| Description | Date | Identifier | |
| Proposed welded construction for the Wraith III steering column outer tube as an alternative to brazing. | 27th Apr 1937 | Box 9 \ 7 07-page052 | |
| Proposal to manufacture the Wraith III steering column using welding instead of brazing. | 17th Apr 1937 | Box 9 \ 7 07-page053 | |
| Requesting a factory cost estimate for experimentally modified steering ball joints for the Wraith III. | 5th May 1937 | Box 9 \ 7 07-page054 | |
| Recommendation to maintain the dip brazing construction for the Wraith III steering column over the suggested use of welding. | 13th May 1937 | Box 9 \ 7 07-page055 | |
| Cost-effectiveness of brazing versus welding for the Wraith III steering column assembly. | 13th May 1937 | Box 9 \ 7 07-page056 | |
| The delay in producing modified ball joints for the Wraith steering system. | 1st Jun 1937 | Box 9 \ 7 07-page057 | |
| Assembly and adjustment issues with the Wraith steering column and box. | 25th Jun 1937 | Box 9 \ 7 07-page058 | |
| Lack of similar American steering designs with a detachable end to the box. | 25th Jun 1937 | Box 9 \ 7 07-page059 | |
| Assembly issues and potential redesign of the Wraith steering column and box. | 25th Jun 1937 | Box 9 \ 7 07-page060 | |
| The absence of American steering designs with a detachable end to the box, requesting feedback before design modification. | 25th Jun 1937 | Box 9 \ 7 07-page061 | |
| The risks of removing steering ball pins and a request to create a special extractor tool for the Wraith and Continental Ph.III. | 26th Jun 1937 | Box 9 \ 7 07-page062 | |
| Modifications to the Wraith steering system to improve performance and reduce friction. | 26th Jun 1937 | Box 9 \ 7 07-page063 | |
| Opinion on the adjusting washers and disassembly procedures for the Wraith steering column and box. | 29th Jun 1937 | Box 9 \ 7 07-page064 | |
| Lost Wraith steering box with cut-outs and a request for a replacement. | 2nd Jul 1937 | Box 9 \ 7 07-page065 | |
| Friction load issues with the Wraith steering ball joints, recommending alterations to the drawings. | 13th Jul 1937 | Box 9 \ 7 07-page066 | |
| Cost investigation of modified steering ball joints for the Wraith III. | 5th May 1937 | Box 9 \ 7 07-page067 | |
| Test report on an experimental V-series axle with vertical king pins, focusing on steering performance. | 15th Aug 1937 | Box 9 \ 7 07-page068 | |
| Steering performance, discussing geometry, stability, and various pivot configurations. | 22th Sep 1926 | Box 9 \ 7 07-page069 | |
| Vehicle steering performance, road shocks, and wobbles. | 22th Sep 1926 | Box 9 \ 7 07-page070 | |
| Steering tests investigating the effects of pivot inclination on a new axle design. | 22th Sep 1926 | Box 9 \ 7 07-page071 | |
| Steering tests with altered axles and vertical king pins, including a diagram of transversally raked pivots. | 22th Sep 1936 | Box 9 \ 7 07-page072 | |
| Effects of wheel centre position and transverse rake on steering effort. | 22th Sep 1926 | Box 9 \ 7 07-page073 | |
| Technical comparison of Transverse Pivot Inclination and steering effort for different axle series. | 22th Sep 1936 | Box 9 \ 7 07-page074 | |
| Comparative blueprint diagram illustrating different axle and pivot arrangements and their effect on steering heaviness. | 16th Aug 1937 | Box 9 \ 7 07-page075 | |
| Modification to the Wraith steering gear to improve clearance. | 16th Aug 1937 | Box 9 \ 7 07-page076 | |
| Requesting the production of three Wraith steering boxes in cast aluminium for testing. | 31th Aug 1937 | Box 9 \ 7 07-page077 | |
| Oil leak on the Wraith type steering gear and requesting a design modification. | 10th Sep 1937 | Box 9 \ 7 07-page078 | |
| Requesting design details for modified yoke pieces to test a new caster angle on the Wraith steering. | 13th Sep 1937 | Box 9 \ 7 07-page079 | |
| Request to fit ball pins FW.1518 to the cross steering tubes of a car. | 15th Sep 1937 | Box 9 \ 7 07-page080 | |
| Requesting the machining of yoke forgings to test a reduced castor angle on the Wraith steering. | 20th Sep 1937 | Box 9 \ 7 07-page081 | |
| Modifications to the Steering Box for the Wraith III model. | 21th Sep 1937 | Box 9 \ 7 07-page082 | |
| Requesting the fitting of steering components and rectification of a rattling horn button on chassis 25-G-VI. | 29th Sep 1937 | Box 9 \ 7 07-page083 | |
| Scheme for adding extra lugs on the Pendulum Lever for the Wraith III steering gear. | 28th Feb 1937 | Box 9 \ 7 07-page084 | |
| Scheme to fix an oil leak on the Wraith III steering column by stiffening the flange on the bottom support bracket. | 30th Sep 1937 | Box 9 \ 7 07-page085 | |
| Repair of a 25.G.VI steering box due to damaged lock stops. | 5th Oct 1937 | Box 9 \ 7 07-page086 | |
| Scheme for modifying the steering column controls for the Wraith III model, detailing changes due to the elimination of the ignition control. | 7th Oct 1937 | Box 9 \ 7 07-page087 | |
| Requesting modifications to the steering system on a Wraith chassis due to excessive joggling. | 8th Oct 1937 | Box 9 \ 7 07-page088 | |
| Order for 6 sets of side steering tube parts for the Wraith III chassis. | 13th Oct 1937 | Box 9 \ 7 07-page089 | |
| Parts order memo for the Wraith III chassis steering column and box. | 28th Oct 1937 | Box 9 \ 7 07-page090 | |
| Requesting official instructions for a steering modification on the Wraith model following experimental tests. | 8th Nov 1937 | Box 9 \ 7 07-page091 | |
| Instruction regarding the machining of Wraith steering yoke pieces following a telephone conversation. | 8th Nov 1937 | Box 9 \ 7 07-page092 | |
| Specifications for springs to be used in the Wraith steering system. | 8th Nov 1937 | Box 9 \ 7 07-page093 | |
| Fitting of new yoke pieces and springs to an experimental Wraith chassis for testing. | 8th Nov 1937 | Box 9 \ 7 07-page094 | |
| Modified rear spring for the side steering tube on a Wraith III chassis. | 17th Nov 1937 | Box 9 \ 7 07-page095 | |
| Steering castor angle discrepancies on two chassis and requesting further measurements. | 7th Dec 1937 | Box 9 \ 7 07-page096 | |
| Wraith steering characteristics, over-steer, under-steer, and investigations on a skid pan. | 17th Dec 1937 | Box 9 \ 7 07-page097 | |
| Analysis of steering characteristics for the Wraith model, with a corresponding steering angle curve graph. | 17th Dec 1937 | Box 9 \ 7 07-page098 | |
| Page discussing steering characteristics and the effects of rear stabilisers, featuring a graph of steering angle curves. | 17th Dec 1937 | Box 9 \ 7 07-page099 | |
| Page showing steering angle curves for a Wraith without a roll rod under various conditions. | 17th Dec 1937 | Box 9 \ 7 07-page100 | |
| Page discussing tyre pressures and showing a photograph of an Oldsmobile steering rod rig. | 17th Dec 1937 | Box 9 \ 7 07-page101 | |
| Report page detailing improvements in vehicle handling and roll, including a graph of steering angle curves for a Wraith. | 17th Dec 1937 | Box 9 \ 7 07-page102 | |
| Claims for the benefits of a front roll rod and an appendix on Skid Pan testing methodology. | 17th Dec 1937 | Box 9 \ 7 07-page103 | |
| Comparative tyre cornering, squealing and skidding tests on a Bentley, alongside other skid-pan trials. | 17th Dec 1937 | Box 9 \ 7 07-page104 | |
| Request to manufacture four pivot thrust washers for the Wraith steering system from a new Bakelite material. | 31th Dec 1937 | Box 9 \ 7 07-page105 | |
| Issue with Wraith steering pivots and bushes, proposing a trial of copper deposited pins. | 4th Jan 1938 | Box 9 \ 7 07-page106 | |
| Steering tightening issues on the Wraith model due to a seizing pivot bush and proposing a needle roller bearing as a solution. | 10th Jan 1938 | Box 9 \ 7 07-page107 | |
| Investigation into a steering problem on the Wraith model, specifically concerning friction in the pivot pins. | 10th Jan 1938 | Box 9 \ 7 07-page108 | |
| Steering issues with pivot pins and yokes, proposing material trials for improvement. | 10th Jan 1938 | Box 9 \ 7 07-page109 | |
| Table detailing steering pivot pin loads for various chassis models. | 11th Jan 1938 | Box 9 \ 7 07-page110 | |
| Inquiry to Vandervell Products Ltd. regarding a bearing issue with the 25/30 HP steering pivot pin. | 11th Jan 1938 | Box 9 \ 7 07-page111 | |
| Letter from Vandervell Products Ltd. proposing 'Clevite' material for a Bush and detailing its specifications. | 14th Jan 1938 | Box 9 \ 7 07-page112 | |
| Letter from Vandervell Products Ltd. discussing the best material for Steering Pivot Pins. | 14th Jan 1938 | Box 9 \ 7 07-page113 | |
| Engineering drawing for a Clevite bush with oil groove details. | 2nd Feb 1937 | Box 9 \ 7 07-page114 | |
| Blueprint for a bush component with an oil groove. | 19th Aug 1936 | Box 9 \ 7 07-page115 | |
| Blueprint for a Clevite bush with dimensions and inspection methods. | 15th Oct 1935 | Box 9 \ 7 07-page116 | |
| Trial of bakelite material for pivot pin bushes on the Wraith steering system. | 18th Jan 1938 | Box 9 \ 7 07-page117 | |
| Letter to Vandervell Products Ltd. requesting six Clevite bush samples for trial, following up on a previous correspondence. | 18th Jan 1938 | Box 9 \ 7 07-page118 | |
| Official order for 6 bushes for the Wraith model from supplier Vandervell Products Ltd. | 18th Jan 1938 | Box 9 \ 7 07-page119 | |
| Specification sheet for Wraith steering gear preloads. | 19th Jan 1938 | Box 9 \ 7 07-page120 | |
| Hoffmann type needle roller bearing for the Wraith Front Pivots. | 19th Jan 1938 | Box 9 \ 7 07-page121 | |
| Request to manufacture and modify parts for an apparatus to measure the castor angle on a Wraith chassis. | 20th Jan 1938 | Box 9 \ 7 07-page122 | |
| Letter from Vandervell Products Ltd. discussing alternative arrangements for a Clevite Bush in a Pivot Pin. | 21th Jan 1938 | Box 9 \ 7 07-page123 | |
| Blueprint detailing the specifications for a grooved bronze bush. | 31th Dec 1936 | Box 9 \ 7 07-page124 | |
| Blueprint detailing the installation of a bronze bush into a stub-axle for a 25/30 HP model. | 20th Jan 1938 | Box 9 \ 7 07-page125 | |
| Letter to Hoffmann Manufacturing Co. regarding issues with a 25/30 HP steering pivot pin bearing and a proposed change to a needle bearing. | 22th Jan 1938 | Box 9 \ 7 07-page126 | |
| Letter regarding the quality issues of received steering rollers, specifically their softness and lack of preload. | 22th Jan 1938 | Box 9 \ 7 07-page127 | |
| Modified steering cam and tube for the Wraith III chassis to utilize incorrectly machined parts. | 22th Jan 1938 | Box 9 \ 7 07-page128 | |
| Letter to Vandervell Products Ltd. regarding the application of their split bearings, washers, and steel sleeves for experimental trials. | 24th Jan 1938 | Box 9 \ 7 07-page129 | |
| Acknowledgment of an enquiry from The Hoffmann Manufacturing Co. Ltd. | 24th Jan 1938 | Box 9 \ 7 07-page130 | |
| Letter from Hoffmann Manufacturing Co. Ltd. discussing specifications for a special outer race and needle rollers. | 25th Jan 1938 | Box 9 \ 7 07-page131 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. regarding a design modification using a needle roller bearing. | 25th Jan 1938 | Box 9 \ 7 07-page132 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. regarding the dispatch of Special Needle Roller Bearings. | 27th Jan 1938 | Box 9 \ 7 07-page133 | |
| Letter from Vandervell Products Ltd. regarding objections to a Sleeve and details on a Thrust Washer. | 28th Jan 1938 | Box 9 \ 7 07-page134 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. confirming the dispatch of J.385 Needle Roller Bearings. | 29th Jan 1938 | Box 9 \ 7 07-page135 | |
| Fitting PD.97 needle roller lower pivot bearings to experimental Wraith front axle pivots. | 31th Jan 1938 | Box 9 \ 7 07-page136 | |
| Quotation from Hoffmann Manufacturing for Special Needle Roller Bearings. | 31th Jan 1938 | Box 9 \ 7 07-page137 | |
| Letter to a supplier regarding specifications for bearings, stub axles, and requesting a quotation. | 1st Feb 1938 | Box 9 \ 7 07-page138 | |
| Page two of a letter discussing the specifications for a pin, needle bearing, and roller bearing. | 1st Feb 1938 | Box 9 \ 7 07-page139 | |
| Acknowledgment of an enquiry from The Hoffmann Manufacturing Co. Ltd. | 2nd Feb 1938 | Box 9 \ 7 07-page140 | |
| The return of an unsatisfactory steering roller to the manufacturer for a free replacement. | 3rd Feb 1938 | Box 9 \ 7 07-page141 | |
| Letter to Hoffmann Manufacturing Co. Ltd. regarding a faulty steering roller and requesting a replacement with future specifications. | 3rd Feb 1938 | Box 9 \ 7 07-page142 | |
| Letter to Vandervell Products Ltd. regarding the trial of their thin wall bearings and a request for parts. | 3rd Feb 1938 | Box 9 \ 7 07-page143 | |
| Forwarding a letter to Vandervell Products Ltd. regarding bushes and thrust washers. | 4th Feb 1938 | Box 9 \ 7 07-page144 | |
| Modifications to the Wraith steering to eliminate joggles by fitting weaker springs. | 7th Feb 1938 | Box 9 \ 7 07-page145 | |
| Quotation letter from Vandervell Products Ltd. regarding bushes and thrust washers. | 8th Feb 1938 | Box 9 \ 7 07-page146 | |
| Blueprint detailing the installation of a bush in a stub-axle for a 25/30 HP model. | 8th Feb 1938 | Box 9 \ 7 07-page147 | |
| Fitting of needle bearing steering pivots to a specific Wraith chassis. | 9th Feb 1938 | Box 9 \ 7 07-page148 | |
| Letter from Vandervell Products Ltd. regarding an order for 'Clevite' bushes and accompanying prints. | 14th Feb 1938 | Box 9 \ 7 07-page149 | |
| Diagram for the installation of a bush in a stub-axle for a 25/30 HP model. | 2nd Feb 1938 | Box 9 \ 7 07-page150 | |
| Blueprint for a plain bush, specifically a lower stub axle bush. | 8th Feb 1938 | Box 9 \ 7 07-page151 | |
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