| Description | Date | Identifier | |
| Oil pressure application methods for piston and crankshaft tests. | 27th Apr 1918 | Morton \ M2.1 img002 | |
| From 'E' to 'DA' giving instructions to proceed with an experimental test apparatus as per Mr. Royce's wishes. | 27th Apr 1918 | Morton \ M2.1 img003 | |
| Plan view diagram illustrating an oil pump connected to a piston and motor cylinder for reverse torque. | 27th Apr 1918 | Morton \ M2.1 img004 | |
| Pictorial and schematic diagrams for a Condor battery ignition system, illustrating an un-earthed low tension circuit. | 25th Jun 1918 | Morton \ M2.1 img005 | |
| Hand-drawn sketch of a Condor connecting rod with an attached design note. | 24th Mar 1918 | Morton \ M2.1 img006 | |
| Design alterations for a two-cylinder experimental 'V' Condor engine. | 24th Mar 1918 | Morton \ M2.1 img007 | |
| Design specifications for various aero engine components. | 10th Feb 1919 | Morton \ M2.1 img008 | |
| Engine breathing, crankcase vacuum, and the fitting of a larger breather or 'blow-off' valve. | 10th Feb 1919 | Morton \ M2.1 img009 | |
| Performance of a trembler coil on a battery ignition system and requesting a specific small model coil. | 12th Mar 1918 | Morton \ M2.1 img010 | |
| Letter to Count Carlos de Salamanca in Madrid regarding fuel substitutes for petrol in R.R. engines. | 29th Jan 1918 | Morton \ M2.1 img011 | |
| Page two of a letter to Count Carlos de Salamanca regarding alternative fuels and oil testing procedures. | 29th Jan 1918 | Morton \ M2.1 img012 | |
| The design of an elastic mounting for the 'Eagle' Electrical Starting Gear. | 26th Jan 1918 | Morton \ M2.1 img013 | |
| Requesting tests on the 'Eagle' Electrical Starting Gear regarding engine vibration effects. | 24th Jan 1918 | Morton \ M2.1 img014 | |
| Assignment of responsibility for developing and implementing production methods, tool design, and component clearances. | 4th Jan 1918 | Morton \ M2.1 img015 | |
| The methods of production and fitting for crankchambers, brasses, and bearings, emphasizing interchangeability and repair standards. | 4th Jan 1918 | Morton \ M2.1 img016 | |
| Clarifying a misunderstanding about production methods, redirecting focus to work on exhaust valves. | 25th Jan 1918 | Morton \ M2.1 img017 | |
| Concluding page of a memorandum regarding methods of production. | 25th Jan 1918 | Morton \ M2.1 img018 | |
| Request for analytical details and comparative figures for 'Quick Step' steel for valves. | 9th Jan 1918 | Morton \ M2.1 img019 | |
| Visit to West Wittering, stressing the importance of in-person discussions over correspondence. | 25th Feb 1918 | Morton \ M2.1 img020 | |
| From R. to EH. suggesting a document be sent to the Technical Director of the Air Ministry. | 12th Sep 1918 | Morton \ M2.1 img021 | |
| Request for parts and tools required to fire up an office anthracite stove. | 12th Sep 1918 | Morton \ M2.1 img022 | |
| Responding to a previous suggestion about the basis for comparing the Goshawk engine. | 8th May 1922 | Morton \ M2.1 img023 | |
| Vehicle mileage, future use inquiries, and rectifications for a misfiring cylinder and a loose spring clip. | 18th May 1922 | Morton \ M2.1 img024 | |
| Poor quality of fan belts and a broken thermometer on several cars. | 19th May 1922 | Morton \ M2.1 img025 | |
| The issue of front springs becoming loose on the front axle. | 19th May 1922 | Morton \ M2.1 img026 | |
| The disadvantages of the Goshawk 11 spring fixing method and a noticeable fault. | 20th May 1922 | Morton \ M2.1 img027 | |
| Telegram reporting cracked exhaust seats on a Goshawk engine and requesting a new cylinder head. | 20th May 1922 | Morton \ M2.1 img028 | |
| Letter confirming the need for a new cylinder head due to valve and seat damage. | 20th May 1922 | Morton \ M2.1 img029 | |
| Multiple vehicle faults including a cracked valve seat, chassis issues, and problems with the rear axle and brakes. | 20th May 1922 | Morton \ M2.1 img030 | |
| The condition of the distributor's LT contact, noting pitting and recording mileage. | 1st Jan 1923 | Morton \ M2.1 img031 | |
| Cracked cylinder head and front cross member on a Goshawk-11 vehicle. | 1st Jan 1923 | Morton \ M2.1 img032 | |
| Request for instructions on modifications to a cross member that has failed after 10,000 miles. | 23th May 1922 | Morton \ M2.1 img033 | |
| Letter detailing vehicle repairs, including replacing a broken aluminum packing piece with steel and addressing engine overoiling issues. | 23th May 1922 | Morton \ M2.1 img034 | |
| Adjustments to pressure and front springs, with observations on tyre wear. | 24th May 1922 | Morton \ M2.1 img035 | |
| Correspondence from Laval, France regarding logistical arrangements for car 69H and answering a query on water loss. | 24th May 1922 | Morton \ M2.1 img036 | |
| Note discussing an investigation into engine misfiring, attributing the cause to sticky/leaking valves and bad points. | 26th May 1922 | Morton \ M2.1 img037 | |
| Comparison of the Marmon car cylinder head with the Goshawk cylinder head, detailing design differences and observed cracking issues. | 26th May 1922 | Morton \ M2.1 img038 | |
| Test report on the Goshawk engine's cooling system, detailing issues with air bubbles and water loss upon boiling. | 11th Aug 1931 | Morton \ M2.1 img039 | |
| Letter detailing issues encountered while fitting a new cylinder head and replacing a battery on car 69H. | 28th May 1922 | Morton \ M2.1 img040 | |
| Memo discussing the logistics and mechanical issues of vehicles 79H and 69H in France. | 27th Mar 1929 | Morton \ M2.1 img041 | |
| Letter to Mr. Royce discussing production plans, batch sizes, and component changes for the 20 HP chassis. | 27th Mar 1929 | Morton \ M2.1 img042 | |
| Engine and chassis development, specifically about increasing engine size and disassociating the turbulent head from the long chassis. | 3rd Apr 1928 | Morton \ M2.1 img043 | |
| Performance of the 20 HP car, suggesting an engine redesign and noting changes since its introduction. | 3rd Apr 1928 | Morton \ M2.1 img044 | |
| Comparing the 20 HP model's engine performance against competitors and considering an increase in bore and stroke. | 3rd Apr 1928 | Morton \ M2.1 img045 | |
| Note regarding compression, engine speeds, and carburetter restriction. | 1st Apr 1928 | Morton \ M2.1 img046 | |
| Copy of a letter from F.H. Royce discussing production policy and improvements for the 20 HP model. | 4th Apr 1929 | Morton \ M2.1 img047 | |
| From F. H. Royce discussing future policy on production speed, model design, and engine size. | 26th Jul 1918 | Morton \ M2.1 img048 | |
| Proposals for crankshaft and piston testing apparatus. | 26th Jul 1918 | Morton \ M2.1 img049 | |
| Examination of the Packard car's petrol tank design which features a reserved compartment. | 17th Aug 1920 | Morton \ M2.1 img050 | |
| Cover letter enclosing information about the 20 HP chassis position for a Directors' meeting. | 12th Apr 1929 | Morton \ M2.2 img001 | |
| Letter to Lord Wargrave concerning the 20 HP Chassis and notes for an upcoming Board Meeting. | 12th Apr 1929 | Morton \ M2.2 img002 | |
| Production decisions and feature considerations for a new batch of 20 HP chassis. | 12th Apr 1929 | Morton \ M2.2 img003 | |
| Notes on the 20 HP Chassis, discussing production modifications, sales, and financial implications. | 12th Apr 1929 | Morton \ M2.2 img004 | |
| Comparison of power, weight ratios, and engine capacities of the 20 HP chassis against other models and competitors. | 12th Apr 1929 | Morton \ M2.2 img005 | |
| Notes on the 20 HP chassis, focusing on the policy for bodywork and collaborations with coachbuilders. | 12th Apr 1929 | Morton \ M2.2 img006 | |
| Notes on the 20 HP Chassis, discussing issues with body weight, sales, and production. | 12th Apr 1929 | Morton \ M2.2 img007 | |
| Notes on the 20 HP chassis performance, comparison with the 40/50 HP, and proposed modifications. | 12th Apr 1929 | Morton \ M2.2 img008 | |
| Recommendations on ordering material for 20 HP chassis, potential modifications, and sales strategy. | 2nd Apr 1929 | Morton \ M2.2 img009 | |
| Future electrical equipment and wiring scheme modifications for a car. | 26th Jul 1920 | Morton \ M2.3 img001 | |
| Alternative electrical wiring schemes, including combined switchbox/ammeter units and non-earthed dynamo systems. | 26th Jul 1920 | Morton \ M2.3 img002 | |
| Design alternatives for a distribution board and wiring system, specifically earthed vs. non-earthed options. | 26th Jul 1920 | Morton \ M2.3 img003 | |
| Wiring arrangements for a Smith cut-out and distribution board, including a reference to battery earthing connections on chassis 6 EX. | 26th Jul 1920 | Morton \ M2.3 img004 | |
| Page discussing frame and earth connection methods and noting a potential error in a passage. | 26th Jul 1920 | Morton \ M2.3 img005 | |
| Hand-drawn block diagram of a non-earthed vehicle electrical system, labelled as the 'Present Standard'. | 19th Feb 1920 | Morton \ M2.3 img006 | |
| Block diagram illustrating a suggested non-earthed electrical circuit. | 18th May 1930 | Morton \ M2.3 img007 | |
| Block diagram illustrating a non-earthed vehicle electrical system. | 18th Mar 1920 | Morton \ M2.3 img008 | |
| Block diagram of a non-earthed electrical system. | 28th Sep 1921 | Morton \ M2.3 img009 | |
| Block diagram of an earthed or non-earthed electrical system. | 19th Feb 1920 | Morton \ M2.3 img010 | |
| Analysis of sylphon tubes for thermostat control, detailing liquid composition and performance tests. | 24th Mar 1920 | Morton \ M2.3 img011 | |
| Updated instructions for the first charge of an accumulator, following a visit from Chloride Electrical Storage Co. | 10th Mar 1920 | Morton \ M2.3 img012 | |
| Instructions on charging procedures, acid changes, and acid density for celluloid and ebonite accumulators. | 10th Mar 1920 | Morton \ M2.3 img013 | |
| Page discussing acid density, frothing, and the proportion of acid to plates in celluloid and ebonite batteries. | 10th Mar 1920 | Morton \ M2.3 img014 | |
| Instructions on battery maintenance, covering the level of acid and procedures for taking a battery out of service. | 10th Mar 1920 | Morton \ M2.3 img015 | |
| Instructions on handling and first-charging new, unfilled batteries with wet wood separators. | 10th Mar 1920 | Morton \ M2.3 img016 | |
| The procedure for the first discharge and recharge of a new battery. | 10th Mar 1920 | Morton \ M2.3 img017 | |
| The sensitivity and testing of Vibrator Voltage & Current Regulators, specifically the Bijur V-Brator model. | 26th Jul 1920 | Morton \ M2.3 img018 | |
| Continued memorandum discussing the adoption of American-style dynamo regulations and recommending the Smith four-brush system. | 26th Jul 1920 | Morton \ M2.3 img019 | |
| Meeting with Mr. Joseph Bijur regarding electric starting and dynamo lighting systems for aero and car engines. | 17th Aug 1920 | Morton \ M2.3 img020 | |
| Merits of Mr. Bijur's 6-volt electrical equipment compared to 12-volt systems. | 17th Aug 1920 | Morton \ M2.3 img021 | |
| The merits of 6-volt versus 12-volt starter systems and a proposal to inspect a Bijur apparatus. | 17th Aug 1920 | Morton \ M2.3 img022 | |
| The merits of third brush control versus vibrator control systems for car voltage regulation. | 17th Aug 1920 | Morton \ M2.3 img023 | |
| Starter motor voltage systems and an arrangement to inspect a Bijur apparatus on a Marmon car. | 17th Aug 1920 | Morton \ M2.3 img024 | |
| Erratic operation of an experimental 12-volt Bijur dynamo and regulator compared to the reliable 6-volt system. | 17th Aug 1920 | Morton \ M2.3 img025 | |
| Discussion comparing 12-volt and 6-volt vibrator regulator systems, focusing on dynamo overloading and lead resistance. | 17th Aug 1920 | Morton \ M2.3 img026 | |
| Specifications of a 6-cylinder Delage car chassis and engine. | 23th Jul 1920 | Morton \ M2.4 img001 | |
| Engine performance issues such as over-oiling, noise, and vibration during road testing. | 23th Jul 1920 | Morton \ M2.4 img002 | |
| Report page with engine performance data (RPM vs HP) and an analysis of the S.E.V. electrical equipment. | 1st Jul 1920 | Morton \ M2.4 img003 | |
| Specifications of the clutch, gearbox, and brakes. | 23th Jul 1920 | Morton \ M2.4 img004 | |
| Brake system tests, detailing performance issues like springiness and comparing braking effectiveness against a Delage car. | 1st Jul 1920 | Morton \ M2.4 img005 | |
| Brake performance tests, comparing stopping distances and providing qualitative feedback. | 1st Jul 1920 | Morton \ M2.4 img006 | |
| Specifications and performance of a car's back axle, steering, chassis, and fuel consumption. | 23th Jul 1920 | Morton \ M2.4 img007 | |
| General conclusion on a car test, comparing four-wheel braking to rear-wheel braking and noting issues with the petrol feed system. | 23th Jul 1920 | Morton \ M2.4 img008 | |
| Issues and performance of Rapson tyres compared to Dunlop tyres. | 16th Dec 1920 | Morton \ M2.4 img009 | |
| Recommending against a component for standard touring cars, suggesting it's better suited for heavier vehicles. | 6th Dec 1920 | Morton \ M2.4 img010 | |
| The final method for dealing with experimental work and drawing distribution. | 11th Jun 1917 | Morton \ M2.4 img011 | |
| Memo outlining the process for distributing casting prints and managing part modifications. | 11th Jun 1917 | Morton \ M2.4 img012 | |
| The inter-departmental process for standardizing parts for production. | 11th Jun 1917 | Morton \ M2.4 img013 | |
| Instructions regarding the recording of experimental work and the standardization process for parts. | 16th Oct 1919 | Morton \ M2.4 img014 | |
| Recommendation on fitting shock absorbers, discussing the effect of spring placement on the axle. | 16th Oct 1919 | Morton \ M2.4 img015 | |
| Serious faults found in an EAC 'V' series car undergoing testing in France. | 28th Sep 1928 | Morton \ M2.4 img016 | |
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