| Description | Date | Identifier | |
| Oil consumption test on a Bentley B. 260 GA for a Mr. Embiricos. | 1st Jul 1937 | Box 100 \ 3 scan0182 | |
| The results of a 100-mile road test for oil consumption for Mr. Embircios' vehicle. | 7th Jun 1937 | Box 100 \ 3 scan0183 | |
| The investigation and rectification of faults on Chassis B.260.GA for Mr. A. Embiricos. | 15th Jun 1937 | Box 100 \ 3 scan0184 | |
| Engine faults and the subsequent repair work carried out on Chassis B.260.GA. | 15th Jun 1937 | Box 100 \ 3 scan0185 | |
| Engine test and final report for Chassis B.260.GA, detailing oil consumption and performance. | 15th Jun 1937 | Box 100 \ 3 scan0186 | |
| Scheme 1839 for the Goshawk III front axle, including details on bearings, wheels, and springs. | 28th Aug 1924 | Box 101 \ 1 scan0001 | |
| Telegram requesting confirmation about a failed pivot and a suspected material deficiency. | 25th Apr 1923 | Box 101 \ 1 scan0002 | |
| Pivot failure during bumping tests on an 'India' front axle. | 3rd Apr 1925 | Box 101 \ 1 scan0003 | |
| Blueprint of an N.S. Pivot assembly, including a cross-section view showing an increased radius. | 3rd Apr 1920 | Box 101 \ 1 scan0004 | |
| Failure of a front axle pivot and suggestions for strengthening. | 4th Apr 1925 | Box 101 \ 1 scan0005 | |
| Secret internal memorandum discussing the failure of front axle pivots and proposals for increasing their strength. | 6th Apr 1925 | Box 101 \ 1 scan0006 | |
| Secret memo detailing the successful 30-hour test run of pivots for the 'India' chassis. | 8th Apr 1925 | Box 101 \ 1 scan0007 | |
| Secret memo reporting on the results of a 55-hour bumping test for 'India' pivots on a front axle. | 7th Apr 1925 | Box 101 \ 1 scan0008 | |
| On the successful test of a modified 'INDIA' pivot, authorising new production and scrapping of the old design. | 20th Apr 1925 | Box 101 \ 1 scan0009 | |
| Modifications to the front axle and side steering lever for the 'India' model. | 30th Apr 1925 | Box 101 \ 1 scan0010 | |
| Experimental modification to the front axle to achieve a 41° lock. | 6th May 1925 | Box 101 \ 1 scan0011 | |
| Secret memo regarding two suggestions for front axle modifications on cars destined for India. | 4th May 1925 | Box 101 \ 1 scan0012 | |
| List of advantages for the 'X' Series design focusing on parallel control of axles to make it more like the 20 HP model. | 9th May 1925 | Box 101 \ 1 scan0013 | |
| Page two of a memo discussing retaining components and a postscript regarding the unsuitability of an increased track for colonial work. | 23th May 1925 | Box 101 \ 1 scan0014 | |
| Issues with the 'India' front axle brake levers becoming choc-a-bloc with the axle under load. | 23th May 1925 | Box 101 \ 1 scan0015 | |
| Data table comparing axle lever movement and clearances for 'INDIA' and 'E.A.C.' chassis types under specific loads. | 23th May 1925 | Box 101 \ 1 scan0016 | |
| The maximum steering lock angles for the India Front Axle and potential issues with brake operation. | 27th May 1925 | Box 101 \ 1 scan0017 | |
| Modifications and discrepancies in the front axle brake lever design for the 'India' model. | 29th May 1925 | Box 101 \ 1 scan0018 | |
| Confirming completion of instructions for 'India' chassis modifications, pending a decision on front springs. | 3rd Jul 1925 | Box 101 \ 1 scan0019 | |
| Replacement parts and ordering instructions for the 20-HP Chassis (India) front axle and brakes. | 3rd Jul 1925 | Box 101 \ 1 scan0020 | |
| Proposal for the 'India' front axle design and modifications. | 23th Jul 1925 | Box 101 \ 1 scan0021 | |
| Water ingress issue with a new locking device on the Goshawk front axle and Dunlop wheels. | 8th Aug 1925 | Box 101 \ 1 scan0022 | |
| The design of a new lightweight front axle, specifically regarding the distance between the wheel contact point and the pivot. | 4th Sep 1925 | Box 101 \ 1 scan0023 | |
| G.111 type front axle with a twisted near side, which was handed over by the Test Department. | 16th Sep 1925 | Box 101 \ 1 scan0024 | |
| Analysis of how a blow to a tyre, combined with hard braking, caused a permanent set in a twisted arm. | 28th Sep 1925 | Box 101 \ 1 scan0025 | |
| Twisted front axle found on car 9-G-111 after a 10,000-mile test in France. | 28th Sep 1925 | Box 101 \ 1 scan0026 | |
| Drawing of a front axle showing details of the off and near sides, including distortion and Brinell hardness test results. | 1st Oct 1925 | Box 101 \ 1 scan0027 | |
| From Hs. to B.J. discussing anxiety over a serious fault, the twisting of the front axle, on 'INDIA'. | 1st Oct 1925 | Box 101 \ 1 scan0028 | |
| Issues and proposed modifications for the 20 HP front axle, focusing on torque control, braking, and bending. | 1st Oct 1925 | Box 101 \ 1 scan0029 | |
| Twisting issues with an India Front Axle, proposing modifications and noting defects in the current forging. | 10th Feb 1925 | Box 101 \ 1 scan0030 | |
| Modifications to the India Front Axle Pivot, including new parts and a request for testing. | 1st Oct 1925 | Box 101 \ 1 scan0031 | |
| Requesting comparative weights for the India front axle forging. | 10th Feb 1925 | Box 101 \ 1 scan0032 | |
| The results and graphs from deflection tests carried out on an India Front Axle. | 15th Oct 1925 | Box 101 \ 1 scan0033 | |
| The strength of the 'India' front axle. | 12th Jun 1925 | Box 101 \ 1 scan0034 | |
| Results of a torsion test on a 20 HP axle, graphing permanent set against distance and load. | 14th Oct 1925 | Box 101 \ 1 scan0035 | |
| Results of a torsion test on a 20HP No.2 axle, showing permanent set under various loads and distances. | 14th Oct 1925 | Box 101 \ 1 scan0036 | |
| Mr. Royce's decision against using a multiple plate clutch for the India Front Axle. | 22th Oct 1925 | Box 101 \ 1 scan0037 | |
| Parts list and weight breakdown for Goshawk II and Goshawk III front axles. | 12th Nov 1925 | Box 101 \ 1 scan0038 | |
| India front axle and an experimental side steering lever. | 12th Nov 1925 | Box 101 \ 1 scan0039 | |
| Expressing concerns over the reliability and cost of a proposed riveting method for a steering lever ball on a 20 HP chassis. | 30th Nov 1925 | Box 101 \ 1 scan0040 | |
| Solutions for low speed wobbles on the 20 HP model, referencing a refusal to consider a plate clutch device. | 23th Mar 1926 | Box 101 \ 1 scan0041 | |
| Arrangements for providing additional friction in the front pivots for the 20HP model. | 15th May 1926 | Box 101 \ 1 scan0042 | |
| Letter confirming a telegram about modifications to a car's servo braking system and front braking proportions. | 15th May 1926 | Box 101 \ 1 scan0043 | |
| Technical memorandum discussing gear and worm design, splines, and a proposed damping segment. | 15th May 1926 | Box 101 \ 1 scan0044 | |
| Friction dampers, front springs, rubber buffers and front wheel brakes. | 15th May 1926 | Box 101 \ 1 scan0045 | |
| Potential improvements to vehicle braking and suspension systems. | 6th Jul 1926 | Box 101 \ 1 scan0046 | |
| Improvements and testing of the front axle for the 'K' Series, 20 HP chassis. | 6th Jul 1926 | Box 101 \ 1 scan0047 | |
| Standardization and modification of an 'INDIA' front axle for a 20 HP chassis. | 14th Sep 1926 | Box 101 \ 1 scan0048 | |
| Modification to the friction device on the front axle pivot for the 20 HP chassis. | 4th Oct 1926 | Box 101 \ 1 scan0049 | |
| Proposed linkages for mixture control on a 20 HP vehicle with a vertical radiator and shutters. | 6th Jan 1927 | Box 101 \ 1 scan0050 | |
| The design of a new front axle for the 20 HP model based on the lightened Phantom type. | 25th Apr 1927 | Box 101 \ 1 scan0051 | |
| Standard axle design for the Phantom and its application to the 20 HP model. | 29th Apr 1927 | Box 101 \ 1 scan0052 | |
| Cause of a steering joggle on the 20 HP model, comparing geometry vs. gyroscopic action. | 30th Apr 1927 | Box 101 \ 1 scan0053 | |
| Front axle wobble issues on a 20 HP car, detailing tests and solutions related to axle weight, tyre sizes, and steering components. | 3rd May 1927 | Box 101 \ 1 scan0054 | |
| Modifications and performance analysis of the Phantom steering system. | 5th Mar 1927 | Box 101 \ 1 scan0055 | |
| Design notes for an improved front axle for the 20 HP car, based on the Phantom, to prevent tyre scrub. | 25th May 1927 | Box 101 \ 1 scan0056 | |
| Authorising an experiment for a 20 HP parallel control system, noting the need to create new parts from scratch. | 25th May 1927 | Box 101 \ 1 scan0057 | |
| List of car objectives prepared for a board meeting. | 25th May 1927 | Box 101 \ 1 scan0058 | |
| Methods for lowering the chassis of 20 HP and Phantom models by reducing packing. | 17th Nov 1927 | Box 101 \ 1 scan0059 | |
| 'X' shaped 4th cross member for the 10,000 miles 20 HP car, noting required modifications to the braking system. | 3rd Dec 1927 | Box 101 \ 1 scan0060 | |
| Requesting the production of front axle and brake components for bump testing on a 20-HP chassis. | 10th Dec 1927 | Box 101 \ 1 scan0061 | |
| General arrangement and component specifications for the 'India 3' car. | 27th Feb 1928 | Box 101 \ 1 scan0062 | |
| Sending a schedule (N.sch.2622) for a slight modification to the rear axle arrangement to accommodate the Enots/Bijur system. | 5th Jun 1928 | Box 101 \ 1 scan0063 | |
| Modifications to the 20 HP model's gear quadrant and floorboards to prevent hot air and fumes from entering the cabin. | 16th Jun 1928 | Box 101 \ 1 scan0064 | |
| Steering 'shiver' issue and proposed axle improvements. | 24th Aug 1928 | Box 101 \ 1 scan0065 | |
| Modifications to the India 4 front axle. | 24th Oct 1928 | Box 101 \ 1 scan0066 | |
| Modifications to the front springs, side steering tube, and frame geometry. | 1st Nov 1928 | Box 101 \ 1 scan0067 | |
| Alterations to the rear hub and brake drum for the India 4 rear axle. | 7th Nov 1928 | Box 101 \ 1 scan0068 | |
| Potential steering improvements by modifying front engine mounts, axle damping, and tires. | 12th Nov 1928 | Box 101 \ 1 scan0069 | |
| Scheme for air vessels in the pivots of the 20 HP front axle for centralised chassis lubrication. | 27th Mar 1929 | Box 101 \ 1 scan0070 | |
| Design principles and issues of shock dampers, condemning leaks and proposing solutions for better performance. | 4th Apr 1929 | Box 101 \ 1 scan0071 | |
| Vehicle suspension and body issues on a 20 HP model. | 5th Apr 1929 | Box 101 \ 1 scan0072 | |
| Suggestion for the capacity and placement of an air reservoir on the 20 HP chassis front axle. | 5th Apr 1929 | Box 101 \ 1 scan0073 | |
| Record of front and rear axle weights for the 20 HP 'India lll' model with Bijur pipes. | 1st May 1929 | Box 101 \ 1 scan0074 | |
| Oil retention issue with an Enots fitting on a 20 HP rear axle, proposing a drilling modification. | 7th Jun 1929 | Box 101 \ 1 scan0075 | |
| Urgent front axle control issue on the 20 HP model causing vehicles to go off the road. | 8th Nov 1939 | Box 101 \ 1 scan0076 | |
| In response to an enquiry about a 20HP Front Axle Control issue. | 11th Nov 1929 | Box 101 \ 1 scan0077 | |
| Front axle control and steering characteristics of the 20 HP model compared to other models. | 12th Nov 1929 | Box 101 \ 1 scan0078 | |
| Inability to fit front axle control on a 20 HP model due to spring pad design. | 15th Nov 1929 | Box 101 \ 1 scan0079 | |
| Tests on the 20 HP front axle concerning steering joggles and high-speed wobbles, and potential issues with future 40/50 HP models. | 21th Nov 1929 | Box 101 \ 1 scan0080 | |
| Difficulty of lowering the 20 HP car by altering the front joggle of the frame without affecting the steering. | 21th Nov 1929 | Box 101 \ 1 scan0081 | |
| Inability to lower the springs on the 20 HP front axle, identifying spring position as the issue. | 26th Nov 1929 | Box 101 \ 1 scan0082 | |
| Issues and new recommendations for the Bijur lubrication system on axles. | 1st Jan 1930 | Box 101 \ 1 scan0083 | |
| Axle lubrication systems, comparing oil gun and one-shot chassis methods. | 1st Jan 1930 | Box 101 \ 1 scan0084 | |
| Instruction book update regarding the lubrication of axles for 20 HP and Phantom II models. | 1st Jan 1930 | Box 101 \ 1 scan0085 | |
| Sending N.schemes 3135/6 for pipe coils related to the 20/25 HP centralised chassis lubrication. | 1st Jul 1930 | Box 101 \ 1 scan0086 | |
| Centralised chassis lubrication for the 20 HP front axle, referencing scheme 3141. | 18th Aug 1930 | Box 101 \ 1 scan0087 | |
| Modifications and issues for the 25 HP model in Japan. | 1st Sep 1930 | Box 101 \ 1 scan0088 | |
| Experiment on the front axle regarding a complaint about the Bijur oil supply tube. | 12th Nov 1930 | Box 101 \ 1 scan0089 | |
| Modifications to the front axle for cost reduction and improved steering geometry. | 29th Jan 1931 | Box 101 \ 1 scan0090 | |
| Front axle control for 'JAPAN' III, discussing spring ratings and shock absorber placement. | 2nd Feb 1931 | Box 101 \ 1 scan0091 | |
| Design and development of a new front axle and brake system. | 18th Mar 1931 | Box 101 \ 1 scan0092 | |
| Sending the original N. scheme 3246 for the front axle and a proposal for a new drawing. | 24th Apr 1931 | Box 101 \ 1 scan0093 | |
| Standardisation of centralised lubrication for the front axle to incorporate it into the one-shot lubrication scheme. | 14th Jan 1931 | Box 101 \ 1 scan0094 | |
| Costs and schedule for fitting a new part to a chassis. | 5th Feb 1931 | Box 101 \ 1 scan0095 | |
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