| Description | Date | Identifier | |
| Chasing a decision on whether to keep an order for Roller Assemblies open or to cancel it. | 6th Apr 1938 | Box 153 \ 1 scan0137 | |
| Parts list and instructions for the steering column and box for Bentley III & Bentley 50 chassis. | 13th Apr 1938 | Box 153 \ 1 scan0138 | |
| Recommendation to use petrol-proof insulation for the horn wire in the steering column. | 4th May 1938 | Box 153 \ 1 scan0139 | |
| Internal request to place an order for various bearings and cages with Ransome & Marles Bearing Co., Ltd. | 5th May 1938 | Box 153 \ 1 scan0140 | |
| Protection of the horn wire in the steering column from petrol. | 22th Apr 1938 | Box 153 \ 1 scan0141 | |
| Blueprint for an oil shield and bush for the horn cable on a Wraith model. | 14th Apr 1938 | Box 153 \ 1 scan0142 | |
| Requesting the collection and examination of a competitor's latest steering gear. | 11th May 1938 | Box 153 \ 1 scan0143 | |
| Request to Adamant Engineering Co. Ltd. to borrow parts for mechanical efficiency tests on a steering gear. | 12th May 1938 | Box 153 \ 1 scan0144 | |
| Letter from Adamant Engineering Co. Ltd. regarding the supply of a steering wheel and drop arm for testing. | 13th May 1938 | Box 153 \ 1 scan0145 | |
| Comparing the efficiency of a type 410 Marles steering gear from Adamant Engineering Co. against the model currently in use. | 25th May 1938 | Box 153 \ 1 scan0146 | |
| Graph showing the mechanical efficiency of an Adamant Type 410 steering column. | 21th Feb 1947 | Box 153 \ 1 scan0147 | |
| Request to return a loaned Marles Steering gear type 410 to The Adamant Engineering Co. | 27th May 1938 | Box 153 \ 1 scan0148 | |
| Outstanding invoice from Adamant Engineering Co. Ltd. for a steering wheel and drop arm. | 2nd Jun 1938 | Box 153 \ 1 scan0149 | |
| The return of a steering wheel and drop arm to Adamant Engineering Co. for credit. | 3rd Jun 1938 | Box 153 \ 1 scan0150 | |
| Improvements to the cross steering geometry. | 14th Jun 1938 | Box 153 \ 1 scan0151 | |
| Concluding statement page recommending the experimental mock-up of a scheme. | 14th Jun 1938 | Box 153 \ 1 scan0152 | |
| Order for bearing cages from Ransome & Marles Bearing Co. Ltd. | 14th Jun 1938 | Box 153 \ 1 scan0153 | |
| Letter regarding delivery of three specially finished experimental cams M.22517. | 24th Jun 1938 | Box 153 \ 1 scan0154 | |
| Trial of an improved steering geometry for the Bentley III, noting issues and proposed alterations. | 19th Aug 1938 | Box 153 \ 1 scan0155 | |
| Seeking clarification on the steering geometry for Bentley III and Bentley 50 models before proceeding with die production. | 18th Aug 1938 | Box 153 \ 1 scan0156 | |
| Improved cross steering geometry and components for Bentley III and Bentley 50 models. | 30th Aug 1938 | Box 153 \ 1 scan0157 | |
| Parts required for the front spring suspension mechanism on Bentley and Wraith models. | 31th Aug 1938 | Box 153 \ 1 scan0158 | |
| Instruction to experimentally test a new F.CD.845 Pendulum Lever for the Bentley 111 and 50 steering column. | 31th Aug 1938 | Box 153 \ 1 scan0159 | |
| Parts for improved cross steering geometry on Bentley III and 50 models, to be fitted to a test car. | 2nd Sep 1938 | Box 153 \ 1 scan0160 | |
| The required lengthening of levers on the Bentley 111 and 50 steering column to improve steering geometry. | 6th Sep 1938 | Box 153 \ 1 scan0161 | |
| Letter to The Adamant Engineering Co., Ltd. requesting six steering cams for experimental purposes. | 8th Sep 1938 | Box 153 \ 1 scan0162 | |
| Request to send an order to Adamant Engineering Co., Ltd. for 6 Steering Cams. | 8th Sep 1938 | Box 153 \ 1 scan0163 | |
| Letter from Adamant Engineering Company regarding the manufacture of 6 experimental steering cams, clarifying a cancelled drawing. | 9th Sep 1938 | Box 153 \ 1 scan0164 | |
| Letter from Adamant Engineering Company regarding a previously omitted Blue Print M.22313. | 10th Sep 1938 | Box 153 \ 1 scan0165 | |
| Letter from Ransome & Marles Bearing Co. Ltd. concerning Pinion Bearings GB.2680 and a telephone conversation. | 20th Sep 1938 | Box 153 \ 1 scan0166 | |
| Letter from Ransome & Marles Bearing Co. Ltd. regarding the delivery and modification of bearings against an order. | 20th Sep 1938 | Box 153 \ 1 scan0167 | |
| Instruction memo regarding blueprints for an improved cross steering geometry on Bentley 111, 50, and Silver Wraith chassis. | 22th Sep 1938 | Box 153 \ 1 scan0168 | |
| Letter to Ransome & Marles Bearing Co. Ltd. requesting two small ball bearings for scientific apparatus. | 30th Sep 1938 | Box 153 \ 1 scan0169 | |
| Order to be sent to Hoffmann Manufacturing Co. Ltd. for 3 steering roller assemblies. | 8th Oct 1938 | Box 153 \ 1 scan0170 | |
| Request for three experimental steering roller assemblies from The Hoffmann Manufacturing Co. Ltd. | 8th Oct 1938 | Box 153 \ 1 scan0171 | |
| Letter from Ransome & Marles Bearing Co. Ltd. regarding a delayed response and the dispatch of four bearings. | 11th Oct 1938 | Box 153 \ 1 scan0172 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. regarding an order for special bearings, confirming receipt and noting a dimensional revision. | 12th Oct 1938 | Box 153 \ 1 scan0173 | |
| Notice detailing a modification to the throttle controls for Bentley 111 and 50 models to suit a revised steering column. | 25th Oct 1938 | Box 153 \ 1 scan0174 | |
| Letter to The Hoffman Manufacturing Co. Ltd. regarding an alteration to print F.89511. | 29th Oct 1938 | Box 153 \ 1 scan0175 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. acknowledging a letter and a revised print. | 1st Nov 1938 | Box 153 \ 1 scan0176 | |
| The production, hardening, and quality control standards for Wraith steering cams. | 11th Nov 1938 | Box 153 \ 1 scan0177 | |
| Scheme for a steering column gastight joint on the dashboard for B.5, B.50, and Wraith 80 chassis. | 2nd Jan 1939 | Box 153 \ 1 scan0178 | |
| Letter to a supplier regarding failures of a steering gear roller follower on the Phantom III chassis and requesting new parts for testing. | 4th Jan 1939 | Box 153 \ 1 scan0179 | |
| Letter to The Hoffman Manufacturing Co. Ltd. regarding the supply of sample rollers and spring rings. | 4th Jan 1938 | Box 153 \ 1 scan0180 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. detailing corrections to dimensions for ball bearing steering rollers. | 11th Jan 1939 | Box 153 \ 1 scan0181 | |
| Dimensional alterations for a roller and race assembly to correct design errors. | 17th Jan 1939 | Box 153 \ 1 scan0182 | |
| Investigation and proposed modifications for steering and pedal positions on various car models. | 17th Jan 1939 | Box 153 \ 1 scan0183 | |
| Adjustments to the steering positions and pedals for various car models. | 17th Jan 1939 | Box 153 \ 1 scan0184 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. confirming revised drawings are in order for the manufacture of steering rollers. | 18th Jan 1939 | Box 153 \ 1 scan0185 | |
| Order for 6 steering rollers from The Hoffmann Manufacturing Co. Ltd. | 27th Jan 1939 | Box 153 \ 1 scan0186 | |
| Order for six steering cams from The Adamant Engineering Co. Ltd. | 27th Jan 1939 | Box 153 \ 1 scan0187 | |
| Letter from a bearing manufacturer regarding tolerances and clearances for steering rollers. | 31th Jan 1939 | Box 153 \ 1 scan0188 | |
| Alteration note detailing dimensional changes and redrawing of Rollers. | 23th Jan 1939 | Box 153 \ 1 scan0189 | |
| Alteration notice for Steering Cam Roller Assembly and Ball Bearing Race components. | 23th Jan 1939 | Box 153 \ 1 scan0190 | |
| Alteration details for a Roller (Ball Bearing Mounted), modifying dimensions to increase clearance. | 10th Jan 1939 | Box 153 \ 1 scan0191 | |
| Alteration notice detailing dimensional changes for a steering cam roller assembly and its corresponding ball bearing race. | 10th Jan 1939 | Box 153 \ 1 scan0192 | |
| Request to test sample Tufnol steering mechanism bearings on a chassis for 10,000 miles and report on their behaviour. | 1st Feb 1939 | Box 153 \ 1 scan0193 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. regarding alterations to prints for a steering roller assembly. | 4th Feb 1939 | Box 153 \ 1 scan0194 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. confirming receipt of a letter and that drawings F.89828, F.89829, F.89831, and F.89832 are in line. | 7th Feb 1939 | Box 153 \ 1 scan0195 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. concerning an order for bearings, production status, and issues sourcing spring clips. | 10th Feb 1939 | Box 153 \ 1 scan0196 | |
| Letter from The Hoffmann Manufacturing Co. regarding a special ball bearing, its price, and terms of sale. | 10th Feb 1939 | Box 153 \ 1 scan0197 | |
| Scheme for modifying the steering wheel control head to accommodate a standard Lucas Trafficator unit on Bentley 5, B.50 and W.80 models. | 10th Feb 1939 | Box 153 \ 1 scan0198 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. regarding the inability to supply a new spring clip part, and suggesting an alternative supplier. | 15th Feb 1939 | Box 153 \ 1 scan0199 | |
| Quotation from The Hoffmann Manufacturing Co. Ltd. for special bearings. | 24th Feb 1939 | Box 153 \ 1 scan0200 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. about a modification to Steering Rollers. | 24th Feb 1939 | Box 153 \ 1 scan0201 | |
| Letter to Hoffmann Manufacturing Co. Ltd. regarding the required dimensions for rollers in steering gears. | 27th Feb 1939 | Box 153 \ 1 scan0202 | |
| Letter from Hoffmann Manufacturing clarifying a requested modification to an unground recess diameter on part F.89831. | 28th Feb 1939 | Box 153 \ 1 scan0203 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. authorising a dimensional change for the unground recess on part F.89831. | 1st Mar 1939 | Box 153 \ 1 scan0204 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. thanking the Experimental Dept. for their correspondence. | 4th Mar 1939 | Box 153 \ 1 scan0205 | |
| Recommending a manufacturing process for 50 sets of steering cams for the B.V. 50. | 9th Mar 1939 | Box 153 \ 1 scan0206 | |
| Modifications to the steering column control quadrant and addition of an oil shield for Bentley V and 'Corniche' models. | 11th Mar 1939 | Box 153 \ 1 scan0207 | |
| Alterations to achieve a 3-degree caster angle for the B.V. car. | 20th Mar 1939 | Box 153 \ 1 scan0208 | |
| Short typed cover note to 'Rm' enclosing a copy of a document for private information. | 12th Mar 1939 | Box 153 \ 1 scan0209 | |
| Repeated and serious steering failure on chassis B-154-MR for Capt. Molyneux. | 23th Mar 1939 | Box 153 \ 1 scan0210 | |
| Customer complaint regarding potential over-stressed steering on a vehicle. | 23th Mar 1939 | Box 153 \ 1 scan0211 | |
| Query regarding an invoice from The Adamant Engineering Co. Ltd. for Cams before releasing payment. | 22th Mar 1939 | Box 153 \ 1 scan0212 | |
| Urgent internal request for the manufacture of special ball end pins for Bentley V & 50 steering. | 23th Mar 1939 | Box 153 \ 1 scan0213 | |
| Report comparing the performance of old (7.B.V.) and new (9.B.V.) steering geometries. | 23th Mar 1939 | Box 153 \ 1 scan0214 | |
| Confirming that an invoice from The Adamant Engineering Co. can be released for payment. | 24th Mar 1939 | Box 153 \ 1 scan0215 | |
| The repeated failure of the follower roller in the steering column for chassis B.154.MR. | 24th Mar 1939 | Box 153 \ 1 scan0216 | |
| Damage sustained to a front axle and steering column after a hard shock. | 24th Mar 1939 | Box 153 \ 1 scan0217 | |
| Translated report from a mechanic detailing a steering failure and subsequent investigation. | 24th Mar 1939 | Box 153 \ 1 scan0218 | |
| Failure of steering rollers on chassis B154 M.R. and arranging for a replacement part to be sent. | 25th Mar 1939 | Box 153 \ 1 scan0219 | |
| Potential follower roller fracture and steering column replacement on chassis B.154.MR. | 27th Mar 1939 | Box 153 \ 1 scan0220 | |
| Correspondence from Levallois to Derby regarding the urgent need for two reconditioned or new steering boxes for chassis B.154.MR and B.182.MR. | 28th Mar 1939 | Box 153 \ 1 scan0221 | |
| Steering gear issue on chassis B.154.MR for Capt. Molyneux, awaiting parts for inspection. | 28th Mar 1939 | Box 153 \ 1 scan0222 | |
| Letter to a supplier regarding the failure analysis of fractured steering rollers. | 30th Mar 1939 | Box 153 \ 1 scan0223 | |
| Letter concluding that core hardness measurements from 500 to 600 diamond hardness are thoroughly chaotic. | 30th Mar 1939 | Box 153 \ 1 scan0224 | |
| Dispatch instruction for broken steering parts to be sent for examination. | 31th Mar 1939 | Box 153 \ 1 scan0225 | |
| Order and pricing record for steering roller assembly part FW.911. | 22th Dec 1938 | Box 153 \ 1 scan0226 | |
| Steering load tests for Bentley and Wraith chassis, detailing failures and seeking guidance on acceptable limits. | 31th Mar 1939 | Box 153 \ 1 scan0227 | |
| The safety testing of steerings prior to despatch. | 31th Mar 1939 | Box 153 \ 1 scan0228 | |
| Confirming a request to rig a Wraith Bumper chassis steering column for testing steering rollers. | 31th Mar 1939 | Box 153 \ 1 scan0229 | |
| Confirmation of successful steering roller tests for the Wraith & Bentley 'M' Series. | 31th Mar 1939 | Box 153 \ 1 scan0230 | |
| Request to despatch the Wraith Steering Roller Assembly FW.911 by Air Mail. | 31th Mar 1939 | Box 153 \ 1 scan0231 | |
| Confirming the satisfactory results of a 50 ft. lbs. steering safety test, representing a 40% overload. | 3rd Apr 1939 | Box 153 \ 1 scan0232 | |
| Letter from Adamant Engineering Company discussing a new self-adjustable ball bearing for steering gears. | 3rd Apr 1939 | Box 153 \ 1 scan0233 | |
| Promotional letter from Frank Ashby & Sons Ltd. regarding the 'Brooklands' Fully Flexible Steering Wheel. | 4th Apr 1939 | Box 153 \ 1 scan0234 | |
| Steering roller failures on Wraithe and 'M' Series Bentleys. | 4th Apr 1939 | Box 153 \ 1 scan0235 | |
| Steering roller failures in Bentley 'M' Series and Wraith models, detailing test results. | 3rd Apr 1939 | Box 153 \ 1 scan0236 | |
| | | | |
