| Description | Date | Identifier | |
| Arranging a meeting in Derby to discuss the Bentley bonnet. | 30th Nov 1933 | Box 84 \ 3 scan0144 | |
| Directive to change the bonnet clip anchorage bracket material from aluminium to steel on the first 15 Bentley chassis. | 4th Dec 1933 | Box 84 \ 3 scan0145 | |
| Communication regarding the Bentley bonnet clip anchorage. | 5th Dec 1933 | Box 84 \ 3 scan0146 | |
| Brief internal memorandum forwarding a note concerning a Bentley car. | 4th Dec 1933 | Box 84 \ 3 scan0147 | |
| Recurring failure of a bonnet clip anchorage on a Bentley car. | 1st Dec 1933 | Box 84 \ 3 scan0148 | |
| The change of aluminium brackets for the Bentley bonnet clip anchorage on the first fifteen cars. | 6th Dec 1933 | Box 84 \ 3 scan0149 | |
| The failure of Remax Bonnet Fasteners on a Bentley Chassis, recommending a change from brass to steel rivets. | 28th Feb 1934 | Box 84 \ 3 scan0150 | |
| Complaint about 'Remax' Bonnet Fasteners for the Bentley Chassis Bonnet. | 5th Mar 1934 | Box 84 \ 3 scan0151 | |
| Letter from REMAX LIMITED regarding a faulty bonnet fastener and its replacement. | 3rd Mar 1934 | Box 84 \ 3 scan0152 | |
| Assurance from Remax Company to use steel pins for bonnet fasteners on the Bentley Chassis to prevent future issues. | 12th Mar 1934 | Box 84 \ 3 scan0153 | |
| Query regarding the Bentley bonnet's brass hinges clashing with the black and white colour scheme. | 27th Mar 1934 | Box 84 \ 3 scan0154 | |
| Criticism regarding the hinge visibility on a Bentley 20/25 bonnet. | 11th Apr 1934 | Box 84 \ 3 scan0155 | |
| Message to coachbuilder Park Ward regarding the arrival time of a lorry for a body. | 7th Aug 1934 | Box 84 \ 3 scan0156 | |
| Comparison of bonnet temperatures for thermostatically controlled shutter and bypass systems. | 14th Sep 1934 | Box 84 \ 3 scan0157 | |
| Request for a copy of a Bentley bonnet specification for use on an experimental car. | 8th May 1935 | Box 84 \ 3 scan0158 | |
| Instruction to fit a Bentley Chassis bonnet with 3' 'Flip-Flap' shutters instead of louvres. | 13th May 1935 | Box 84 \ 3 scan0159 | |
| Design and application of a Widney Unbroken Line Hinge for the Bentley bonnet. | 21th Sep 1935 | Box 84 \ 3 scan0160 | |
| Modifications for a wider bonnet and dashboard on an experimental Bentley chassis for a new Park Ward body. | 17th Jul 1936 | Box 84 \ 3 scan0161 | |
| Letter to a supplier regarding the production of a sample top bonnet hinge for a Bentley car, discussing materials and design modifications. | 26th Nov 1936 | Box 84 \ 3 scan0162 | |
| Page two of a letter requesting immediate attention and a quick conclusion to a delayed matter. | 26th Nov 1936 | Box 84 \ 3 scan0163 | |
| Cost savings by manufacturing Bentley bonnets from steel instead of aluminium. | 5th Nov 1936 | Box 84 \ 3 scan0164 | |
| Letter chasing a supplier for samples of a top bonnet hinge for a Bentley car. | 2nd Dec 1936 | Box 84 \ 3 scan0165 | |
| Failed Ferodo bonnet rest test and a proposed improved fabric to fix bonnet knock issues on various models. | 11th Dec 1936 | Box 84 \ 3 scan0166 | |
| Conclusions from an interview concerning the fitting of Widney type concealed top bonnet hinges to a Bentley bonnet. | 13th Jan 1937 | Box 84 \ 3 scan0167 | |
| Challenges and solutions for producing a suitable Widney unbroken line top bonnet hinge for Bentley cars. | 1st Feb 1937 | Box 84 \ 3 scan0168 | |
| Modifying the bonnet hinge and radiator eye, weighing the disadvantages of a new scheme against its one aesthetic advantage. | 2nd Feb 1937 | Box 84 \ 3 scan0169 | |
| Letter to Hallam, Sleigh & Cheston regarding fitting a Widney unbroken line top bonnet hinge to a Bentley car. | 2nd Feb 1937 | Box 84 \ 3 scan0170 | |
| Supplier's visit to deliver a Bentley bonnet hinge and a request to prepare for its assembly. | 4th Feb 1937 | Box 84 \ 3 scan0171 | |
| Requesting an official order for successful welding work on a Bentley steel bonnet by Messrs. Fisher & Ludlow. | 4th Feb 1937 | Box 84 \ 3 scan0172 | |
| Telephone communication about fitting a Widney top hinge to a sample Bentley bonnet. | 4th Feb 1937 | Box 84 \ 3 scan0173 | |
| Letter to Messrs. Fisher & Ludlow Ltd. regarding a visit to discuss spot welding of bonnet stiffeners. | 4th Feb 1937 | Box 84 \ 3 scan0174 | |
| Advising against producing an unbroken line top hinge for a Bentley bonnet due to various disadvantages. | 4th Feb 1937 | Box 84 \ 3 scan0175 | |
| Missing delivery of Bonnet Rest Webbing from British Belting & Asbestos Ltd. | 8th Feb 1937 | Box 84 \ 3 scan0176 | |
| Transfer and booking out of bonnet rest webbing to the Experimental Shop. | 9th Feb 1937 | Box 84 \ 3 scan0177 | |
| Technical memorandum on the specification and fitting of Widney unbroken line top bonnet hinges for Bentley cars. | 12th Feb 1937 | Box 84 \ 3 scan0178 | |
| Use of a Widney unbroken top hinge for Bentley bonnets, including sample comparisons and material specifications. | 12th Feb 1937 | Box 84 \ 3 scan0179 | |
| Instructions for fitting a mock-up of a Widney bonnet hinge to a Bentley car for examination. | 2nd Apr 1937 | Box 84 \ 3 scan0180 | |
| Delay in procuring materials for a Bentley bonnet with a Widney hinge. | 3rd May 1937 | Box 84 \ 3 scan0181 | |
| Request for a covering order for one Bentley bonnet hinge from Messrs. Hallam, Sleigh, & Cheston, Ltd. | 6th May 1937 | Box 84 \ 3 scan0182 | |
| Letter to Messrs Hallam, Sleigh, & Cheston regarding the supply of hinges for a Bentley bonnet and arranging a works visit. | 6th May 1937 | Box 84 \ 3 scan0183 | |
| Letter from Hallam, Sleigh & Cheston arranging a visit to discuss folding bonnet top panels and providing directions. | 7th May 1937 | Box 84 \ 3 scan0184 | |
| Letter from a supplier regarding a modification to a hinge to accommodate a stainless steel bead retainer. | 14th May 1937 | Box 84 \ 3 scan0185 | |
| Letter to Messrs Hallam, Sleigh, & Cheston regarding the receipt and potential return of hinges. | 19th May 1937 | Box 84 \ 3 scan0186 | |
| Letter from Hallam, Sleigh & Cheston regarding a hinge taken by Mr. Steadman. | 20th May 1937 | Box 84 \ 3 scan0187 | |
| Letter from Hallam, Sleigh & Cheston regarding the progress on a Widney Bonnet Hinge and requesting detailed drawings for quotation. | 8th Jun 1937 | Box 84 \ 3 scan0188 | |
| Letter to Messrs Hallam, Sleigh & Cheston requesting a quotation for Bentley bonnet top plates and hinges. | 15th Jun 1937 | Box 84 \ 3 scan0189 | |
| Letter from Hallam, Sleigh & Cheston regarding a quotation for Bentley bonnet tops based on supplied drawings. | 17th Jun 1937 | Box 84 \ 3 scan0190 | |
| Quotation letter from Hallam, Sleigh & Cheston regarding pairs of Bonnet Tops fitted with Widney Patent Concealed Bonnet Hinges for Bentley Bonnets. | 25th Jun 1937 | Box 84 \ 3 scan0191 | |
| Quotation from Hallam, Sleigh & Cheston for the supply of steel and aluminium bonnet tops. | 25th Jun 1936 | Box 84 \ 3 scan0192 | |
| Letter to a supplier regarding a quotation for Bentley bonnet parts and ongoing material experiments. | 29th Jun 1937 | Box 84 \ 3 scan0193 | |
| Letter from Hallam, Sleigh & Cheston confirming receipt of a letter and advising that their Mr. Booth is on holiday. | 30th Jun 1937 | Box 84 \ 3 scan0194 | |
| Return of a Widney Bonnet Hinge to a supplier for anti-rust treatment. | 13th Oct 1937 | Box 84 \ 3 scan0195 | |
| Letter from Hallam, Sleigh & Cheston regarding the sending of Widney Patent Quick Action Bonnet Fasteners for trial. | 28th Oct 1937 | Box 84 \ 3 scan0196 | |
| Letter to Park Ward Ltd. confirming the despatch of a Bentley steel bonnet for anti-rust treatment. | 18th Feb 1938 | Box 84 \ 3 scan0197 | |
| The despatch of a steel bonnet to Messrs Park Ward in London. | 18th Feb 1938 | Box 84 \ 3 scan0198 | |
| Use of the Peregrine axle on the Bensport chassis. | 30th May 1932 | Box 84 \ 3 scan0199 | |
| Modifications to the Peregrine & Bensport Front Axle. | 4th Mar 1933 | Box 84 \ 3 scan0200 | |
| Modifications to the Bensport Front Axle to prevent twisting under braking loads. | 28th Jun 1933 | Box 84 \ 3 scan0201 | |
| New schedule for a stiffened Front Axle Pivot for Bensport. | 10th Jul 1933 | Box 84 \ 3 scan0202 | |
| Suggesting an alternative spring-loaded standpipe for the Bensport Front Axle Pivot. | 12th Jul 1933 | Box 84 \ 3 scan0203 | |
| Temporary and further improvements for the Bensport Axle Control system. | 12th Jul 1933 | Box 84 \ 3 scan0204 | |
| Requesting the preparation of experimental details to prevent over-lubrication of the 3½ Litre Bentley front axle pivots. | 4th Aug 1933 | Box 84 \ 3 scan0205 | |
| Lubrication issues with pivot pins on a 3 1/2 Litre Bentley, instructing a reversion to a three-groove friction washer. | 28th Oct 1933 | Box 84 \ 3 scan0206 | |
| Instructing the fitting of Bentley front axles with a 4° transverse pivot lean to all cars in the shop. | 1st Jan 1934 | Box 84 \ 3 scan0207 | |
| Following up on a conversation regarding the Bentley front axle control. | 26th Feb 1934 | Box 84 \ 3 scan0208 | |
| The adaptation of the Bentley Front Axle pivot inclination. | 1st Mar 1934 | Box 84 \ 3 scan0209 | |
| Issues with nuts coming loose on the Bentley front axle control and a recommendation to use larger bolts. | 20th Feb 1934 | Box 84 \ 3 scan0210 | |
| Standardisation of larger bolts for the axle control bracket to prevent them from coming loose. | 26th Feb 1934 | Box 84 \ 3 scan0211 | |
| Examination of a twisted front axle on a 3 1/2 litre Bentley, discussing the cause, potential remedies, and history of similar issues. | 9th Apr 1934 | Box 84 \ 3 scan0212 | |
| 20,000-mile test on a strengthened Bentley front axle. | 16th Apr 1934 | Box 84 \ 3 scan0213 | |
| Standardising and producing a strengthened front axle for a Bentley. | 30th Apr 1934 | Box 84 \ 3 scan0214 | |
| The failure of a weak type Bentley front axle and recommendations for using a strengthened version. | 18th May 1934 | Box 84 \ 3 scan0215 | |
| Cracked Bentley front axle in Paris and recommendations for a strengthened replacement. | 25th May 1934 | Box 84 \ 3 scan0216 | |
| Close-up photograph of a front axle, steering knuckle, and brake assembly, with a focus on the linkages. | 30th May 1934 | Box 84 \ 3 scan0217 | |
| Attached photograph related to Bentley Front Axles. | 30th May 1934 | Box 84 \ 3 scan0219 | |
| Highlighting a discrepancy in the metal section of recently fitted Bentley front axles. | 28th May 1934 | Box 84 \ 3 scan0220 | |
| Blueprint showing a cross-section of a Bentley front axle beam, detailing a shortage of metal on the forging. | 28th May 1934 | Box 84 \ 3 scan0221 | |
| Proposed reinforcements for the Bentley Front Axle. | 30th May 1934 | Box 84 \ 3 scan0222 | |
| Bentley front axle control and the use of offset spring eyes. | 30th May 1934 | Box 84 \ 3 scan0223 | |
| New type of cracking failure on Bentley front axles, discussing testing and potential modifications. | 1st Jun 1934 | Box 84 \ 3 scan0224 | |
| The distorted condition of a 1-B-IV front axle. | 5th Jun 1934 | Box 84 \ 3 scan0225 | |
| Permanent distortion in an unstrengthened axle during front spring buckling tests. | 11th Jun 1934 | Box 84 \ 3 scan0226 | |
| Diagram showing distortion measurements on a front axle. | 5th Jun 1934 | Box 84 \ 3 scan0227 | |
| Diagram showing distortion measurements on a front axle beam removed from a vehicle. | 5th Jun 1934 | Box 84 \ 3 scan0228 | |
| Effects of shock absorber load and spring deflection on steering geometry and considering alternative axle control designs. | 25th Jun 1934 | Box 84 \ 3 scan0229 | |
| And a diagram showing track variations on a Bentley 4 1/4 Litre front axle when jacked up. | 28th Jul 1934 | Box 84 \ 3 scan0230 | |
| Standardisation report for stiffer brake torsion shafts in the front axle. | 6th Jun 1934 | Box 84 \ 3 scan0231 | |
| Estimated cost for extra jigs, tools, and equipment related to a modification for the 'C' series. | 22th Jun 1934 | Box 84 \ 3 scan0232 | |
| Results of 10,000-mile tests on Bentley 4½° pivot front axles and their use on trials cars. | 7th Sep 1934 | Box 84 \ 3 scan0233 | |
| Urging the detailing of a solution to an issue with Bentley axle control and controllable dampers during braking. | 14th Sep 1934 | Box 84 \ 3 scan0234 | |
| Suggestions for a Bentley Front Axle Control system. | 12th Sep 1934 | Box 84 \ 3 scan0235 | |
| Requesting modifications to a Bentley front axle to test for brake judder and tramping. | 1st Nov 1934 | Box 84 \ 3 scan0236 | |
| Experiments to cure Bentley front axle tramp by adjusting pivot lean angles. | 8th Nov 1934 | Box 84 \ 3 scan0237 | |
| The second series of tests for the 3.B.IV. front axle, detailing pivot pin distortion from previous tests. | 17th Dec 1934 | Box 84 \ 3 scan0238 | |
| Proposal to strengthen a failing Bentley steering pivot pin, with a handwritten note requesting a comparative destruction test. | 10th Dec 1936 | Box 84 \ 3 scan0239 | |
| Confirming the issuance of design instructions for replacing pivot pins in Bentley front axles. | 22th Dec 1934 | Box 84 \ 3 scan0240 | |
| Changing the Bentley steering pivot on existing cars and modifying the inner roller bearing race. | 22th Dec 1934 | Box 84 \ 3 scan0241 | |
| Failure of front axle pivot pins and the arrangement for testing new parts. | 27th Dec 1934 | Box 84 \ 3 scan0242 | |
| Urgent testing of new pivot pins for a Bentley chassis as a 'Safety First' job. | 1st Jan 1935 | Box 84 \ 3 scan0243 | |
| Request to fit stronger pivot pins and change big end bearings on a Bentley B-23-AE car to trace an engine noise. | 2nd Jan 1935 | Box 84 \ 3 scan0244 | |
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