| Description | Date | Identifier | |
| Quotation from Edward G. Herbert Limited for various automobile spring testing machines. | 12th Jul 1939 | Box 154a \ 2 scan0156 | |
| Inquiry to Marconi-Ekco Instrument Co. Ltd. about noise measuring apparatus for cars. | 12th Jul 1939 | Box 154a \ 2 scan0157 | |
| Letter from Toledo Woodhead Springs Ltd. regarding the dispatch of springs from order no. 96547. | 12th Jul 1939 | Box 154a \ 2 scan0158 | |
| Letter from the Experimental Department to English Steel Corporation requesting coil springs. | 13th Jul 1939 | Box 154a \ 2 scan0159 | |
| Letter from the Experimental Department chasing an unfulfilled order for Harris bushes. | 17th Jul 1939 | Box 154a \ 2 scan0160 | |
| Letter from supplier Toledo Woodhead Springs Ltd. regarding the progress of tooling for spring eyes. | 18th Jul 1939 | Box 154a \ 2 scan0161 | |
| Letter from Edward G. Herbert Ltd. confirming a visit regarding Olsen Spring Testing Machines. | 19th Jul 1939 | Box 154a \ 2 scan0162 | |
| Follow-up letter to Howard Graham Ltd. requesting schemes for using Harris Flexible Bearings in rear shock absorber linkage. | 19th Jul 1939 | Box 154a \ 2 scan0163 | |
| Letter from The Cloudsley Engineering Company regarding modifications to double-piston shock absorbers. | 19th Jul 1939 | Box 154a \ 2 scan0164 | |
| Letter from Howard Graham Ltd. regarding 'Harris' flexible bearings and a proposed visit with test bushings. | 20th Jul 1939 | Box 154a \ 2 scan0165 | |
| Letter to The Cloudsley Engineering Co. Ltd. to arrange a meeting with Mr. Cloudsley. | 21th Jul 1939 | Box 154a \ 2 scan0166 | |
| Packing slip from Howard Graham Ltd. for two types of bushes. | 21th Jul 1939 | Box 154a \ 2 scan0167 | |
| Letter to Howard Graham Ltd. regarding the specifications for Harris bushes and shock absorber glands. | 26th Jul 1939 | Box 154a \ 2 scan0168 | |
| Specifications for bearings and spring shackles, including allowable twist, torsion resistance, and deflection. | 26th Jul 1939 | Box 154a \ 2 scan0169 | |
| Letter to Messrs. Howard Graham Ltd. detailing specifications for side twist, resistance, and deflection. | 2nd Aug 1939 | Box 154a \ 2 scan0170 | |
| Follow-up letter from Edward G. Herbert Ltd. regarding a quotation for spring testing machines. | 2nd Aug 1939 | Box 154a \ 2 scan0171 | |
| Follow-up letter from Wilmot-Breeden Ltd. regarding the testing of sample Oscillith Bushes for front wheel suspension. | 2nd Aug 1939 | Box 154a \ 2 scan0172 | |
| Letter to Toledo Woodhead Springs Ltd. returning prints from Eaton Spring Co's products and commenting on their stress calculations. | 8th Aug 1939 | Box 154a \ 2 scan0173 | |
| Letter to Toledo Woodhead Springs about creaking springs and proposed solutions involving grease. | 11th Aug 1939 | Box 154a \ 2 scan0174 | |
| Spring greasing methods, testing procedures, and failures for Toledo Woodhead Springs Ltd. | 11th Aug 1939 | Box 154a \ 2 scan0175 | |
| Suggestion from the Eaton Spring Co. regarding using a solid top leaf for a spring. | 11th Aug 1939 | Box 154a \ 2 scan0176 | |
| Letter to Messrs. Edward G. Herbert Ltd., stating that a decision has not yet been made. | 11th Aug 1939 | Box 154a \ 2 scan0177 | |
| Letter to The Cloudsley Engineering Co. Ltd. concerning the development and testing of dampers. | 11th Aug 1939 | Box 154a \ 2 scan0178 | |
| Page two of a letter discussing supplier pricing for experimental supplies. | 11th Aug 1939 | Box 154a \ 2 scan0179 | |
| Telegram to Martindale in Derby arranging to bring a shock absorber. | 11th Aug 1939 | Box 154a \ 2 scan0180 | |
| Short telegram message requesting to be advised of a convenient date and time. | 14th Aug 1939 | Box 154a \ 2 scan0181 | |
| Letter to Spauldings Ltd. urgently requesting sheets of Spaldite Spring Interleaving. | 14th Aug 1939 | Box 154a \ 2 scan0182 | |
| Blueprint of the G.A. Oyston valves for Luvax 'P6'. | 2nd Mar 1938 | Box 154a \ 2 scan0183 | |
| Diagram showing a cross-section and end-view of a multi-plate mechanical assembly. | 2nd Mar 1939 | Box 154a \ 2 scan0184 | |
| Blueprint of a pressure compensated valve for a shock damper. | 1st Jan 1937 | Box 154a \ 2 scan0185 | |
| Letter to Messrs. Spauldings Ltd. urgently requesting sheets of Spaldite Spring Interleaving. | 14th Aug 1939 | Box 154a \ 2 scan0186 | |
| Letter from Toledo Woodhead Springs Ltd. returning prints for Eaton Spring Co's products. | 14th Aug 1939 | Box 154a \ 2 scan0187 | |
| Covering order for spaldite sheets for Silver Wraith spring interleaving. | 15th Aug 1939 | Box 154a \ 2 scan0188 | |
| Requesting two sets of parts for the Front Suspension Mechanism, with one set to be fitted to a Silver Wraith Bump chassis. | 17th Aug 1939 | Box 154a \ 2 scan0189 | |
| Requesting an official order for spring shackles based on an attached invoice. | 17th Aug 1939 | Box 154a \ 2 scan0190 | |
| Requesting the despatch of a spring shackle to Toledo Woodhead Springs Ltd. | 17th Aug 1939 | Box 154a \ 2 scan0191 | |
| Letter to Toledo Woodhead Springs Ltd. regarding tests on a spring shackle to investigate creaks. | 17th Aug 1939 | Box 154a \ 2 scan0192 | |
| Preliminary scheme for a simplified Rear Spring Shackle on a Bentley 50 Chassis, fitted with 'Harris' Bushes. | 17th Aug 1939 | Box 154a \ 2 scan0193 | |
| The return of four B.V. rear springs to be made to drawing. | 18th Aug 1939 | Box 154a \ 2 scan0194 | |
| Instruction for two sets of parts for Harris Bearings in a Roll Rod for the Silver Wraith Bump Chassis. | 18th Aug 1939 | Box 154a \ 2 scan0195 | |
| Letter to Toledo Woodhead Spring Co. regarding the testing of graphite impregnated Tufnol spring interleaving. | 18th Aug 1939 | Box 154a \ 2 scan0196 | |
| Letter to Cloudsley Engineering Co. Ltd. regarding the supply of 8 valves for Oyston valve shock dampers. | 19th Aug 1939 | Box 154a \ 2 scan0197 | |
| Letter to Howard Graham Ltd. regarding spring anchorage and shackle assembly schemes. | 19th Aug 1939 | Box 154a \ 2 scan0198 | |
| Letter to Howard Graham Ltd. regarding drawings for a simplified rear shackle assembly and Harris bushes. | 21th Aug 1939 | Box 154a \ 2 scan0199 | |
| Letter from Cloudsley Engineering agreeing to the manufacture of 'Time-Lag' shock absorber valves. | 22th Aug 1939 | Box 154a \ 2 scan0200 | |
| Letter to Toledo Woodhead Springs Ltd. regarding tests on graphite-impregnated Tufnol interleaving. | 23th Aug 1939 | Box 154a \ 2 scan0201 | |
| Letter to the Eaton Manufacturing Co. requesting two designs for a new leaf spring for a chassis. | 24th Aug 1939 | Box 154a \ 2 scan0202 | |
| Letter enclosing a table of leaf thicknesses that Toledo Woodhead's can roll and discussing roll sizes. | 24th Aug 1939 | Box 154a \ 2 scan0203 | |
| Order for a sheet of graphite impregnated Tufnol for spring interleaving. | 24th Aug 1939 | Box 154a \ 2 scan0204 | |
| Letter to Ellison Insulations Ltd. confirming a telephone conversation regarding the supply of graphite-impregnated Tufnol. | 24th Aug 1939 | Box 154a \ 2 scan0205 | |
| Letter to Ellison Insulations Ltd. regarding the required dimensions for Tufnol Spring Interleaving. | 28th Aug 1939 | Box 154a \ 2 scan0206 | |
| Telegram received by telephone regarding a potential meeting. | 29th Aug 1939 | Box 154a \ 2 scan0207 | |
| Short typed message deferring a meeting or event. | 29th Aug 1939 | Box 154a \ 2 scan0208 | |
| Letter from Howard Graham Ltd concerning the supply and specifications of shock damper and spring shackle bushes. | 6th Sep 1939 | Box 154a \ 2 scan0209 | |
| Letter from Howard Graham Ltd. suggesting different bush sizes and assembly options for a rear spring anchor. | 10th Aug 1939 | Box 154a \ 2 scan0210 | |
| Blueprint for a Harris Bush Assembly. | 10th Aug 1939 | Box 154a \ 2 scan0211 | |
| Technical drawing of the 995 Assembly, showing a cross-section with dimensions. | 24th Jul 1939 | Box 154a \ 2 scan0212 | |
| Blueprint detailing two assembly types, 'A' and 'B', likely for a spring or shackle mounting. | 19th Jul 1939 | Box 154a \ 2 scan0213 | |
| Technical drawing of a Rear Shackle. | 17th Jun 1939 | Box 154a \ 2 scan0214 | |
| Blueprint of a shock damper lever. | 11th Aug 1939 | Box 154a \ 2 scan0215 | |
| Blueprint of a shackle assembly incorporating Harris bushes for a spring suspension. | 26th Aug 1939 | Box 154a \ 2 scan0216 | |
| Letter from Howard Graham Ltd. enclosing a Harris Flexible Bearing Booklet with a personal cover. | 7th Nov 1939 | Box 154a \ 2 scan0217 | |
| Letter of thanks to H.Clayton-Wright for a booklet on Flexible Bearings. | 11th Nov 1939 | Box 154a \ 2 scan0218 | |
| Follow-up memo chasing a reply regarding material loaned to Messrs Toledo Woodheads Springs Ltd. | 21th Nov 1939 | Box 154a \ 2 scan0219 | |
| Chasing a reply regarding a loaned Road Spring and its return status. | 22th Nov 1939 | Box 154a \ 2 scan0220 | |
| Confirming the return of material by Mr. Woodhead, which allows an advice note to be cleared. | 24th Nov 1939 | Box 154a \ 2 scan0221 | |
| Internal request for a covering order for one quart of Synthetic Rubber Latex that has already been collected. | 24th Nov 1939 | Box 154a \ 2 scan0222 | |
| Letter to Toledo Woodhead Ltd. concerning road spring development and testing during the war. | 5th Dec 1939 | Box 154a \ 2 scan0223 | |
| Page two of a letter suggesting a meeting with Mr. Martindale in Sheffield. | 5th Dec 1939 | Box 154a \ 2 scan0224 | |
| Cover sheet for a record detailing the 'scribbling action' or sideways movement of a rear axle. | 5th Dec 1939 | Box 154a \ 2 scan0225 | |
| Sketch illustrating the changing shape of marks or vibrations at different rotational speeds. | 12th Dec 1939 | Box 154a \ 2 scan0226 | |
| Letter from Toledo Woodhead Springs Ltd. concerning continuing experiments with Patent Grooved Section Springs. | 12th Dec 1939 | Box 154a \ 2 scan0227 | |
| Letter to Toledo Woodhead Springs Ltd. regarding Mr. Martindale's absence and a planned meeting. | 14th Dec 1939 | Box 154a \ 2 scan0228 | |
| Letter from Toledo Woodhead Springs Ltd. regarding the delayed arrival of a letter about a meeting. | 1st Jan 1940 | Box 154a \ 2 scan0229 | |
| Letter to Toledo Woodhead Springs Ltd. confirming a meeting with Mr. Robotham to discuss Spring Interleaving. | 3rd Jan 1940 | Box 154a \ 2 scan0230 | |
| Letter to Toledo Woodhead Springs Ltd. regarding updated drawings and piece numbers for an urgent order of springs. | 7th Jan 1940 | Box 154a \ 2 scan0231 | |
| Request to despatch one spring to Toledo Woodhead Springs Ltd for the attention of Mr. Spittlehouse. | 9th Jan 1940 | Box 154a \ 2 scan0232 | |
| Letter to Toledo Woodhead Springs Ltd. regarding the supply of a pattern spring for making interleaving. | 9th Jan 1940 | Box 154a \ 2 scan0233 | |
| Letter from Toledo Woodhead Springs Limited regarding patent Grooved Section Springs and Bakelite Strip samples. | 11th Jan 1940 | Box 154a \ 2 scan0234 | |
| Letter to The Ellison Insulation Co. Ltd. regarding the status of an order for Tufnol spring interleaving material. | 13th Jan 1940 | Box 154a \ 2 scan0235 | |
| Details and specifications for front and rear springs for models 12.B.V and 12.B.IV. | 18th Jan 1940 | Box 154a \ 2 scan0236 | |
| The performance and testing of different materials for spring interleaving. | 22th Jan 1940 | Box 154a \ 2 scan0237 | |
| List of three new types of interleaving materials that have been placed on order. | 22th Jan 1940 | Box 154a \ 2 scan0238 | |
| Request to issue an official order for two pairs of canvas spring gaiters. | 24th Jan 1940 | Box 154a \ 2 scan0239 | |
| Letter to a supplier requesting the production of tin gaiters and inquiring about the progress of reinforced interleaving. | 24th Jan 1940 | Box 154a \ 2 scan0240 | |
| Letter from Toledo Woodhead Springs Ltd. concerning tin gaiters for leaf springs and a despatched sample. | 26th Jan 1940 | Box 154a \ 2 scan0241 | |
| Request to place an order with Toledo Woodhead for tin spring gaiters. | 31th Jan 1940 | Box 154a \ 2 scan0242 | |
| Sending a Toledo Woodhead 56' 1200 lb. spring to Woodheads for fitting with tin gaiters. | 31th Jan 1940 | Box 154a \ 2 scan0243 | |
| Request to send an official order to Toledo Woodheads for sheets of spring interleaving. | 31th Jan 1940 | Box 154a \ 2 scan0244 | |
| Letter to Toledo Woodhead Springs Ltd. regarding a 56' rear road spring requiring fitting with tin gaiters. | 31th Jan 1940 | Box 154a \ 2 scan0245 | |
| Letter from Ferodo Ltd regarding a delay in supplying spring interleaving material and seeking clarification on its thickness. | 31th Jan 1940 | Box 154a \ 2 scan0246 | |
| Transition in design and supply of chassis road springs from Firth's to a less costly alternative from Toledo Woodheads. | 1st Feb 1940 | Box 154a \ 2 scan0247 | |
| Minutes of a suspension development meeting discussing revisions for the Senior Range pivot and plans for the Junior Range suspension. | 5th Feb 1940 | Box 154a \ 2 scan0248 | |
| Letter to Ferodo Ltd. regarding the thickness and cost of spring interleaving material. | 5th Jan 1940 | Box 154a \ 2 scan0249 | |
| Letter to Ferodo Ltd. proposing a meeting to discuss spring interleaving and the cost and performance of materials. | 5th Mar 1940 | Box 154a \ 2 scan0250 | |
| Letter from Ferodo Ltd confirming a meeting to discuss spring interleaving and the status of VG.90 type samples. | 8th Mar 1940 | Box 154a \ 2 scan0251 | |
| Letter to Ferodo Ltd. confirming a request to measure the coefficient of friction and wear rate of five different materials. | 13th Mar 1940 | Box 154a \ 2 scan0252 | |
| Letter clarifying a cost error on Jackson board and asking about the properties of wax impregnation. | 14th Mar 1940 | Box 154a \ 2 scan0253 | |
| Analysis of the Opel Kapitan front suspension system, comparing it to designs from Packard, Vauxhall, and the Wraith model. | 14th Mar 1940 | Box 154a \ 2 scan0254 | |
| The drawbacks and considerations for a proposed steering and suspension design, including rubber attachments and weight implications. | 14th Mar 1940 | Box 154a \ 2 scan0255 | |
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