| Description | Date | Identifier | |
| Sending particulars for the front axle forgings. | 27th Nov 1925 | Box 12 \ 1 01-page004 | |
| Method of applying single-point lubrication to a front axle as a separate experiment. | 5th Dec 1925 | Box 12 \ 1 01-page005 | |
| New design for a side steering lever with a loose ball end for the front axle. | 22th Dec 1925 | Box 12 \ 1 01-page006 | |
| Modifications to the front axle forging and steering levers. | 19th Dec 1925 | Box 12 \ 1 01-page007 | |
| Front axle design changes and sending associated drawing N.sch.2102. | 9th Dec 1925 | Box 12 \ 1 01-page008 | |
| Drawings and proposed modifications for a rear axle design. | 15th Jan 1926 | Box 12 \ 1 01-page009 | |
| From DA to Hs discussing a delayed visit to Derby and work on the India steering and EAC.7 brakes. | 9th Feb 1926 | Box 12 \ 1 01-page010 | |
| Confirmation of a wire about fitting an improved Phantom axle to car 'Twelve EX'. | 24th Mar 1926 | Box 12 \ 1 01-page011 | |
| Modifications and required parts for the Front Axle and Brakes. | 5th Jun 1926 | Box 12 \ 1 01-page012 | |
| Instructions for adding a boss to an Axle Forging for an Enots Lubricator. | 5th Jun 1926 | Box 12 \ 1 01-page013 | |
| Reviewing the design of a new front axle for EAC. 8, detailing flaws and suggesting improvements. | 10th Jun 1926 | Box 12 \ 1 01-page014 | |
| Steering improvements on model EAC.8 with a lighter front axle and spring adjustments. | 10th Jun 1926 | Box 12 \ 1 01-page015 | |
| Modifications for the machining of the Phantom front axle pivots and associated forging dies. | 18th Jun 1926 | Box 12 \ 1 01-page016 | |
| Instructions for improvements to the 12-EX Front Axle. | 26th Jun 1926 | Box 12 \ 1 01-page017 | |
| Progress of experimental parts and testing for the 12-EX car destined for France. | 30th Jun 1926 | Box 12 \ 1 01-page018 | |
| Modifications to the front axle forging, brake gear, and shock damper mounting. | 10th Jul 1926 | Box 12 \ 1 01-page019 | |
| Fitting new steel artillery wheels and a new axle to a Phantom model, with modifications to hubs and bearings. | 1st Aug 1926 | Box 12 \ 1 01-page020 | |
| Steering troubles on car 12-EX and the proposed solution of adding friction to the pivots. | 20th Aug 1926 | Box 12 \ 1 01-page021 | |
| Internal memorandum discussing steering wobbles and modifications for the 12-EX model, including axle changes and damping friction. | 20th Aug 1926 | Box 12 \ 1 01-page022 | |
| Standard method for measuring steering friction in pivots and linkages on axles. | 10th Sep 1926 | Box 12 \ 1 01-page023 | |
| Cover sheet regarding a report on tests for the Phantom's lightened type front axle. | 20th Sep 1926 | Box 12 \ 1 01-page024 | |
| Summary of tests conducted on a lightened front axle and its related components. | 20th Sep 1926 | Box 12 \ 1 01-page025 | |
| Comparison report on the performance of a standard versus a lightened front axle. | 20th Sep 1926 | Box 12 \ 1 01-page026 | |
| Tests concerning low-speed wobbles, steering friction, and tyres. | 20th Sep 1926 | Box 12 \ 1 01-page027 | |
| Tyre performance, specifically addressing steering, wobbles, and the effects of pressure and balancing. | 20th Sep 1926 | Box 12 \ 1 01-page028 | |
| Tyre performance, pressure settings, and their effect on car control and suspension. | 20th Sep 1926 | Box 12 \ 1 01-page029 | |
| Effects of various spring settings on vehicle ride, handling, and steering. | 20th Sep 1926 | Box 12 \ 1 01-page030 | |
| Experiments with steering arrangements, shocks, and front road springs. | 20th Sep 1926 | Box 12 \ 1 01-page031 | |
| The performance characteristics of Lemoine 1250 and 1300 lbs springs. | 20th Sep 1926 | Box 12 \ 1 01-page032 | |
| Blueprint showing load versus deflection graphs for singly and doubly arranged springs. | 22th Sep 1926 | Box 12 \ 1 01-page033 | |
| Steering tests on pivot axles and modifications to rear hydraulic dampers. | 22th Sep 1926 | Box 12 \ 1 01-page034 | |
| Steering tests related to pivot inclination and its effects on lightness, stability, and self-centering. | 22th Sep 1926 | Box 12 \ 1 01-page035 | |
| Steering tests comparing a standard axle with one modified to have vertical king pins, analyzing steering effort and pivot inclination. | 22th Sep 1926 | Box 12 \ 1 01-page036 | |
| Testing the effects of transverse rake and pivot inclination on the steering effort for a 20 HP axle. | 22th Sep 1926 | Box 12 \ 1 01-page037 | |
| Comparison of transverse pivot inclination and its effect on steering effort for different axle types. | 22th Sep 1926 | Box 12 \ 1 01-page038 | |
| Blueprint comparing five different axle and pivot designs, ordered by the resulting heaviness of the steering. | 22th Sep 1926 | Box 12 \ 1 01-page039 | |
| Tests conducted on an experimental V-series axle, focusing on handling, steering, and wobble characteristics compared to a standard axle. | 22th Sep 1926 | Box 12 \ 1 01-page040 | |
| Report page detailing inferences from steering tests, focusing on stability, pivot types, and wheel configurations. | 22th Sep 1926 | Box 12 \ 1 01-page041 | |
| Continued report on steering problems, including sluggishness, road shocks, and wobbles. | 22th Sep 1926 | Box 12 \ 1 01-page042 | |
| Confirming a trial for a new C2 series axle with modified pivot trail geometry. | 22th Sep 1926 | Box 12 \ 1 01-page043 | |
| Adjustable and spring-loaded friction for the Phantom steering system. | 23th Sep 1926 | Box 12 \ 1 01-page044 | |
| Front axle tests concerning steering issues when braking on a lock. | 1st Oct 1926 | Box 12 \ 1 01-page045 | |
| Analysis of steering issues related to front pivot lean, spring strength, and braking. | 1st Oct 1926 | Box 12 \ 1 01-page046 | |
| Tests conducted on front brake efficiency and its effect on steering control with varying 'out of centrepoint' measurements. | 1st Oct 1926 | Box 12 \ 1 01-page047 | |
| Steering feedback, front axle control, and the advantages and disadvantages of helical springs. | 22th Sep 1926 | Box 12 \ 1 01-page048 | |
| Standardisation of dust excluders for the new type front axle. | 22th Sep 1926 | Box 12 \ 1 01-page049 | |
| Instructions for alterations to the Phantom's front brake shoes to prevent rattle. | 22th Oct 1926 | Box 12 \ 1 01-page050 | |
| Standardisation of a front axle to reduce weight. | 23th Sep 1926 | Box 12 \ 1 01-page051 | |
| Covering memo for Standardisation Sheet X.7420 regarding the Front Axle. | 8th Nov 1926 | Box 12 \ 1 01-page052 | |
| Experiments to increase the front axle control damper lever from 12' to 14' on the Phantom. | 23th Dec 1926 | Box 12 \ 1 01-page053 | |
| Investigation into fitting shock damper front axle control to an EAC.7 chassis, detailing necessary modifications. | 1st Jun 1927 | Box 12 \ 1 01-page054 | |
| Accessibility and placement of shock dampers for the axle control on the Phantom & EAC. 7 model. | 27th May 1927 | Box 12 \ 1 01-page055 | |
| Examination of a bumper axle to investigate steering performance issues. | 9th Jun 1927 | Box 12 \ 1 01-page056 | |
| Standardisation sheet for front axle torque control. | 22th Jun 1927 | Box 12 \ 1 01-page057 | |
| Implementation specifics for fitting a new part to an F series chassis. | 1st Apr 1928 | Box 12 \ 1 01-page058 | |
| Lowering of chassis for 20 HP and Phantom models by reducing packing. | 17th Nov 1927 | Box 12 \ 1 01-page059 | |
| Spring specifications for the Phantom Chassis F2 series front axle damper control. | 7th Dec 1927 | Box 12 \ 1 01-page060 | |
| Modification and fitting of a Front Axle Control Damper for specific chassis models. | 1st Jan 1928 | Box 12 \ 1 01-page061 | |
| The required parts for the Front Axle Control Damper, specifically for the E.A.C. 7 chassis. | 12th Jan 1928 | Box 12 \ 1 01-page062 | |
| Suggestions for engine mounting and damper systems for a 6-cylinder engine. | 19th Feb 1928 | Box 12 \ 1 01-page063 | |
| Proposal for a new, dropped front axle for the 'SS' model to achieve a lower car profile. | 26th Mar 1928 | Box 12 \ 1 01-page064 | |
| Adjustment issues with the front axle control during production. | 28th Mar 1928 | Box 12 \ 1 01-page065 | |
| Sending drawings that illustrate the effect of proposed modifications to the 'SS' front axle. | 5th Apr 1928 | Box 12 \ 1 01-page066 | |
| Lowering the 'SS' front axle and frame, and a proposal for a new front road wheel hub bearing design. | 4th Jul 1928 | Box 12 \ 1 01-page067 | |
| Improvements to the Phantom steering system, comparing it to the Hispano and suggesting hydraulic damping. | 25th Apr 1928 | Box 12 \ 1 01-page068 | |
| Necessary increase in the length of the Phantom steering pendulum lever to 10 inches. | 1st May 1928 | Box 12 \ 1 01-page069 | |
| Alternative proposals for the re-arrangement of the centralised lubrication on the front axle. | 10th May 1928 | Box 12 \ 1 01-page070 | |
| New design of a damped pendulum lever with leaf springs for the 'SS' steering system. | 17th May 1928 | Box 12 \ 1 01-page071 | |
| Proposed changes to the axle control damper spindle for centralised chassis lubrication. | 19th May 1928 | Box 12 \ 1 01-page072 | |
| Centralised chassis lubrication, referencing schedule N.sch.2615. | 26th May 1928 | Box 12 \ 1 01-page073 | |
| Frame heights, front axle modifications, and other related design considerations for a car model. | 5th Jun 1928 | Box 12 \ 1 01-page074 | |
| Sending layout N.sch.2628 for the 'SS' side steering tube and front springs, detailing a modified axle height. | 13th Jun 1928 | Box 12 \ 1 01-page075 | |
| Difficulty with pivot lubrication filters choking up and a suggestion for a redesigned filter. | 28th Jun 1928 | Box 12 \ 1 01-page076 | |
| Front axle tests detailing alterations to reduce high-speed wobble and road shocks. | 18th Jun 1928 | Box 12 \ 1 01-page077 | |
| Steering and braking experiments involving king pin angles, stub axles, and bearings. | 19th Jun 1938 | Box 12 \ 1 01-page078 | |
| Modifications to the 'SS' front axle control and shock damper. | 19th Jun 1938 | Box 12 \ 1 01-page079 | |
| Proposed adjustable, spring-loaded ball joint for the front axle control. | 21th Jun 1928 | Box 12 \ 1 01-page080 | |
| Request to alter the rubber engine mounting and pivots for vehicle 10-EX to scheme Hs.156. | 22th Jun 1928 | Box 12 \ 1 01-page081 | |
| Requesting a test on lengthened stub axles for the 'SS' Front Axle due to concerns about unbalanced forces. | 22th Jun 1928 | Box 12 \ 1 01-page082 | |
| Wheel balance tolerances and their effect on high-speed wobbles for the 'SS' front axle. | 27th Jun 1928 | Box 12 \ 1 01-page083 | |
| Lubrication of the 'SS' model's axle control and its potential application on the Phantom model. | 25th Jul 1928 | Box 12 \ 1 01-page084 | |
| Modifications to the 'SS' brake differentials and associated components. | 28th Jul 1928 | Box 12 \ 1 01-page085 | |
| Changing the cantilever bearing on the gearbox to a forged piece. | 28th Aug 1928 | Box 12 \ 1 01-page086 | |
| Reporting failures with the engine feet during a bump test and requesting modifications for further endurance testing. | 21th Sep 1928 | Box 12 \ 1 01-page087 | |
| Modifications to a new front axle design to improve vehicle stability and reduce issues like tramping and wobbling. | 21th Sep 1928 | Box 12 \ 1 01-page088 | |
| Modifications to the 'SS' front axle to improve stability and reduce steering shocks. | 21th Sep 1928 | Box 12 \ 1 01-page089 | |
| The placement of front axle control dampers on a Phantom chassis. | 9th Oct 1928 | Box 12 \ 1 01-page090 | |
| Requesting a drawing for modified levers on axle control hydraulic dampers. | 17th Oct 1923 | Box 12 \ 1 01-page091 | |
| Single point lubrication system for the front axle. | 31th Oct 1928 | Box 12 \ 1 01-page092 | |
| Proposals for a centralised chassis lubrication system for the front axle. | 3rd Nov 1928 | Box 12 \ 1 01-page093 | |
| Proposing modifications to the 'SS' front axle, specifically regarding the mud excluder and lower lever. | 8th Nov 1928 | Box 12 \ 1 01-page094 | |
| Necessity of air vessels for the rear axle's centralised lubrication system. | 9th Nov 1928 | Box 12 \ 1 01-page095 | |
| Failures of levers on the front axle control damper and proposing parts be strengthened. | 13th Nov 1928 | Box 12 \ 1 01-page096 | |
| Blueprint diagram showing pressure and return lines. | 13th Nov 1928 | Box 12 \ 1 01-page097 | |
| Blueprint diagram illustrating a fracture on a broken lever. | 13th Nov 1928 | Box 12 \ 1 01-page098 | |
| Lever failures in the front axle control damper during bumper tests and analysis of potential causes. | 13th Nov 1928 | Box 12 \ 1 01-page099 | |
| Requesting a missing sketch and posing questions about the front axle control damper's lever stress and pressure velocity effect. | 16th Nov 1928 | Box 12 \ 1 01-page100 | |
| Test findings on an 'SS' Axle Control Damper regarding air vent placement. | 17th Nov 1928 | Box 12 \ 1 01-page101 | |
| Requesting the deletion of the air vent from the 'SS' axle control damper. | 17th Nov 1928 | Box 12 \ 1 01-page102 | |
| Simplified method for adjusting 'SS' shock damper spring load using washers. | 17th Nov 1928 | Box 12 \ 1 01-page103 | |
| | | | |
