| Description | Date | Identifier | |
| Reasons for implementing a stepped dashboard on Phantom & Goshawk models. | 13th Oct 1925 | Box 67 \ 3 scan0310 | |
| Alteration to the lubrication scheme for front axle pivot pins. | 15th Oct 1925 | Box 67 \ 3 scan0311 | |
| Comparing top and centre lubrication methods for the Phantom's steering pivots. | 10th Oct 1925 | Box 67 \ 3 scan0312 | |
| Dissatisfaction with the steering on car 8-EX, delaying a 10,000-mile test until the issue is corrected. | 28th Oct 1925 | Box 67 \ 3 scan0313 | |
| Revised seating positions, pedal layout, and steering wheel size. | 22th Oct 1925 | Box 67 \ 3 scan0314 | |
| Prohibitively heavy weight of a trial car body and the standard steering wheel size. | 29th Oct 1925 | Box 67 \ 3 scan0315 | |
| The manufacturing status of a modified steering system for the 'New Phantom' chassis No. 8-EX. | 6th Nov 1925 | Box 67 \ 3 scan0316 | |
| Issues with non-standard wheels and tyres on the 'New Phantom' Chassis No. 8-EX, delaying testing. | 5th Nov 1925 | Box 67 \ 3 scan0317 | |
| Test report on the modified steering of a 'New Phantom' chassis, No. 8-EX. | 5th Nov 1925 | Box 67 \ 3 scan0318 | |
| Test report detailing observations on a car's performance and design flaws. | 5th Nov 1925 | Box 67 \ 3 scan0319 | |
| Forwarding an extract from a tester's report on a steering incident with a 'New Phantom' chassis. | 9th Nov 1925 | Box 67 \ 3 scan0320 | |
| Steering wheel and seat dimensions, with a suggestion for a trial modification. | 6th Nov 1925 | Box 67 \ 3 scan0321 | |
| New Phantom front axle design intended to reduce steering wobbles. | 16th Nov 1925 | Box 67 \ 3 scan0322 | |
| Tyre pressures and various steering system improvements, including dampers and a new axle design. | 8th Nov 1925 | Box 67 \ 3 scan0323 | |
| Proposed modifications to steering wheel and seat dimensions for better driver visibility. | 20th Nov 1925 | Box 67 \ 3 scan0324 | |
| Modifications to the 'D' steering and seat height to improve the driver's view over the radiator. | 23th Nov 1925 | Box 67 \ 3 scan0325 | |
| Bumper test for the latest Phantom steering system and its components. | 24th Nov 1925 | Box 67 \ 3 scan0326 | |
| High-speed steering wobbles and the effect of wheel plane proximity to the pivot pin. | 12th Jun 1925 | Box 67 \ 3 scan0327 | |
| Tests on steering wobbles, focusing on the effects of wheel dishing and friction in the king pin pivots. | 2nd Dec 1925 | Box 67 \ 3 scan0328 | |
| Fitting a new type of steering column to two Riviera trial cars and the required modifications. | 8th Dec 1925 | Box 67 \ 3 scan0329 | |
| Axle design modifications and experiments related to high-speed steering wobbles. | 11th Dec 1925 | Box 67 \ 3 scan0330 | |
| Diagnosing a steering stiffness complaint on chassis 11-EX after driving in wet and muddy conditions. | 29th Dec 1925 | Box 67 \ 3 scan0331 | |
| Standardisation report for a modified steering gear to reduce road shocks. | 10th Dec 1925 | Box 67 \ 4 scan0001 | |
| Customer complaint about rattling controls in the New Phantom steering column and proposing anti-rattle device solutions. | 23th Jan 1926 | Box 67 \ 4 scan0002 | |
| Comparing the efficiency of a new experimental steering system against the standard version, highlighting its poor performance and manufacturing faults. | 12th Feb 1926 | Box 67 \ 4 scan0003 | |
| Reduction of the spring rating for the side steering tube to reduce road shocks. | 2nd Feb 1926 | Box 67 \ 4 scan0004 | |
| Steering wobble issues on a customer's car and in other contemporary vehicles. | 12th Feb 1926 | Box 67 \ 4 scan0005 | |
| Continued note discussing wheel wobble issues, comparing the Phantom and Silver Ghost models. | 15th Feb 1926 | Box 67 \ 4 scan0006 | |
| The standardization and ordering of materials for the side lever mechanism. | 15th Feb 1926 | Box 67 \ 4 scan0007 | |
| Typed letter extract discussing the process for disagreeing with a Standardization Sheet. | 15th Feb 1926 | Box 67 \ 4 scan0008 | |
| Design and development of EAC controls, specifically magneto and column controls, and throttle ball joints. | 15th Feb 1926 | Box 67 \ 4 scan0009 | |
| Comparative test report on Marles steering versus the new Phantom steering system. | 16th Feb 1926 | Box 67 \ 4 scan0010 | |
| Continued technical comparison of Marles steering against other steering systems, focusing on steering ratio and efficiency. | 16th Feb 1926 | Box 67 \ 4 scan0011 | |
| Comparison of the relative irreversibility of two different steering systems. | 16th Feb 1926 | Box 67 \ 4 scan0012 | |
| Graph and data table comparing the steering movement ratio for the New Phantom (.720 Worm Lead) and Marles steering systems. | 8th Feb 1926 | Box 67 \ 4 scan0013 | |
| Testing and standardisation of a new, stiffer steering column for the 20 HP model. | 8th Feb 1926 | Box 67 \ 4 scan0014 | |
| Production difficulties and urgency regarding the new Phantom steering system. | 2nd Mar 1926 | Box 67 \ 4 scan0015 | |
| Production troubles with the New Phantom steering not self-centring readily. | 1st Mar 1926 | Box 67 \ 4 scan0016 | |
| Four broad improvements made to the New Phantom steering system. | 4th Mar 1926 | Box 67 \ 4 scan0017 | |
| Improvements for a worm and nut assembly, focusing on oil retention and comparing it to a Hispano design. | 3rd Mar 1926 | Box 67 \ 4 scan0018 | |
| Characteristics and performance of the New Phantom steering system compared to the old one. | 3rd Mar 1926 | Box 67 \ 4 scan0019 | |
| Complexity of fitting hydraulic shock absorbers and their effect on steering. | 10th Mar 1926 | Box 67 \ 4 scan0020 | |
| The standardisation of steering wheel size for the New Phantom model. | 10th Mar 1926 | Box 67 \ 4 scan0021 | |
| Specifying the use of 17 inch and 18 inch steering wheels for various vehicle series. | 11th Mar 1926 | Box 67 \ 4 scan0022 | |
| Proposal to standardize the steering wheel to an 18-inch diameter for the 'B.2.' Series. | 12th Mar 1926 | Box 67 \ 4 scan0023 | |
| Standardisation of chassis parts, regarding the modified position of accelerator pedals for 'B', 'C', & 'D' steering. | 19th Feb 1926 | Box 67 \ 4 scan0024 | |
| The effects of hydraulic shock dampers on riding comfort and steering. | 2nd Mar 1926 | Box 67 \ 4 scan0025 | |
| Continuation page of a memorandum discussing continental road and speed conditions. | 13th Mar 1926 | Box 67 \ 4 scan0026 | |
| Two potential causes for stiff steering on Chassis No. 22-LC, belonging to J. Spedan Lewis. | 13th Mar 1926 | Box 67 \ 4 scan0027 | |
| Performance data table for a Silver Ghost type nut and worm with 1.125 lead. | 13th Mar 1926 | Box 67 \ 4 scan0028 | |
| Disagreeing with altering the .720 worm standard, discussing nut casting and oil efficiency. | 13th Mar 1926 | Box 67 \ 4 scan0029 | |
| Containing an extract from a letter regarding improvements to the steering lock on the Phantom model. | 19th Mar 1926 | Box 67 \ 4 scan0030 | |
| The reduced steering lock and its subsequent review. | 23th Mar 1926 | Box 67 \ 4 scan0031 | |
| The trial results for a new 18-inch steering wheel on 'New Phantom' cars. | 25th Mar 1926 | Box 67 \ 4 scan0032 | |
| Opposition to adding friction on steering pivots via a friction plate scheme. | 26th Mar 1926 | Box 67 \ 4 scan0033 | |
| The potential reduction of the steering lock. | 26th Mar 1926 | Box 67 \ 4 scan0034 | |
| Steering adjustments and potential solutions for low-speed wobbles on 20 HP and 40/50 HP models. | 26th Mar 1926 | Box 67 \ 4 scan0035 | |
| Suggested bracket for stiffening the steering support on the 40/50 HP model. | 27th Mar 1926 | Box 67 \ 4 scan0036 | |
| Design and testing of a stiffening bracket for the 40/50 HP dashboard. | 27th Mar 1926 | Box 67 \ 4 scan0037 | |
| Clarifying previous points on suspension, tyres, and shock dampers for cars. | 31th Mar 1926 | Box 67 \ 4 scan0038 | |
| Page discussing vehicle suspension, handling, and tyre performance, focusing on shock dampers and speed wobbles. | 31th Mar 1926 | Box 67 \ 4 scan0039 | |
| Steering, tyres, and suspension systems with proposals for future testing and improvements. | 31th Mar 1926 | Box 67 \ 4 scan0040 | |
| Requesting a print of a temporary stiffening bracket scheme for the 40/50 steering system. | 31th Mar 1926 | Box 67 \ 4 scan0041 | |
| Design and improvement of a dashboard stiffener for the New Phantom steering gear. | 1st Apr 1926 | Box 67 \ 4 scan0042 | |
| Fitting a shorter steering column through the sheet metal dash for the 10,000 miles India car. | 4th Feb 1926 | Box 67 \ 4 scan0043 | |
| Modifications to the Phantom's aluminium engine for lighter weight and increased horsepower. | 11th Apr 1926 | Box 67 \ 4 scan0044 | |
| Standardisation of the steering wheel to 18 inch diameter for all cars. | 16th Mar 1926 | Box 67 \ 4 scan0045 | |
| Design and performance of the E. A. C. steering system, comparing it to competitors and suggesting improvements. | 17th Apr 1926 | Box 67 \ 4 scan0046 | |
| Modifications required to fit hydraulic shock dampers to the 7-EX model. | 17th Apr 1926 | Box 67 \ 4 scan0047 | |
| Continued memo discussing difficulties encountered during assembly work on chassis 7-EX. | 23th Apr 1926 | Box 67 \ 4 scan0048 | |
| Dangerous steering joggles on 'N.P.' chassis and Phantom cars, with a proposal to use reduced gearing to fix the issue. | 23th Apr 1926 | Box 67 \ 4 scan0049 | |
| Customer complaints of road shocks in Phantom steering and proposing a modification to the side steering springs as a solution. | 27th Apr 1926 | Box 67 \ 4 scan0050 | |
| Potential improvements and alternatives for the Phantom steering system. | 27th Apr 1926 | Box 67 \ 4 scan0051 | |
| New hydraulic shock absorbers and their associated Part List F.74807. | 27th Apr 1926 | Box 67 \ 4 scan0052 | |
| To the Paris Depot about addressing Phantom steering complaints by testing weaker side steering tube springs. | 27th Apr 1926 | Box 67 \ 4 scan0053 | |
| Testing of hydraulic shock dampers on a 20 HP and a Phantom vehicle following a complaint. | 27th Apr 1926 | Box 67 \ 4 scan0054 | |
| The steering of a 3-Litre Sunbeam car, comparing it to the Phantom chassis and the effect of front axle weight. | 27th Apr 1926 | Box 67 \ 4 scan0055 | |
| Investigating Phantom steering complaints and testing weaker side steering tube springs as a solution. | 27th Apr 1926 | Box 67 \ 4 scan0056 | |
| Testing hydraulic shock dampers and requesting a report on a specific complaint. | 27th Apr 1926 | Box 67 \ 4 scan0057 | |
| Outlining questions and concerns regarding unsatisfactory and unsafe 'Phantom Steering' on cars. | 27th Apr 1926 | Box 67 \ 4 scan0058 | |
| Post office telegram from Hancock to Hives regarding travel to Paris. | 29th Apr 1926 | Box 67 \ 4 scan0059 | |
| Proposed fix for a Phantom steering complaint by changing the springs in the side steering tube. | 29th Apr 1926 | Box 67 \ 4 scan0060 | |
| Anti-rattle devices for the New Phantom steering column. | 29th Apr 1926 | Box 67 \ 4 scan0061 | |
| Testing and implementation of weaker side steering tube springs for the Phantom model. | 30th Apr 1926 | Box 67 \ 4 scan0062 | |
| Testing a steering alteration for the Phantom model to address customer complaints while considering costs. | 30th Apr 1926 | Box 67 \ 4 scan0063 | |
| Request to arrange a test for a proposed modification to the Phantom steering by using weaker springs. | 30th Apr 1926 | Box 67 \ 4 scan0064 | |
| Need to test improvements to the Phantom steering system on French roads for an accurate assessment. | 1st May 1926 | Box 67 \ 4 scan0065 | |
| The testing of different strength springs for the Phantom steering system. | 3rd May 1926 | Box 67 \ 4 scan0066 | |
| Report on Phantom steering complaints in Paris and arrangements for testing solutions. | 3rd May 1926 | Box 67 \ 4 scan0067 | |
| Steering trouble, including kick-back and high-speed wobble, on the Paris Phantom Trials Car. | 3rd May 1926 | Box 67 \ 4 scan0068 | |
| Dismantling and resetting standard friction dampers, with work held in abeyance pending the fitting of hydraulic dampers. | 3rd May 1926 | Box 67 \ 4 scan0069 | |
| Dangerous steering trouble and oscillations in a Phantom Trials Car on bad roads. | 3rd May 1926 | Box 67 \ 4 scan0070 | |
| Report detailing a high-speed wobble issue and subsequent suspension adjustments. | 12th May 1926 | Box 67 \ 4 scan0071 | |
| Covering memorandum from BJ regarding the urgency of a decision on the New Phantom Steering. | 12th May 1926 | Box 67 \ 4 scan0072 | |
| Steering criticisms for the 40-50 HP New Phantom and 20 HP India cars. | 26th Apr 1926 | Box 67 \ 4 scan0073 | |
| Steering complaint on a 'New Phantom' from the Maharaja of Alwar's engineer. | 11th May 1926 | Box 67 \ 4 scan0074 | |
| Opinion on cumulative troubles related to steering column support and rigidity. | 12th May 1926 | Box 67 \ 4 scan0075 | |
| Internal memorandum discussing the urgent need to address an unsatisfactory steering issue on New Phantom chassis, particularly for export models. | 12th May 1926 | Box 67 \ 4 scan0076 | |
| Steering design failure, its associated costs, and proposing an improved parallel testing method. | 13th May 1926 | Box 67 \ 4 scan0077 | |
| Telegram reporting that steering tests are finished and a boat shipment is impossible. | 23th Feb 1927 | Box 67 \ 4 scan0078 | |
| | | | |
