Box 133 \ 4 scan0264 | |
| Cover letter for a Design Progress Report, noting an office move caused a slight interruption to progress. | 28th Jul 1941 | Box 133 \ 4 scan0265 | |
| Progress report on tank development, listing completed tasks and work in progress. | 21th Jul 1941 | Box 133 \ 4 scan0266 | |
| Chassis progress report detailing completed work and work in hand. | 28th Jul 1941 | Box 133 \ 4 scan0267 | |
| Progress report on the development of a winch, detailing completed work and work in hand. | 28th Jul 1941 | Box 133 \ 4 scan0268 | |
| Attaching design progress reports for two separate two-week periods. | 16th Sep 1941 | Box 133 \ 4 scan0269 | |
| Progress report from August 4th, 1941, detailing completed work and work in hand for a tank project. | 16th Sep 1941 | Box 133 \ 4 scan0270 | |
| Tank progress report outlining work completed and in hand for various Mark versions. | 18th Aug 1941 | Box 133 \ 4 scan0271 | |
| Chassis progress reports for August 4th and August 18th, 1941. | 16th Sep 1941 | Box 133 \ 4 scan0272 | |
| Winch progress report detailing completed work and work in hand for specific components. | 16th Sep 1941 | Box 133 \ 4 scan0273 | |
| Cover memo for a design progress report for the three weeks ending September 8th, 1941. | 17th Sep 1941 | Box 133 \ 4 scan0274 | |
| Progress report on tank components, detailing completed work and work in hand. | 17th Sep 1941 | Box 133 \ 4 scan0275 | |
| List of modifications and component installations for the Mark VII model. | 17th Sep 1941 | Box 133 \ 4 scan0276 | |
| Chassis progress report from September 1941, listing work completed and work in hand. | 17th Sep 1941 | Box 133 \ 4 scan0277 | |
| Progress report on a winch, detailing completed work and schemes that have been held up. | 17th Sep 1941 | Box 133 \ 4 scan0278 | |
| Cover note for a design progress report for the three weeks ending 29th September 1941. | 1st Oct 1941 | Box 133 \ 4 scan0279 | |
| Progress report on tanks detailing completed work items. | 29th Sep 1941 | Box 133 \ 4 scan0280 | |
| Progress report listing various engineering tasks, their status, and associated vehicle models. | 1st Oct 1941 | Box 133 \ 4 scan0281 | |
| Chassis progress report detailing completed work and work in hand. | 29th Sep 1941 | Box 133 \ 4 scan0282 | |
| Progress report from the Gun Installation Section on automatic sight adjustments for the Bofors Gun. | 29th Sep 1941 | Box 133 \ 4 scan0283 | |
| Chassis progress report for the two weeks ending January 12th, 1942. | 14th Jan 1942 | Box 133 \ 4 scan0284 | |
| Chassis progress report for the two weeks ending January 26th, 1942. | 26th Jan 1942 | Box 133 \ 4 scan0285 | |
| Chassis progress report stating that no work was done for the two weeks ending February 9th, 1942. | 10th Feb 1942 | Box 133 \ 4 scan0286 | |
| Chassis progress report for the two weeks ending in late February 1942. | 23th Feb 1942 | Box 133 \ 4 scan0287 | |
| Chassis progress report for the two weeks ending March 9th, 1942. | 9th Mar 1942 | Box 133 \ 4 scan0288 | |
| Bi-weekly progress report for the Chassis Section. | 25th Mar 1942 | Box 133 \ 4 scan0289 | |
| Chassis section work report for the two weeks ending 20th April 1942. | 20th Apr 1942 | Box 133 \ 4 scan0290 | |
| Progress report confirming the completion of modifications to the first motion shaft and the anti-roll rod in the chassis section. | 18th Sep 1942 | Box 133 \ 4 scan0291 | |
| Progress report on mileage and reliability testing for various chassis and engine parts. | 24th Nov 1942 | Box 133 \ 4 scan0292 | |
| Faults and repairs for chassis 30.G.VII and 3.B.50 at various mileages. | 11th Nov 1942 | Box 133 \ 4 scan0293 | |
| Fault report detailing component failures and ongoing issues at various mileages. | 24th Nov 1942 | Box 133 \ 4 scan0294 | |
| Technical report on vehicle component issues and resolutions, including mileage data. | 24th Nov 1942 | Box 133 \ 4 scan0295 | |
| Progress report on the performance and wear of various vehicle components including axles, cylinder bores, and engines. | 24th Nov 1942 | Box 133 \ 4 scan0296 | |
| Major body troubles experienced over three years, including water leaks, rattling roofs, and exhaust heat issues. | 24th Nov 1942 | Box 133 \ 4 scan0297 | |
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