| Description | Date | Identifier | |
| Hispano indicator diagrams, analyzing engine pressure, detonation, and volumetric efficiency at 1500 and 2500 RPM. | 12th Jul 1923 | Morton \ M4.1 img042 | |
| Diagram and calculations for the Hispano clutch operating mechanism. | 17th Apr 1924 | Morton \ M4.2 img001 | |
| Calculations for the foot pressure required to release the Goshawk clutch. | 17th Apr 1924 | Morton \ M4.2 img002 | |
| Technical drawing of an Axle Pivot at half scale. | 28th May 1932 | Morton \ M4.2 img003 | |
| Multi-view drawing of a cylinder block. | 28th May 1932 | Morton \ M4.2 img004 | |
| Arrangement of Clutch. | 1st Mar 1908 | Morton \ M4.2 img005 | |
| Diagram showing the distance between the centre of the tyre and the centre of the pivot pin when in contact with the road. | 7th Feb 1924 | Morton \ M4.2 img006 | |
| Schematic diagram detailing the components and movements of a Hispano Suiza steering system. | 7th Feb 1924 | Morton \ M4.2 img007 | |
| Performance graph for a Hispano engine plotting pressure against piston displacement for various crank angles. | 1st Jan 1923 | Morton \ M4.2 img008 | |
| Performance graph for a Hispano engine, plotting pressure curves against piston displacement for various crank angles. | 1st Jan 1923 | Morton \ M4.2 img009 | |
| Graph of performance curves for a Hispano engine, plotting cooling water flow against induction pipe depression. | 1st Jan 1923 | Morton \ M4.2 img010 | |
| Graph comparing the specific output of E.A.C. and Hispano engines with different carburettors versus RPM. | 1st Jan 1923 | Morton \ M4.2 img011 | |
| Graph comparing Brake Mean Effective Pressure (B.M.E.P.) against gas velocity for different engine configurations. | 1st Jan 1923 | Morton \ M4.2 img012 | |
| Graph comparing ignition advance required for maximum power on E.A.C. and Hispano engines, showing the effect of dual ignition. | 1st Jan 1923 | Morton \ M4.2 img013 | |
| Graph comparing inlet valve displacement against piston displacement for 'Hispano' and 'E.A.C.' configurations. | 1st Jan 1923 | Morton \ M4.2 img014 | |
| Graph comparing E.A.C. and Hispano inlet valve lift diagrams. | 1st Jan 1923 | Morton \ M4.2 img015 | |
| Performance curves (HP & M.E.P.) for Hispano and E.A.C. engines. | 1st Jan 1923 | Morton \ M4.2 img016 | |
| Performance graph plotting B.HP, B.M.E.P., Brake Thermal Efficiency, and fuel consumption against R.P.M., including a valve timing diagram. | 1st Jan 1923 | Morton \ M4.2 img017 | |
| Wiring diagram for the connections of a Lucas D electrical system for head, side, and tail lamps. | 1st Jan 1923 | Morton \ M4.2 img018 | |
| Wiring diagram for a Lucas Dynamo Lighting Set. | 1st Jan 1923 | Morton \ M4.2 img019 | |
| Engineering drawing of a connecting rod with multiple views and dimensions. | 1st Jan 1923 | Morton \ M4.2 img020 | |
| Detailed engineering drawing of a clutch assembly. | 1st Jan 1923 | Morton \ M4.2 img021 | |
| Blueprint graph comparing the power (M.E.P.) of Marmon, Humber, Buick, Hup, and Dodge cars. | 1st Jan 1923 | Morton \ M4.2 img022 | |
| Blueprint graph of various engine performance curves. | 1st Jan 1923 | Morton \ M4.2 img023 | |
| Blueprint graph showing multiple data plots on a grid. | 1st Jan 1923 | Morton \ M4.2 img024 | |
| Blueprint graph of performance curves, with the vertical axis representing Mean Effective Pressure (M.E.P.) in LBS per square inch. | 1st Jan 1923 | Morton \ M4.2 img025 | |
| Blueprint graph comparing the horsepower (HP) curves of various cars. | 1st Jan 1923 | Morton \ M4.2 img026 | |
| Graph comparing horsepower against revolutions per minute for various engine configurations. | 1st Jan 1923 | Morton \ M4.2 img027 | |
| Dynamometer performance comparison graph for various car makes with different exhaust setups. | 19th May 1921 | Morton \ M4.2 img028 | |
| Blueprint of a line graph plotting data on a grid with numerical axes. | 19th May 1921 | Morton \ M4.2 img029 | |
| Technical drawing with dimensions for a multi-sectioned cylindrical component. | 1st Nov 1923 | Morton \ M4.2 img030 | |
| Engineering drawing of a crankshaft with dimensions and a part section showing oil holes and plugs. | 1st Nov 1923 | Morton \ M4.2 img031 | |
| Blueprint of a clutch assembly including the clutch lining. | 1st Nov 1923 | Morton \ M4.2 img032 | |
| Drawing of a crankshaft end, detailing the clutch lining and mounting studs. | 1st Nov 1923 | Morton \ M4.2 img033 | |
| Performance graph for a Hispano engine, plotting Horse Power and Mechanical Efficiency against RPM. | 10th Mar 1924 | Morton \ M4.2 img034 | |
| Graph of engine performance curves against RPM, with a valve timing diagram. | 10th Mar 1924 | Morton \ M4.2 img035 | |
| Hispano valve timing diagram and inlet valve displacement curve. | 10th Mar 1924 | Morton \ M4.2 img036 | |
| Graph of an exhaust valve displacement curve with 2mm clearance and .391 max lift. | 10th Mar 1924 | Morton \ M4.2 img037 | |
| Progress on starting schemes, air pumps, and other fittings for Armoured Cars. | 30th Sep 1920 | Morton \ M5 img001 | |
| Fitting of emergency starters, tyre pumps, and specifications for wheels. | 30th Sep 1920 | Morton \ M5 img002 | |
| Expressing concerns about using larger diameter wheels on armoured cars due to increased stress on axles. | 30th Sep 1920 | Morton \ M5 img003 | |
| The problems with twin wheels on armoured cars and the decision to fit alternative tyres. | 7th Oct 1920 | Morton \ M5 img004 | |
| Decisions on impulse starters versus hand magnetos for armoured cars, and the design of a suitable tyre air pump. | 8th Oct 1920 | Morton \ M5 img005 | |
| The design of a hand starter mechanism, with suggestions from Mr. Royce regarding the pinion and flywheel gearing. | 8th Oct 1920 | Morton \ M5 img006 | |
| Modifications for armoured cars requested by the War Office, outlining production schedules and potential delays. | 13th Oct 1920 | Morton \ M5 img007 | |
| War Office modifications, project delays, and attaching a memo from Mr. Royce. | 13th Oct 1920 | Morton \ M5 img008 | |
| Modifications to armoured cars, focusing on the flywheel gear drive and pump fittings. | 21th Oct 1920 | Morton \ M5 img009 | |
| Status update regarding the completion of work on armoured cars and chassis delivery. | 21th Oct 1920 | Morton \ M5 img010 | |
| Positioning and installation of a hand magneto on armoured cars, referencing blueprint N Sch: 626. | 1st Oct 1920 | Morton \ M5 img011 | |
| 'N' Scheme 619, detailing the mounting of a battery in the frame for armoured cars. | 23th Nov 1920 | Morton \ M5 img012 | |
| Specification document for an armoured car, detailing standard alternatives and special parts. | 13th Oct 1920 | Morton \ M5 img013 | |
| List of vehicle specifications and modifications for components like tyres, lighting, and engine parts. | 26th Oct 1920 | Morton \ M5 img014 | |
| Status update on the supply of parts for Armoured Cars, highlighting delays due to strikes and supply chain issues. | 26th Oct 1920 | Morton \ M5 img015 | |
| Production and delivery delays for tyre inflators and road springs due to a miners' strike and other industrial action. | 26th Oct 1920 | Morton \ M5 img016 | |
| Status update on the delivery and production of various vehicle components. | 26th Oct 1920 | Morton \ M5 img017 | |
| Supply chain status for towing hooks, front wings, and Michelin jacks, noting delays due to a coachbuilders strike. | 26th Oct 1920 | Morton \ M5 img018 | |
| Visit to Derby for 50 armoured cars for the India Office and requesting an Essex car. | 13th Oct 1921 | Morton \ M5 img019 | |
| Proposing a load and braking test for a standard chassis on a steep 1-in-5 gradient to determine its limits for armoured car use. | 6th Sep 1921 | Morton \ M5 img020 | |
| Issues with Armoured Cars overheating and boiling, with reference to tests on the Sussex Downs and requirements for the India Office. | 31th Aug 1921 | Morton \ M5 img021 | |
| Vehicle performance tests conducted in sand and on hills at Long Valley, Aldershot. | 31th Aug 1921 | Morton \ M5 img022 | |
| Special road test conducted in the Leith Hill district. | 25th Aug 1921 | Morton \ M5 img023 | |
| Strategies for passing performance trials for armoured car chassis for the India Office. | 25th Aug 1921 | Morton \ M5 img024 | |
| Trial conditions for armoured cars fitted with a modified rear axle. | 25th Aug 1921 | Morton \ M5 img025 | |
| Specification document outlining conditions for brake, restarting, fuel consumption, and rough route trials for a vehicle. | 25th Aug 1921 | Morton \ M5 img026 | |
| Trial conditions for armoured cars fitted with a modified rear axle. | 23th Aug 1921 | Morton \ M5 img027 | |
| Test specifications for new axles, contract obligations, and potential engine boiling issues for an order of 19 cars. | 23th Aug 1921 | Morton \ M5 img028 | |
| Options for testing, guaranteeing, and quoting costs for new experimental axles for a chassis for the India Office. | 23th Aug 1921 | Morton \ M5 img029 | |
| To hold work on Tyre Pump Controls and Oil Separator for Armoured Cars for India due to an unsatisfactory report. | 13th Apr 1921 | Morton \ M5 img030 | |
| India Office tests of Armoured Cars, attaching related documents. | 31th Aug 1921 | Morton \ M5 img031 | |
| Status and specifications, particularly wheels and tyres, for 19 armoured cars for the India Office. | 10th May 1931 | Morton \ M5 img032 | |
| Experiment to improve the cooling efficiency of a 40/50 HP armoured car by fitting a cowl over the radiator and fan. | 23th Aug 1921 | Morton \ M5 img033 | |
| Conditions and technical challenges of armoured cars for India Office tests. | 27th Aug 1921 | Morton \ M5 img034 | |
| Radiator capacity and engine cooling in response to a War Office request. | 27th Aug 1921 | Morton \ M5 img035 | |
| Chassis limitations for steep hill climbing tests, including gearing, brakes, and wheel size modifications. | 27th Aug 1921 | Morton \ M5 img036 | |
| The suitability of different chassis for armoured car tests, considering standard, special, and commercial options. | 27th Aug 1921 | Morton \ M5 img037 | |
| Letter discussing cooling issues on an Armoured Car chassis following a trial. | 25th Nov 1921 | Morton \ M5 img038 | |
| Design and selection of a new rear axle for armoured cars. | 1st Dec 1921 | Morton \ M5 img039 | |
| Development of new axles for armoured cars and government procurement of air-cooled vehicles. | 1st Dec 1921 | Morton \ M5 img040 | |
| Cooling performance of an armoured car chassis for the India Office and proposing improvements. | 1st Dec 1921 | Morton \ M5 img041 | |
| Engine cooling modifications and performance in warm weather, involving the India Office. | 1st Dec 1921 | Morton \ M5 img042 | |
| Internal discussion regarding the arrangement to unofficially test a new, larger radiator in India to address potential overheating issues. | 1st Dec 1921 | Morton \ M5 img043 | |
| Continued note discussing a solution for an engine boiling issue in South Africa using a throttling sleeve. | 1st Dec 1921 | Morton \ M5 img044 | |
| Cooling problems and potential radiator modifications for armoured cars. | 2nd Dec 1921 | Morton \ M5 img045 | |
| Solutions for cooling system inefficiencies and water loss in Armoured Cars. | 6th Dec 1921 | Morton \ M5 img046 | |
| Testing issues with an order of 19 armoured cars for the India Office and subsequent discussions on modifications. | 28th Aug 1921 | Morton \ M5 img047 | |
| Contractual dispute with the India Office over car tests and payment. | 24th Aug 1921 | Morton \ M5 img048 | |
| The general condition and required repairs for an overhaul of 10 Armoured Cars. | 22th Jun 1927 | Morton \ M5 img049 | |
| Condition report on the parts of a 40/50HP S.G. model car, with handwritten biographical notes. | 13th Apr 1932 | Morton \ M5 img050 | |
| Requesting a meeting to discuss alterations to the evaporatively cooled Phantom I engine in an armoured car. | 13th Apr 1932 | Morton \ M5 img051 | |
| On issues and proposed alterations for an evaporatively cooled Phantom 1 engine in an armoured car. | 14th Apr 1932 | Morton \ M5 img052 | |
| Graph showing hot well pump calibration for an evaporatively cooled Phantom I engine in an armoured car. | 5th Apr 1932 | Morton \ M5 img053 | |
| The evaporatively cooled system for a Phantom I engine in an armoured car. | 30th Apr 1932 | Morton \ M5 img054 | |
| Engine cooling systems, fan power, and airflow in car experiments. | 1st Apr 1932 | Morton \ M5 img055 | |
| Request for a drawing print of an evaporative cooling system for a Phantom 1 armoured car. | 11th May 1933 | Morton \ M5 img056 | |
| Cover letter for an attached letter to the War Office regarding test results for the evaporative cooling system on a Phantom 1 Armoured Car. | 9th May 1933 | Morton \ M5 img057 | |
| Acknowledging receipt of a letter and drawing concerning the evaporative cooling system on a Phantom 1 Armoured Car. | 16th May 1933 | Morton \ M5 img058 | |
| Parts for the removal of a hot well pump and fitting of a hydraulic ejector on an armoured car. | 4th Apr 1933 | Morton \ M5 img059 | |
| Instructions for fitting a copper pipe between the water pump and ejector, sending drawings, and testing. | 4th Apr 1933 | Morton \ M5 img060 | |
| Collection of newspaper clippings regarding an auction of letters from the company's co-founder and a subsequent clarification letter. | 30th Oct 1972 | Morton \ M6 img001 | |
| Letter discussing the safety and performance of series versus parallel armature circuits for longitudinal crane cross drives. | 6th Dec 1929 | Morton \ M6 img002 | |
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