| Description | Date | Identifier | |
| List of specifications for various electrical components and discussion points regarding chassis supply and demonstration cars. | 31th May 1935 | Box 30 \ 1 Scan187 | |
| Decisions and requirements for specific car features and models like Spectre. | 31th May 1935 | Box 30 \ 1 Scan188 | |
| Material ordering specifications for the 20 Spectre Chassis. | 6th Jun 1935 | Box 30 \ 1 Scan189 | |
| Meeting notes memo requesting status updates on Spectre, Bentley, and 20/25 HP car projects. | 18th Jun 1935 | Box 30 \ 1 Scan190 | |
| Note concerning the Easier Change gearbox for the 20/25 HP model. | 18th Jun 1935 | Box 30 \ 1 Scan191 | |
| Replying to the position of various items for a conference, covering 'Spectre' and 'Bentley' projects. | 20th Jun 1935 | Box 30 \ 1 Scan192 | |
| Bentley matters, detailing torsion tests, bearing tests, and axle specifications. | 20th Jun 1935 | Box 30 \ 1 Scan193 | |
| Meeting notes from June 1935 discussing chassis development and performance comparisons of various car models. | 26th Jun 1935 | Box 30 \ 1 Scan194 | |
| The development and testing issues of the Spectre car model, including notes on its body, ventilation and steering. | 27th Jun 1935 | Box 30 \ 1 Scan195 | |
| Meeting notes discussing production and standardisation for Spectre and Bentley models. | 27th Jun 1935 | Box 30 \ 1 Scan196 | |
| Bentley technical issues including broken stub axles, a big bore engine, and coachwork. | 27th Jun 1935 | Box 30 \ 1 Scan197 | |
| Various matters concerning Bentley cars, including stiff steering and petrol filters. | 27th Jun 1935 | Box 30 \ 1 Scan198 | |
| Ongoing issues and developments for the 20/25 HP model, including lever rattle, carburettor, and petrol consumption. | 27th Aug 1935 | Box 30 \ 1 Scan199 | |
| Meeting notes from June 1935 discussing the chassis performance of the Spectre model compared to the Phantom II and Cadillac. | 7th Aug 1935 | Box 30 \ 1 Scan200 | |
| The continued development and testing of the Spectre model, discussing various issues and potential improvements. | 27th Jun 1935 | Box 30 \ 1 Scan201 | |
| Meeting notes discussing the Spectre and Bentley models, focusing on part standardisation and production. | 27th Jun 1935 | Box 30 \ 1 Scan202 | |
| Meeting notes discussing Bentley stub axles, a big bore engine, and Van Vooren coachwork. | 7th Aug 1935 | Box 30 \ 1 Scan203 | |
| Various Bentley and 20/25 HP model issues, including steering, filters, and bearings. | 27th Jun 1935 | Box 30 \ 1 Scan204 | |
| Issues and proposed remedies for the 20/25 HP model, including carburettor and consumption problems. | 27th Jun 1935 | Box 30 \ 1 Scan205 | |
| Requesting an update on outstanding matters from a chassis meeting concerning Spectre, Bentley, and 20/25 HP models. | 27th Jun 1935 | Box 30 \ 1 Scan206 | |
| Meeting notes concerning the development and progress of the 'Spectre' model as a Town Carriage. | 9th Jul 1935 | Box 30 \ 1 Scan207 | |
| Exhaust valve failure, radiator tests, steering problems, and development for Bentley components. | 9th Jul 1935 | Box 30 \ 1 Scan208 | |
| Progress report on engine tests, bearings, body fitting, and a gearbox rattle issue. | 9th Jul 1935 | Box 30 \ 1 Scan209 | |
| Cancelling a previous instruction and reducing an order for Textolite Gears from 50 sets to 12. | 13th Jul 1935 | Box 30 \ 1 Scan210 | |
| Cancelling a previous instruction and reducing an order for Textolite gears from 50 to 12 sets. | 13th Jul 1935 | Box 30 \ 1 Scan211 | |
| Meeting notes from Derby discussing chassis issues for the Spectre model. | 15th Jul 1935 | Box 30 \ 1 Scan212 | |
| Continued report on vehicle faults, modifications, and production status. | 15th Jul 1935 | Box 30 \ 1 Scan213 | |
| Bentley vehicle development, discussing gears, axles, engine tests, bodywork, and springing. | 15th Jul 1935 | Box 30 \ 1 Scan214 | |
| On development progress for Bentley, Rolls-Royce, and Wraith models. | 15th Jul 1935 | Box 30 \ 1 Scan215 | |
| Meeting notes discussing a new bearing metal and remedies for various chassis faults. | 12th Sep 1925 | Box 30 \ 1 Scan216 | |
| Technical report on issues and improvements for the SPECTRE model, covering carburettors, push rods, leaks, and drivetrain. | 2nd Aug 1925 | Box 30 \ 1 Scan217 | |
| Report addressing various criticisms and faults found on the Spectre model. | 19th Sep 1935 | Box 30 \ 1 Scan218 | |
| Meeting notes discussing production planning, design challenges, and sales strategy for the Spectre model. | 12th Sep 1938 | Box 30 \ 1 Scan219 | |
| Progress report on Bentley development, covering valves, gears, axles, engines, bodywork, and future policy. | 12th Aug 1938 | Box 30 \ 1 Scan220 | |
| Meeting notes discussing Bentley development, engine proposals, testing, and rectifying known issues. | 12th Sep 1935 | Box 30 \ 1 Scan221 | |
| Meeting notes discussing component testing, design improvements, and owner criticisms for various car models. | 12th Aug 1938 | Box 30 \ 1 Scan222 | |
| The scheme for silent packing on an engine. | 12th Sep 1935 | Box 30 \ 1 Scan223 | |
| Notes from a conference with 'Sg' detailing a 14-point action list for various car components and models. | 13th Sep 1935 | Box 30 \ 1 Scan224 | |
| Arranging a technical meeting regarding the Spectre car. | 19th Sep 1935 | Box 30 \ 1 Scan225 | |
| Notes from a meeting in Derby listing action points and issues regarding Spectre and Bentley models. | 22th Oct 1935 | Box 30 \ 1 Scan226 | |
| Contents page for a report on Bentley and 20/25 HP models. | 22th Oct 1935 | Box 30 \ 1 Scan227 | |
| Agenda for a fortnightly discussion between the Experimental, Design, and Drawing departments. | 23th Oct 1935 | Box 30 \ 1 Scan228 | |
| Progress report on bearing metal adhesion, Spectre engine issues, and carburetter development. | 26th Oct 1935 | Box 30 \ 1 Scan229 | |
| Status report on various vehicle faults and the progress of their investigation or resolution. | 26th Oct 1935 | Box 30 \ 1 Scan230 | |
| Progress report on various engine components, body testing, and Bentley supercharger development. | 26th Oct 1935 | Box 30 \ 1 Scan231 | |
| Progress report on experimental engines, springing, and axle development. | 26th Oct 1935 | Box 30 \ 1 Scan232 | |
| Modifying the exhaust snout on GSF-4 to address an 'Exhaust Boom' complaint and standardise the part. | 31th Oct 1935 | Box 30 \ 1 Scan233 | |
| Notes from a meeting held at Derby regarding development work and issues on the Phantom III chassis. | 31th Oct 1935 | Box 30 \ 1 Scan234 | |
| Vehicle issues including carburettor, transmission, synchro-mesh, tyre noise, and clutch modifications. | 1st Oct 1935 | Box 30 \ 1 Scan235 | |
| Progress report on issues and developments for various vehicle components. | 1st Oct 1935 | Box 30 \ 1 Scan236 | |
| Meeting minutes discussing trials cars, experimental chassis, production schedules, and a water leakage issue. | 21th Oct 1935 | Box 30 \ 1 Scan237 | |
| The development of the Bentley Big Bore Engine, future programmes, and body considerations. | 21th Oct 1935 | Box 30 \ 1 Scan238 | |
| Development updates for the 20/25 HP and Wraith models, including engine, chassis, and steering modifications. | 21th Oct 1935 | Box 30 \ 1 Scan239 | |
| Meeting notes on Wraith engine development, coachwork, shock absorber, and reverse gear controls. | 31th Oct 1935 | Box 30 \ 1 Scan240 | |
| From Wor. arranging a preliminary meeting to discuss chassis weight and cost. | 18th Nov 1935 | Box 30 \ 1 Scan241 | |
| Confirming a meeting to discuss reducing the cost and weight of the chassis. | 18th Nov 1935 | Box 30 \ 1 Scan242 | |
| Notes of a conference regarding chassis costs and methods for reduction. | 21th Nov 1938 | Box 30 \ 1 Scan243 | |
| Meeting notes discussing cost reduction, sub-contracting, and design modifications for various car components. | 21th Nov 1938 | Box 30 \ 1 Scan244 | |
| Meeting memo discussing carburettor schemes, suspension for the 20/25 model, torsion bar springs, and the development of the Wraith. | 21th Nov 1938 | Box 30 \ 1 Scan245 | |
| The programme for ordering material and producing experimental, demonstration, and show cars. | 21th Nov 1930 | Box 30 \ 1 Scan246 | |
| Clarifying what was said about bought-out units during a Chassis Conference on costs. | 23th Nov 1935 | Box 30 \ 1 Scan247 | |
| Invitation to a conference to discuss the use of fixtures and equipment in the Works. | 26th Nov 1935 | Box 30 \ 1 Scan248 | |
| Notes from a meeting held at Derby requesting updates on various car models and components. | 27th Nov 1935 | Box 30 \ 1 Scan249 | |
| Minutes of a meeting held at Derby listing action items for a future visit. | 27th Nov 1935 | Box 30 \ 1 Scan250 | |
| Announcing a recurring Chassis Design meeting. | 29th Nov 1935 | Box 30 \ 1 Scan251 | |
| Technical update on development issues and improvements for the Phantom III. | 30th Nov 1935 | Box 30 \ 1 Scan252 | |
| Progress report on issues and developments with vehicle steering, brakes, fan, jacks, carburetter, shock dampers, and valve gear. | 30th Nov 1935 | Box 30 \ 1 Scan253 | |
| Progress on experimental cars, Bentley engines, and improvements to the 20/25 HP model. | 30th Nov 1935 | Box 30 \ 1 Scan254 | |
| Technical memo discussing updates on shock absorbers, axles, starter motors, and coachwork for various models. | 30th Nov 1935 | Box 30 \ 1 Scan255 | |
| Price quotation letter from The Zenith Carburetter Co Ltd. for Twin Stromberg Carburetters. | 27th Nov 1935 | Box 30 \ 1 Scan256 | |
| Agenda for discussion on the Phantom III position regarding engines, oil temperature regulators, and hydraulic valve gear. | 9th Dec 1935 | Box 30 \ 1 Scan257 | |
| Modifications and test results for various engine components, including springs, valves, fans, and ignition systems. | 7th Dec 1935 | Box 30 \ 1 Scan258 | |
| Or meeting agenda listing discussion points about various vehicle components. | 5th Dec 1935 | Box 30 \ 1 Scan259 | |
| Requesting the urgent implementation of new short skirted sparking plug terminals for the Phantom III chassis following an engine fire. | 5th Dec 1935 | Box 30 \ 1 Scan260 | |
| Meeting notes regarding the Phantom III chassis, specifically the testing and production of Stromberg carburettors. | 5th Dec 1935 | Box 30 \ 1 Scan261 | |
| Tests and issues regarding piston knocks, drive, gearbox, tyres, clutch, steering, and brakes. | 1st Dec 1935 | Box 30 \ 1 Scan262 | |
| Ongoing discussions and decisions regarding vehicle components such as brakes, engine, alignment, and autolock. | 1st Dec 1935 | Box 30 \ 1 Scan263 | |
| Issues with hydraulic tappets, fuel supply, chassis production, and specifications for the Wraith II model. | 1st Dec 1935 | Box 30 \ 1 Scan264 | |
| Design considerations for the Wraith II and the testing schedule for the Big Bore 20/25 engine. | 1st Dec 1935 | Box 30 \ 1 Scan265 | |
| The Big Bore 20/25 model, a reverse control modification, and the future programme for the Bentley Big Bore engine. | 1st Dec 1935 | Box 30 \ 1 Scan266 | |
| Meeting notes from Derby regarding the Phantom III chassis, focusing on carburettor testing and selection. | 5th Dec 1935 | Box 30 \ 1 Scan267 | |
| Various mechanical issues and tests for vehicle components such as pistons, drive, gearbox, tyres, clutch, steering, and brakes. | 1st Dec 1925 | Box 30 \ 1 Scan268 | |
| Meeting report discussing issues and improvements for brakes, jacks, engine components, and alignment. | 1st Dec 1935 | Box 30 \ 1 Scan269 | |
| Meeting notes discussing hydraulic tappets, petrol supply, chassis production, and Wraith II specifications. | 1st Dec 1935 | Box 30 \ 1 Scan270 | |
| The Wraith II model, body space, engine options, and the development of the Big Bore 20/25. | 1st Dec 1935 | Box 30 \ 1 Scan271 | |
| Status report on the Big Bore 20/25 chassis, a reverse control modification, and the future programme for the Bentley Big Bore engine and supercharger. | 18th Mar 1935 | Box 30 \ 1 Scan272 | |
| Agenda for a discussion on the Phantom III model, covering engine components like pistons, cylinder liners, oil regulators, and valve gear. | 9th Dec 1935 | Box 30 \ 1 Scan273 | |
| Report page detailing required modifications and discussion points for various engine components after a 10,000-mile test. | 7th Dec 1935 | Box 30 \ 1 Scan274 | |
| List of discussion points regarding various vehicle components, systems and models. | 12th Dec 1935 | Box 30 \ 1 Scan275 | |
| Minutes of a meeting discussing the carburetter and induction system for the large bore 20/25 engine. | 12th Dec 1935 | Box 30 \ 1 Scan276 | |
| Note from the Design department regarding the testing of a proposed turbulent cylinder head for large bore experimental engines. | 12th Dec 1935 | Box 30 \ 1 Scan277 | |
| Minutes of a discussion between the Experimental Dept, Design Dept, and Drawing Office regarding the Phantom III engine. | 12th Dec 1935 | Box 30 \ 1 Scan278 | |
| Summary of decisions and actions regarding engine component development. | 12th Nov 1935 | Box 30 \ 1 Scan279 | |
| Meeting notes discussing decisions on carburettors, clutches, gearboxes, bonnets, and steering for various models. | 12th Nov 1935 | Box 30 \ 1 Scan280 | |
| Design modifications for bearings, a Phantom III Rear Stabiliser, and undershields. | 17th Dec 1935 | Box 30 \ 1 Scan281 | |
| Private memorandum attaching detailed points from a discussion, requesting prompt action. | 17th Dec 1935 | Box 30 \ 1 Scan282 | |
| The development and production issues of the 20/25 big bore engine, new rear axle, and clutch. | 17th Dec 1935 | Box 30 \ 1 Scan283 | |
| Meeting minutes discussing supply and development of carburetter, exhaust, and pump components. | 17th Dec 1935 | Box 30 \ 1 Scan284 | |
| Listing technical points for discussion regarding various vehicle components and issues. | 30th Dec 1935 | Box 30 \ 1 Scan285 | |
| Agenda for a conference at Derby concerning chassis development. | 7th Jan 1932 | Box 30 \ 2 Scan001 | |
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