| Description | Date | Identifier | |
| Sketch illustrating the modification of funnels, comparing a new design with an old design. | 4th Mar 1938 | Box 99 \ 2 scan0149 | |
| Graph from a rubber bearing test, plotting load versus deflection for longitudinal spindle movement under end thrust. | 4th Mar 1938 | Box 99 \ 2 scan0150 | |
| Photograph of two cylindrical metal and rubber bushings. | 4th Mar 1938 | Box 99 \ 2 scan0151 | |
| Note comparing Yoke Bearings (Inlox vs. Silentbloc) after 1420 hours of operation. | 4th Mar 1938 | Box 99 \ 2 scan0152 | |
| Photograph showing two cylindrical metal and rubber bushings. | 4th Mar 1938 | Box 99 \ 2 scan0153 | |
| Hower lever bearings. | 4th Mar 1938 | Box 99 \ 2 scan0154 | |
| Photograph of a two-piece rubber mounting block with integrated studs. | 4th Mar 1938 | Box 99 \ 2 scan0155 | |
| Note on a modified rear engine mounting after 24 hours of running. | 4th Mar 1938 | Box 99 \ 2 scan0156 | |
| Photograph showing two acorn-shaped rubber buffers with threaded studs. | 4th Mar 1938 | Box 99 \ 2 scan0157 | |
| Short handwritten note regarding Rebound Buffers. | 4th Mar 1938 | Box 99 \ 2 scan0158 | |
| Photograph showing the components of a failed ball joint assembly. | 4th Mar 1938 | Box 99 \ 2 scan0159 | |
| Note with a photograph showing an off-side torque arm and spherical rubber after use. | 4th Mar 1938 | Box 99 \ 2 scan0160 | |
| Close-up photograph of a fabricated metal mounting bracket bolted to a chassis frame. | 4th Mar 1938 | Box 99 \ 2 scan0161 | |
| Off-side central bracket for lower arm pivots. | 4th Mar 1938 | Box 99 \ 2 scan0162 | |
| Photograph showing a close-up of a front stub axle and steering arm assembly. | 4th Mar 1938 | Box 99 \ 2 scan0163 | |
| Note on an off-side yoke bearing with a Silentbloc component after 1750 hours of use. | 4th Mar 1938 | Box 99 \ 2 scan0164 | |
| Close-up photograph of a suspension or brake component with a tag labelled '1' inside a brake drum. | 4th Mar 1938 | Box 99 \ 2 scan0165 | |
| Condition of a Yoke Bearing and Inlox bushing after 1750 hours of use. | 4th Mar 1938 | Box 99 \ 2 scan0166 | |
| A modification to hover arm bearings after a certain number of hours. | 4th Mar 1938 | Box 99 \ 2 scan0168 | |
| Close-up photograph showing a complex welded joint on a heavy metal chassis or frame component. | 4th Mar 1938 | Box 99 \ 2 scan0169 | |
| The bottom flange of a 0.5 gusset after 32 hours. | 4th Mar 1938 | Box 99 \ 2 scan0170 | |
| Close-up photograph of a fabricated or cast metal component, showing details of joints, welds, and a crack. | 4th Mar 1938 | Box 99 \ 2 scan0171 | |
| The condition of a bottom flange of a side member after 32 hours. | 4th Mar 1938 | Box 99 \ 2 scan0172 | |
| Close-up photograph of a complete fracture in a welded metal component. | 4th Mar 1938 | Box 99 \ 2 scan0173 | |
| The condition of bottom flanges and a gusset on a scale member after a duration. | 4th Mar 1938 | Box 99 \ 2 scan0174 | |
| The state of a bump buffer after 32 hours. | 2nd Feb 1938 | Box 99 \ 2 scan0176 | |
| Photograph of a Bentley 111 Bump Chassis torque arm made from pressed steel, following a failure test. | 2nd Feb 1938 | Box 99 \ 2 scan0177 | |
| Photograph of a failed aluminium torque arm from a Bentley III after bump chassis testing. | 2nd Feb 1938 | Box 99 \ 2 scan0178 | |
| A central bracket for lower levers. | 2nd Feb 1938 | Box 99 \ 2 scan0180 | |
| Close-up photograph showing the welded joints of a metal chassis or frame component. | 2nd Feb 1938 | Box 99 \ 2 scan0181 | |
| The bottom flange of a near side gusset after 32 hours. | 2nd Feb 1938 | Box 99 \ 2 scan0182 | |
| On a mostly blank document describing specific vehicle components. | 2nd Feb 1938 | Box 99 \ 2 scan0184 | |
| Photograph showing a clean cut or fracture through a large metal beam or chassis member. | 2nd Feb 1938 | Box 99 \ 2 scan0185 | |
| Photograph showing the bottom flange and web of an O.S side member after 32 hours. | 30th Mar 1938 | Box 99 \ 2 scan0186 | |
| Estimate for motor frame pressings including sidemembers, gussets, and cruciforms. | 30th Mar 1938 | Box 99 \ 2 scan0187 | |
| Tabular record of parts, costs, and allocations for Bentley III frames. | 24th Feb 1938 | Box 99 \ 2 scan0188 | |
| Cost summary for frames ordered and delivered, with a recommendation for an additional payment. | 4th Apr 1938 | Box 99 \ 2 scan0189 | |
| Recommendation regarding rear frame deflection due to jacking, with proposed modifications. | 4th Apr 1938 | Box 99 \ 2 scan0190 | |
| Frame deflection measurements with notes on strengthening and clearance. | 4th Apr 1939 | Box 99 \ 2 scan0191 | |
| Diagram illustrating a test for frame deflection due to jacking. | 6th Apr 1938 | Box 99 \ 2 scan0192 | |
| Letter to Briggs Motor Bodies Ltd. concerning the production of longer chassis frames and press die suitability. | 6th Apr 1938 | Box 99 \ 2 scan0193 | |
| Letter from Briggs Motor Bodies Ltd. discussing frame lengths and press capacity. | 7th Apr 1938 | Box 99 \ 2 scan0194 | |
| Letter to Briggs Motor Bodies discussing vehicle frame lengths and arranging a meeting with Mr. Tjaarda. | 8th Apr 1938 | Box 99 \ 2 scan0195 | |
| Production and development costs for B.III and B.50 frames from various suppliers. | 11th Apr 1938 | Box 99 \ 2 scan0196 | |
| Letter from John Thompson Motor Pressings Ltd. regarding the cost and supply of Bentley Frames. | 14th Apr 1938 | Box 99 \ 2 scan0197 | |
| Estimate from John Thompson Motor Pressings Ltd for six experimental frames and associated parts. | 15th Apr 1938 | Box 99 \ 2 scan0198 | |
| Letter to John Thompson Motor Pressings Ltd. confirming instructions for the assembly of three short frames. | 25th Apr 1938 | Box 99 \ 2 scan0199 | |
| Request to send a covering order to Thompsons for three Bentley III frames. | 26th Apr 1938 | Box 99 \ 2 scan0200 | |
| Letter from John Thompson Motor Pressings Ltd. acknowledging an order for three short frames and associated parts. | 26th Apr 1938 | Box 99 \ 2 scan0201 | |
| Order of three B.III frames from Thompsons, including part numbers and assembly instructions. | 27th Apr 1938 | Box 99 \ 2 scan0202 | |
| Supplementary payment to a supplier for experimental frames. | 27th Apr 1938 | Box 99 \ 2 scan0203 | |
| Letter from John Thompson Motor Pressings Ltd. regarding the costs and supply of Bentley Frames. | 14th Apr 1938 | Box 99 \ 2 scan0204 | |
| Letter to John Thompson Motor Pressings Ltd. concerning the production of frames and enclosing new drawings. | 29th Apr 1938 | Box 99 \ 2 scan0205 | |
| Required and obsolete parts for the Bentley III chassis rear frame end. | 29th Apr 1938 | Box 99 \ 2 scan0206 | |
| Letter from John Thompson Motor Pressings Ltd regarding receipt of a letter, drawings for a rear boxing, and a new arrangement drawing. | 4th May 1938 | Box 99 \ 2 scan0207 | |
| Instructions to John Thompson regarding the delivery and specifications for three new B.III frames. | 4th May 1938 | Box 99 \ 2 scan0208 | |
| Parts list for a Bentley III chassis, detailing frame and fittings to be sent to Messrs. John Thompson. | 5th May 1938 | Box 99 \ 2 scan0209 | |
| Letter to John Thompson Motor Pressings Ltd. regarding specifications for new Bentley frames. | 6th May 1938 | Box 99 \ 2 scan0210 | |
| Forwarding of revised blueprints for the Bentley III chassis frame and fittings. | 11th May 1938 | Box 99 \ 2 scan0211 | |
| Letter to John Thompson Motor Pressings Ltd. regarding replacement prints and upcoming detail drawings. | 19th May 1938 | Box 99 \ 2 scan0212 | |
| Letter from John Thompson Motor Pressings Ltd. acknowledging receipt of replacement prints for F.B.3658. | 20th May 1938 | Box 99 \ 2 scan0213 | |
| Letter regarding the dispatch of drawings for frame brackets and gussets to John Thompson Motor Pressings Ltd. | 21th May 1938 | Box 99 \ 2 scan0214 | |
| Letter to Briggs Motor Bodies Ltd. requesting a quotation for 1000 unplated pressings. | 23th May 1938 | Box 99 \ 2 scan0215 | |
| Letter from John Thompson Motor Pressings Ltd enclosing detail drawings for Frame Brackets and Frame Gussets. | 23th May 1938 | Box 99 \ 2 scan0216 | |
| Letter to John Thompson Motor Pressing Ltd. concerning a change in rivet size for experimental frames. | 1st Jun 1938 | Box 99 \ 2 scan0217 | |
| Letter from John Thompson Motor Pressings Ltd regarding the use of 3/8' diameter rivets on experimental frames. | 3rd Jun 1938 | Box 99 \ 2 scan0218 | |
| Parts list detailing additions and replacements for the Bentley III Chassis, focusing on the frame, rear springs, and tools. | 4th Aug 1938 | Box 99 \ 2 scan0219 | |
| Parts and instructions for shortening a vehicle frame and supplying rear bumper components. | 4th Aug 1938 | Box 99 \ 2 scan0220 | |
| Instruction to produce drawings for fitting a Silver Wraith Front Cross Member to specific Bentley chassis. | 22th Sep 1938 | Box 99 \ 2 scan0221 | |
| Letter requesting the arc welding of a returned Bentley III frame. | 28th Oct 1938 | Box 99 \ 2 scan0222 | |
| Blueprint changes and part requirements for the Bentley 111 chassis rear axle buffer. | 1st Nov 1938 | Box 99 \ 2 scan0223 | |
| Alterations and additional parts for the B.III frame. | 11th Nov 1938 | Box 99 \ 2 scan0224 | |
| Parts, tooling costs and manufacturing plans for the first 500 chassis. | 11th Nov 1938 | Box 99 \ 2 scan0225 | |
| The ordering of two experimental B.III frames for chassis 11.B.5 and 12.B.5. | 11th Nov 1938 | Box 99 \ 2 scan0226 | |
| Parts list and blueprint request for modifications to the Bentley 111 chassis frame and exhaust fittings. | 23th Nov 1938 | Box 99 \ 2 scan0227 | |
| List of five Bentley frames on order from Thompson's, arranged by urgency with component specifications. | 6th Dec 1938 | Box 99 \ 2 scan0228 | |
| Parts list for an 11'1' wheelbase with a 'V' type front crossmember and bumper. | 14th Dec 1938 | Box 99 \ 2 scan0229 | |
| Scheme for a rear frame extension and jack bracket for the Bentley 5 frame. | 14th Dec 1938 | Box 99 \ 2 scan0230 | |
| Authorisation to pay John Thompson Ltd. for welding one B.V. frame. | 30th Dec 1938 | Box 99 \ 2 scan0231 | |
| The Bentley 111 fan and fan drive, noting exceptions compared to the Wraith III design. | 20th Nov 1937 | Box 99 \ 3 scan0001 | |
| Proposal for a new fan mounting scheme for Wraith & B.III models using Ferodo 'Fero-grip' belts, eliminating the need for adjustment. | 8th Feb 1938 | Box 99 \ 3 scan0002 | |
| Request to design a modified, common fan mounting for the Wraith and Bentley III models. | 18th Feb 1938 | Box 99 \ 3 scan0003 | |
| Change of material for fan blades on Wraith and B.III models. | 26th Feb 1938 | Box 99 \ 3 scan0004 | |
| Requesting a factory cost comparison for a revised fan mounting for the Wraith and B.III models. | 3rd Mar 1938 | Box 99 \ 3 scan0005 | |
| List of new drawings for the Bentley 111 fan assembly, including pulleys, hubs, and an adjusting bracket. | 30th Apr 1938 | Box 99 \ 3 scan0006 | |
| Modifications to the fan spindle for Bentley 111 Chassis 5220. | 6th May 1938 | Box 99 \ 3 scan0007 | |
| Instruction to modify a Phantom III fan flange and blades to be fitted on a B.III hub for testing. | 17th May 1938 | Box 99 \ 3 scan0008 | |
| Instructions for an endurance test on 'Ferrogrip' belts for a Bentley 111 fan and spring drive assembly. | 25th May 1938 | Box 99 \ 3 scan0009 | |
| Revision to the Bentley III chassis fan blade, reducing its length. | 13th Jul 1938 | Box 99 \ 3 scan0010 | |
| Request to detail the parts needed to adapt a standard B.II fan blade set and flange onto a B.III fan, and correct the speed ratio. | 19th Jul 1938 | Box 99 \ 3 scan0011 | |
| Modified fan parts, replacements, and blueprints for a Bentley 111. | 11th Aug 1938 | Box 99 \ 3 scan0012 | |
| Flexible bladed fan for the B.III engine, including a mould scheme from British Goodrich. | 5th Sep 1938 | Box 99 \ 3 scan0013 | |
| Parts list and instructions for an experimental Bentley 111 Fan assembly. | 20th Sep 1938 | Box 99 \ 3 scan0014 | |
| Instruction to receive new L.O.P. blueprints for the fan on the Bentley III & Bentley 50 Chassis. | 14th Oct 1938 | Box 99 \ 3 scan0015 | |
| Parts list and instruction memo for a Bentley 111 Fan, specifying new drawings and standard components for 3 sets. | 11th Nov 1938 | Box 99 \ 3 scan0016 | |
| Request to fit Wraith fan blades made of 'Duralumin' to a Bentley III fan flange for testing by Ferodo Ltd. | 21th Nov 1938 | Box 99 \ 3 scan0017 | |
| Instruction regarding fan blade material and grease for Wraith and B.V. models. | 25th Nov 1938 | Box 99 \ 3 scan0018 | |
| Request for an adaptor to test a B.V. flexible blade fan on a Phantom III fan hub for Messrs. Ferodo's test rig. | 1st Dec 1938 | Box 99 \ 3 scan0019 | |
| Required blueprints and parts for a Bentley 5 Fan to be used on the Phantom III Fan testing rig. | 8th Dec 1938 | Box 99 \ 3 scan0020 | |
| Instructing the fitting of backing strips to a flexible bladed fan. | 7th Feb 1939 | Box 99 \ 3 scan0021 | |
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