| Description | Date | Identifier | |
| Required modifications to a crankshaft damper on the B.60 unit following endurance testing. | 20th Jan 1939 | Box 132 \ 1 scan0103 | |
| Adoption of harmonic crankshaft dampers and spring drives for a rationalised engine programme. | 10th Feb 1939 | Box 132 \ 1 scan0104 | |
| Methods to manage crankshaft torsional periods, including dampers and stroke shortening. | 13th Feb 1939 | Box 132 \ 1 scan0105 | |
| Investigation into a spring drive suggestion for an 8-cylinder C.I. engine, concluding the scheme is not worth drawing. | 17th Feb 1939 | Box 132 \ 1 scan0106 | |
| Analysis and calculations for a proposed spring drive where the crankshaft pinion slides on the helical teeth of the camshaft wheel. | 16th Feb 1939 | Box 132 \ 1 scan0107 | |
| Analysis of crankshaft torsional oscillations and spring drive mechanics. | 18th Mar 1939 | Box 132 \ 1 scan0108 | |
| Article discussing the theory and calculation of torsional vibration in Diesel engine crankshafts. | 18th Mar 1939 | Box 132 \ 1 scan0109 | |
| Page from a journal discussing the industrial and aviation applications of nickel alloys. | 18th Mar 1939 | Box 132 \ 1 scan0110 | |
| Part one of a treatise on the mathematical analysis and frequency calculation of engine crankshaft vibrations. | 18th Mar 1939 | Box 132 \ 1 scan0111 | |
| Page from a publication discussing forced vibration and elastic hysteresis in diesel engine crankshafts. | 18th Mar 1939 | Box 132 \ 1 scan0112 | |
| Technical page detailing frequency calculations for one-node vibration in a six-cylinder diesel crankshaft. | 18th Mar 1939 | Box 132 \ 1 scan0113 | |
| Technical analysis of diesel crankshaft vibration, including amplitude, resonance, and shearing stresses. | 18th Mar 1939 | Box 132 \ 1 scan0114 | |
| Analysis of crankshaft vibration with calculations for moment of inertia and stress. | 18th Mar 1939 | Box 132 \ 1 scan0115 | |
| Analysis of one-node frequency and maximum vibration stresses at resonance speed for a six-cylinder engine crankshaft. | 18th Mar 1939 | Box 132 \ 1 scan0116 | |
| Technical paper on the torsional vibration of diesel engines, including frequency calculations. | 25th Mar 1939 | Box 132 \ 1 scan0117 | |
| Specification table detailing teeth, pitch, materials, and other features of various transmissions. | 25th Mar 1939 | Box 132 \ 1 scan0118 | |
| Treatise on engine crankshafts, focusing on torsional vibration analysis and stress calculations. | 25th Mar 1939 | Box 132 \ 1 scan0119 | |
| Analysis of crankshaft vibration for four-cylinder and six-cylinder diesel engines, showing stresses at different revolution speeds. | 25th Mar 1939 | Box 132 \ 1 scan0120 | |
| Analysis of diesel crankshaft vibration for a four-cylinder engine, including diagrams and a table of stress values at resonance. | 25th Mar 1939 | Box 132 \ 1 scan0121 | |
| Page discussing diesel crankshaft vibration, including analysis of harmonic orders, methods for increasing crankshaft frequency, and a stress graph. | 25th Mar 1939 | Box 132 \ 1 scan0122 | |
| Article detailing the design and operation of a new torsional-vibration damper invented by Edwin Thege. | 11th Mar 1939 | Box 132 \ 1 scan0123 | |
| Article from 'Automotive Industries' on the new Austin Eight, detailing its specifications and comparing it to the Austin Seven. | 11th Mar 1939 | Box 132 \ 1 scan0124 | |
| Page from an automotive industry journal featuring articles on engine technology, car models, and an advertisement for crankshaft forgings. | 11th Mar 1939 | Box 132 \ 1 scan0125 | |
| Advertisement for Republic Enduro Stainless Steel used in custom expedition trailers for an African journey. | 11th Mar 1939 | Box 132 \ 1 scan0126 | |
| Results of torsiograph tests on engines and the performance of various dampers. | 21th Apr 1939 | Box 132 \ 1 scan0127 | |
| Torsional vibration tests conducted on the B.80 No.2 engine. | 22th Apr 1939 | Box 132 \ 1 scan0128 | |
| Report page discussing the limits of instrument accuracy in detecting less important harmonics. | 22th Apr 1939 | Box 132 \ 1 scan0129 | |
| Graph of torsiograph results for engine B 80 unit No. 2, operating without a damper. | 22th Apr 1939 | Box 132 \ 1 scan0130 | |
| Torsional oscillation tests conducted on a B.80 No.3 engine with an increased diameter crankshaft. | 22th Apr 1939 | Box 132 \ 1 scan0131 | |
| Analysis of torsional rigidity and vibration frequency in the transmission system and crankshaft. | 22th Apr 1939 | Box 132 \ 1 scan0132 | |
| Graph plotting amplitude against engine RPM for torsional oscillation tests on a B.80 No 3 engine. | 28th Mar 1939 | Box 132 \ 1 scan0133 | |
| Blueprint graph showing torsional oscillation test results on a B.80 No. 3 engine with no damper. | 28th Mar 1939 | Box 132 \ 1 scan0134 | |
| Graph showing torsional oscillation test results for a B.80 No 3 engine without a damper. | 28th Mar 1939 | Box 132 \ 1 scan0135 | |
| Blueprint showing the main dimensions of a B.80 crank-throw. | 21th Apr 1939 | Box 132 \ 1 scan0136 | |
| Suggestion regarding the use of a spring drive to reduce gear rattle and improve damper effectiveness. | 27th Apr 1939 | Box 132 \ 1 scan0137 | |
| Torsional oscillation tests comparing a Wraith spring drive and a standard damper on a B.60 engine. | 28th Apr 1939 | Box 132 \ 1 scan0138 | |
| Graph plotting engine amplitude in degrees against engine RPM for different spring drive and damper configurations. | 22th Apr 1939 | Box 132 \ 1 scan0139 | |
| Design for a spring drive and crankshaft damper for the Wraith III model, using many Phantom III parts. | 4th Aug 1938 | Box 132 \ 1 scan0140 | |
| Letter requesting a cost comparison for crankshafts with different balance weight configurations and materials. | 3rd Jun 1939 | Box 132 \ 1 scan0141 | |
| Page 2 of a letter to The English Steel Corporation requesting updated figures. | 3rd Jun 1939 | Box 132 \ 1 scan0142 | |
| Cost reduction measures for crankshafts, including changes to balance weights and machining processes. | 17th Jun 1939 | Box 132 \ 1 scan0143 | |
| Introduction of cast iron engine units, dies, and associated costs. | 17th Jun 1939 | Box 132 \ 1 scan0144 | |
| Cost analysis comparing crankshafts with integral versus loose balance weights. | 17th Aug 1939 | Box 132 \ 1 scan0145 | |
| List of possible economies for crankshaft manufacturing, detailing potential cost savings. | 17th Jun 1939 | Box 132 \ 1 scan0146 | |
| Order for six moulded rubber dynamo couplings with specific hardness. | 9th Aug 1939 | Box 132 \ 1 scan0147 | |
| Confirming a telephone order for a crankshaft damper from Pickford's and requesting a covering order. | 11th Aug 1939 | Box 132 \ 1 scan0148 | |
| Report on crankshaft torsional fatigue testing and its findings. | 20th Sep 1939 | Box 132 \ 1 scan0149 | |
| Description of a crankshaft testing rig using an exciter to induce torsional vibration. | 20th Sep 1939 | Box 132 \ 1 scan0150 | |
| Procedure and results of shaft fatigue and stress testing. | 20th Sep 1939 | Box 132 \ 1 scan0151 | |
| Issues with exciters, bearings, and motor drives, detailing fatigue test results for crankshafts. | 20th Sep 1939 | Box 132 \ 1 scan0152 | |
| Cross-sectional diagram of a Torsional Exciter. | 20th Sep 1939 | Box 132 \ 1 scan0153 | |
| Blueprint of a G.M. Crankshaft Torsional Fatigue Test rig. | 20th Sep 1939 | Box 132 \ 1 scan0154 | |
| Request for a copy of the polar diagrams of the bearing loads. | 30th Oct 1939 | Box 132 \ 1 scan0155 | |
| Request for a new drawing of a B.60 crankshaft with integral balance weights, referencing a Jaguar crank as a sample. | 7th Dec 1939 | Box 132 \ 1 scan0156 | |
| Proposal to create a 3 litre 6 cylinder engine using parts from other engines as an insurance policy. | 30th Dec 1939 | Box 132 \ 1 scan0157 | |
| Explaining the operation of a pendulum type vibration damper. | 29th Apr 1940 | Box 132 \ 1 scan0158 | |
| Engine dampers, harmonics, and the consideration of a pendulum-type damper for a 6-cylinder engine. | 29th Apr 1940 | Box 132 \ 1 scan0159 | |
| Use of a Trebel dynamic balancing machine for crankshafts. | 24th Apr 1940 | Box 132 \ 1 scan0160 | |
| Production of a Bentley 60 crankshaft with integral balance weights and seeking assurance on experimental costs. | 8th May 1940 | Box 132 \ 1 scan0161 | |
| Modification of existing dies to produce the new B.60 crankshaft with integral balance weights. | 9th May 1940 | Box 132 \ 1 scan0162 | |
| Production of a B.60 crankshaft with integral balance weights. | 13th May 1940 | Box 132 \ 1 scan0163 | |
| Use of a Trebel dynamic balancing machine for crankshafts. | 24th Apr 1940 | Box 132 \ 1 scan0164 | |
| Letter to Park Ward & Co. regarding the methodology of vehicle body weight analysis and proposing a collaboration. | 5th Jul 1937 | Box 132 \ 2 scan0001 | |
| Page two of a letter discussing sending a 3.B.IV. car for inspection. | 6th Jul 1937 | Box 132 \ 2 scan0002 | |
| Pre-paid telegram message arranging a meeting with Mr. Dodd. | 6th Jul 1937 | Box 132 \ 2 scan0003 | |
| Telegram received by telephone regarding an employee being on holiday. | 6th Jul 1937 | Box 132 \ 2 scan0004 | |
| Telegram to Robotham at Roycar in Derby, advising that Ward is on holiday. | 26th Jul 1932 | Box 132 \ 2 scan0005 | |
| Visit to Park Wards & Sales regarding radiator shutters, a water thermometer, and weighing a steel Bentley body. | 8th Jul 1937 | Box 132 \ 2 scan0006 | |
| Letter from coachbuilder Park Ward & Co. Ltd. confirming cooperation on a scheme to weigh a Bentley body. | 8th Jul 1937 | Box 132 \ 2 scan0007 | |
| Requesting weight analyses on a Vauxhall car, a Peregrine engine, and a Wraith cylinder block. | 24th Aug 1937 | Box 132 \ 2 scan0008 | |
| Weight analysis and simplification of chassis parts by comparing with competitor American practices for a new project called 'Phoenix'. | 27th Jun 1937 | Box 132 \ 2 scan0009 | |
| Letter to Park Ward & Co. Ltd arranging a visit to weigh a Bentley body and to fix rattles and creaks on car B-23-AE. | 29th Aug 1937 | Box 132 \ 2 scan0010 | |
| Letter to coachbuilder Park Ward Ltd. regarding the weight analysis of a car body. | 1st Sep 1930 | Box 132 \ 2 scan0011 | |
| Weight analysis report comparing various vehicle chassis and components. | 3rd Sep 1937 | Box 132 \ 2 scan0012 | |
| Comparison of frames and suspension systems between Oldsmobile, Wraith, and Bentley III models. | 3rd Sep 1937 | Box 132 \ 2 scan0013 | |
| Comparison of road springs, rear axles, and braking systems between Bentley, Oldsmobile, and a new project. | 3rd Sep 1937 | Box 132 \ 2 scan0014 | |
| Review of vehicle components, comparing them to competitors and outlining improvements for the 'Phoenix' project. | 3rd Sep 1937 | Box 132 \ 2 scan0015 | |
| Comparing engine designs against an Oldsmobile, noting shortcomings and advising on future development. | 3rd Sep 1937 | Box 132 \ 2 scan0016 | |
| Letter from coachbuilders Park Ward & Co. Ltd. regarding a Mr. Cra'ster's visit and the preparation of parts and photographs. | 7th Sep 1937 | Box 132 \ 2 scan0017 | |
| Letter to Messrs. Park Ward & Co. Ltd. regarding a planned visit to London. | 9th Sep 1937 | Box 132 \ 2 scan0018 | |
| Letter to Messrs. Park Ward Ltd. arranging a visit to their London premises. | 13th Sep 1937 | Box 132 \ 2 scan0019 | |
| Requesting the reassembly of the Peregrine engine after the completion of a weight analysis. | 1st Oct 1937 | Box 132 \ 2 scan0020 | |
| Continuation of weight analysis tasks after an employee's departure and requesting assistance for their replacement. | 28th Oct 1937 | Box 132 \ 2 scan0021 | |
| Personnel change for weight analyses and a request for weights of the first Wraith engine and Bentley III parts. | 28th Oct 1937 | Box 132 \ 2 scan0022 | |
| Reassigning weight analysis duties and the urgent need for weights of Wraith engine and Bentley III parts. | 28th Oct 1937 | Box 132 \ 2 scan0023 | |
| Letter from coachbuilder Park Ward & Co. Ltd concerning the weight analysis of a standard steel Bentley Saloon body. | 2nd Nov 1937 | Box 132 \ 2 scan0024 | |
| Letter to Park Ward & Co. Ltd., acknowledging the receipt and usefulness of weight analysis photographs. | 5th Nov 1937 | Box 132 \ 2 scan0025 | |
| Letter to Park Ward & Co. Ltd. regarding a weight analysis of a body and requesting a comparative analysis for a Bentley. | 18th Nov 1937 | Box 132 \ 2 scan0026 | |
| Requesting weight analysis sheets and front/rear axle weights for several experimental cars. | 22th Dec 1937 | Box 132 \ 2 scan0027 | |
| Urgency of completing a weight analysis for a new chassis to avoid design modifications and production delays. | 24th Jan 1938 | Box 132 \ 2 scan0028 | |
| Following up on a request for a weight analysis of several car models. | 1st Mar 1938 | Box 132 \ 2 scan0029 | |
| Visit to the Talbot showrooms to inspect the 3 Litre Talbot, including a list of vehicle weights. | 5th May 1938 | Box 132 \ 2 scan0030 | |
| Notice detailing the weight of an S.S. Jaguar chassis, listing included and excluded components. | 12th May 1938 | Box 132 \ 2 scan0031 | |
| Comparative weights analysis of various gearboxes including Bentley, Wraith, and S.S. Jaguar models. | 27th May 1938 | Box 132 \ 2 scan0032 | |
| Weight breakdown of an S.S. Jaguar engine by component section. | 10th Jun 1938 | Box 132 \ 2 scan0033 | |
| Requesting a weight comparison analysis between Jaguar and Bentley vehicles. | 4th Aug 1938 | Box 132 \ 2 scan0034 | |
| Breakdown of weights for the Wraith chassis, accessories, and extra components. | 30th Aug 1938 | Box 132 \ 2 scan0035 | |
| Comparative weights analysis of the body, frame, and front end suspension for a Bentley 4¼-Litre and an S.S. 3½-Litre. | 30th Aug 1938 | Box 132 \ 2 scan0036 | |
| Comparative weights analysis of S.S. and Bentley car components. | 30th Aug 1938 | Box 132 \ 2 scan0037 | |
| Weight comparison of S.S. and Bentley components, including brake drums, engine, and clutch parts. | 30th Aug 1938 | Box 132 \ 2 scan0038 | |
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