| Description | Date | Identifier | |
| Sticking exhaust valves on car 19-EX and the oil level for a Peregrine gearbox. | 6th Feb 1933 | Morton \ M18 img070 | |
| Letter about the performance, design, and issues of 19-EX governor shock dampers. | 14th Feb 1933 | Morton \ M18 img071 | |
| The performance of governor shock dampers, referencing test reports and comparing different setups. | 14th Feb 1933 | Morton \ M18 img072 | |
| The status of experimental cars 19-MX, 20-MX and 22-MX, and an urgent request for a Continental Phantom for testing. | 24th Feb 1933 | Morton \ M18 img073 | |
| Tests conducted on a Phantom engine to determine the effect of piston ring clearance on gumming. | 18th Nov 1926 | Morton \ M18 img074 | |
| Test results on piston ring 'gum up' tendency with varying groove clearances and ring stiffness. | 16th Nov 1926 | Morton \ M18 img075 | |
| Experiment report on piston ring gumming in a Phantom engine. | 16th Nov 1926 | Morton \ M18 img076 | |
| The results of tests concerning the gumming tendency of rings with varying groove clearances and stiffness. | 3rd Mar 1927 | Morton \ M18 img077 | |
| Design of scraper rings for car or aero engines. | 3rd Mar 1927 | Morton \ M18 img078 | |
| Use and performance of tapered, 'faked', and lapped piston rings in car and aero engines. | 14th Jun 1927 | Morton \ M18 img079 | |
| Oil consumption experiment on a Phantom test bench engine. | 9th May 1927 | Morton \ M18 img080 | |
| The factors controlling over-oiling in Phantom engines. | 26th Jun 1925 | Morton \ M18 img081 | |
| Report page discussing oil flow and consumption based on road tests of Phantom and Silver Ghost models. | 26th Jun 1925 | Morton \ M18 img082 | |
| Comparison of oil flow, pressure, and bearing clearances between the Phantom and Silver Ghost models. | 26th Jun 1925 | Morton \ M18 img083 | |
| Comparison of engine oil flow and pressure between Silver Ghost and Phantom models, detailing methods for reduction. | 26th Jun 1925 | Morton \ M18 img084 | |
| Engine lubrication, oil flow, and the effectiveness of 'L' section piston rings. | 26th Jun 1925 | Morton \ M18 img085 | |
| Analysis of oil consumption issues, their causes such as leaking rockers, and potential remedies. | 26th Jun 1925 | Morton \ M18 img086 | |
| Report concluding that high oil consumption in the Phantom engine is due to the fit of bearings and piston rings, not a design flaw. | 26th Jun 1925 | Morton \ M18 img087 | |
| And sketches detailing ring theory, focusing on hydro-dynamic wedges and oil flow. | 26th Jun 1925 | Morton \ M18 img088 | |
| Historical summary of the first family of aero engines from 1916 to 1919. | 11th Feb 1913 | Morton \ M18 img089 | |
| Modifications, tests, and issues observed on an experimental chassis. | 11th Feb 1913 | Morton \ M18 img090 | |
| Historical overview of the second family of aero-engines from 1919 to 1939, including the Kestrel, Buzzard, Schneider, and Merlin. | 8th Oct 1914 | Morton \ M18 img091 | |
| Chronological log of communications and decisions concerning the development of double rear brakes. | 8th Oct 1914 | Morton \ M18 img092 | |
| Log of engineering memos, communications, and test results from late 1912 to early 1913. | 26th Aug 1913 | Morton \ M18 img093 | |
| Log of progress notes, tests, and issues concerning double rear brakes. | 26th Aug 1913 | Morton \ M18 img094 | |
| Log of handwritten notes detailing vehicle testing, component performance, and design modifications. | 2nd Mar 1913 | Morton \ M18 img095 | |
| Log of tests, issues, and correspondence regarding brakes, wheels, and other car components from 1913-1914. | 28th Apr 1914 | Morton \ M18 img096 | |
| Log detailing tests, issues, and modifications for brake and wheel systems. | 28th Apr 1914 | Morton \ M18 img097 | |
| Compilation of handwritten notes and reports on vehicle performance issues, complaints, and tests from 1913-1914, seemingly highlighting conflicting information. | 16th Jun 1914 | Morton \ M18 img098 | |
| Log of communications and reports regarding vehicle brake performance and related issues from mid-1914. | 16th Jun 1914 | Morton \ M18 img099 | |
| Notes, reports and correspondence regarding issues and tests with brake linings, primarily Raybestos and Ferodo. | 8th Jul 1914 | Morton \ M18 img100 | |
| Investigations into brake lining materials, performance issues, and potential solutions. | 8th Jul 1914 | Morton \ M18 img101 | |
| Series of handwritten notes and reports discussing the performance, overheating, and wear issues of DRB brakes compared to older central brake systems. | 11th Jul 1914 | Morton \ M18 img102 | |
| Comparing different brake systems, their performance issues, and potential improvements. | 11th Jul 1914 | Morton \ M18 img103 | |
| Log of internal memos from 1914 detailing various vehicle performance issues, customer correspondence, and test results. | 24th Aug 1914 | Morton \ M18 img104 | |
| Log from June-July 1914 detailing vehicle technical issues, tests, and internal correspondence. | 28th Jul 1914 | Morton \ M18 img105 | |
| Log of internal correspondence and annotations regarding brake system development and testing. | 25th Aug 1914 | Morton \ M18 img106 | |
| Engineering log detailing brake development, material testing, and dyno/road test results from July-August 1914. | 25th Aug 1914 | Morton \ M18 img107 | |
| Log of handwritten notes from 1914 detailing issues, tests, and modifications to vehicle brake systems. | 13th Nov 1914 | Morton \ M18 img108 | |
| Series of handwritten notes and memos discussing brake performance, materials, and modifications. | 13th Nov 1914 | Morton \ M18 img109 | |
| Series of brake system tests, performance evaluations, and proposed improvements. | 24th Aug 1914 | Morton \ M18 img110 | |
| And annotations discussing the design, materials, and testing of brake shoes. | 24th Aug 1914 | Morton \ M18 img111 | |
| Log of notes on various automotive topics and their corresponding dates. | 30th May 1921 | Morton \ M18 img112 | |
| Tests on tappet clearance and noise levels on a 40/50 standard camshaft. | 24th Nov 1931 | Morton \ M19 img001 | |
| The position and testing of various electric clocks for cars. | 2nd Dec 1930 | Morton \ M19 img002 | |
| The development and testing of various manufacturers' electric car clocks for the Phantom II chassis. | 16th Dec 1930 | Morton \ M19 img003 | |
| Faulty 'Delco' shock absorber and its planned replacement with two of the latest type. | 16th Dec 1930 | Morton \ M19 img004 | |
| Carburetter noise issues and proposing using the crankcase as a silencer. | 20th Dec 1930 | Morton \ M19 img005 | |
| Comparing the test performance of a Delco Remy ignition coil against a standard and a Lucas coil. | 24th Dec 1930 | Morton \ M19 img006 | |
| Tests conducted on different crankshaft dimensions for the 25 HP engine to determine critical speeds. | 15th Jan 1931 | Morton \ M19 img007 | |
| Technical discussion on crankshaft pin design, balance weights, and their impact on critical speed and engine performance. | 15th Jan 1931 | Morton \ M19 img008 | |
| Expressing dissatisfaction with the progress of the single-cylinder compression-ignition engine and outlining a new design approach. | 19th Jan 1931 | Morton \ M19 img009 | |
| The characteristics and output performance of Lucas dynamos. | 5th Feb 1931 | Morton \ M19 img010 | |
| Design and performance of Lucas E.575 dynamos and their winding configurations. | 1st Feb 1931 | Morton \ M19 img011 | |
| Comparison of dynamo output curves and performance characteristics between different models. | 1st Feb 1931 | Morton \ M19 img012 | |
| Comparison of weight and performance output between a Lucas machine and the company's own machine. | 1st Feb 1931 | Morton \ M19 img013 | |
| Concerns with a new shock absorber design with hand control, suggesting modifications using 'Delco' features to reduce cost. | 6th Feb 1931 | Morton \ M19 img014 | |
| Issues with current shock absorbers and proposals for a new design. | 8th Feb 1931 | Morton \ M19 img015 | |
| Issues with front shock absorbers on the Phantom II model, including design changes and customer complaints. | 9th Feb 1931 | Morton \ M19 img016 | |
| Comparison and potential testing of a Lucas dynamo against an in-house model. | 9th Feb 1931 | Morton \ M19 img017 | |
| Centralised chassis lubrication systems, comparing an ordinary coil of pipe with a flexible tube system from Messrs. Luvax. | 10th Feb 1931 | Morton \ M19 img018 | |
| Outlining a programme for improving hydraulic dampers and front axle control on the Phantom II model. | 12th Feb 1931 | Morton \ M19 img019 | |
| Continued discussion on damper designs for the 25 HP and Phantom II models, including proposals for future improvements. | 12th Feb 1931 | Morton \ M19 img020 | |
| Design improvements for shock dampers to reduce noise and wear. | 1st Feb 1931 | Morton \ M19 img021 | |
| Effects of piston inertia torque on engine roughness for various cylinder configurations. | 17th Feb 1932 | Morton \ M19 img022 | |
| Experiments to reduce engine vibration and booms by modifying flywheels on the 25 HP and Phantom II models. | 17th Feb 1931 | Morton \ M19 img023 | |
| Flywheel design improvements and bearing tests to reduce engine roughness and vibration on various models. | 17th Feb 1931 | Morton \ M19 img024 | |
| Note comparing local inertia torques and crankshaft stiffness between 8-cylinder and 6-cylinder engines. | 17th Aug 1938 | Morton \ M19 img025 | |
| Monthly report on customer complaints regarding booming, vibrations, brake squeaks, and shock dampers. | 18th Feb 1933 | Morton \ M19 img026 | |
| Technical report on issues and improvements for springing, couplings, steering, and clutches. | 18th Feb 1931 | Morton \ M19 img027 | |
| Customer complaints and proposed solutions for exhaust, slipper drive, and overheating issues. | 18th Feb 1931 | Morton \ M19 img028 | |
| Service improvements and ongoing tests for components including the ignition coil, servo, rear axle, and starter motor. | 18th Feb 1932 | Morton \ M19 img029 | |
| Customer complaints and subsequent modifications on various vehicle components, including Phantom I and II models. | 18th Feb 1931 | Morton \ M19 img030 | |
| Failures and modifications for various vehicle components. | 18th Feb 1931 | Morton \ M19 img031 | |
| Status report addressing issues with gearbox oil leaks, magneto wires, water pump drives, and engine water leaks. | 18th Feb 1931 | Morton \ M19 img032 | |
| Trial report on the performance and silence of a Maybach car's 4-speed gearbox in Berlin. | 2nd Mar 1931 | Morton \ M19 img033 | |
| Performance and handling review covering the ease of gear change, engine, steering, and brakes of a vehicle. | 2nd Mar 1931 | Morton \ M19 img034 | |
| Summary of recommendations regarding the potential purchase of a Maybach car or gearbox for testing. | 2nd Mar 1931 | Morton \ M19 img035 | |
| Modifications to existing Phantom II hydraulic rear dampers to resolve known issues and discussing future damper development. | 4th May 1931 | Morton \ M19 img036 | |
| Proposed piston damper system and its potential for production. | 4th Mar 1931 | Morton \ M19 img037 | |
| High-speed braking tests and the performance of adjustable hydraulic shock absorbers. | 6th Mar 1931 | Morton \ M19 img038 | |
| Development, testing and issues with a new single-line petrol gauge for the Phantom II model. | 9th Mar 1931 | Morton \ M19 img039 | |
| Scheme to incorporate a Warner synchronising mechanism into the Japan III gearbox. | 14th Mar 1931 | Morton \ M19 img040 | |
| Gearbox crash related to the Maybach change gear vacuum control system. | 16th Mar 1931 | Morton \ M19 img041 | |
| The new Bentley six-cylinder four-litre engine featuring a Ricardo patent head and its performance characteristics. | 19th Mar 1931 | Morton \ M19 img042 | |
| Cross-section diagram of a Ricardo patent cylinder head. | 19th Mar 1931 | Morton \ M19 img043 | |
| Experimental results for reducing engine booming in Phantom II & 25 HP cars, focusing on engine and mounting modifications. | 21th Mar 1931 | Morton \ M19 img044 | |
| Analysis of different engine mounting systems and their effect on issues like booming, steering shocks, and jellying on various car models. | 21th Mar 1931 | Morton \ M19 img045 | |
| Continued report on chassis booming, comparing engine mounting, steering, and body differences between Phantom I and Phantom II models. | 21th Mar 1931 | Morton \ M19 img046 | |
| Eliminating body 'boom' by adjusting scuttles, engine feet, and other components on different body types. | 21th Mar 1931 | Morton \ M19 img047 | |
| Continuation of a report discussing and comparing vehicle issues like flywheel whirling and engine mounting. | 21th Mar 1931 | Morton \ M19 img048 | |
| Summary of experimental tests carried out on power units, engine mountings, and chassis features. | 21th Mar 1931 | Morton \ M19 img049 | |
| Tests and observations on vehicle vibration and 'boom' issues, comparing Phantom I and Phantom II models. | 19th Mar 1931 | Morton \ M19 img050 | |
| The tests of an American gearbox fitted with a spool gear third speed, comparing its silence to other designs. | 19th Mar 1931 | Morton \ M19 img051 | |
| Experiments to improve fuel distribution with a downdraught carburettor. | 2nd Apr 1931 | Morton \ M19 img052 | |
| Monthly report detailing customer complaints about vehicle faults and the status of fixes. | 8th Apr 1931 | Morton \ M19 img053 | |
| Progress report on various vehicle components and issues. | 8th Apr 1931 | Morton \ M19 img054 | |
| Issues and modifications for various vehicle components including servos, telegauges, and petrol tanks. | 8th Apr 1931 | Morton \ M19 img055 | |
| Technical report detailing issues and modifications for components like radiators, fan pulleys, oil pumps, and engines. | 8th Apr 1931 | Morton \ M19 img056 | |
| Recurring technical issues and their resolutions for various car components. | 8th Apr 1931 | Morton \ M19 img057 | |
| | | | |
