| Description | Date | Identifier | |
| Request for a Weston instrument testing set to measure volts and amperes for ignition, charging, and lighting. | 17th Jan 1918 | Box 34 \ 4 Scan003 | |
| Bench testing of a Bijur charging dynamo and proposals for alternative testing equipment. | 19th Jan 1918 | Box 34 \ 4 Scan004 | |
| Continued memorandum regarding accurately adjusting and calibrating shunts from the Experimental Department. | 19th Jan 1918 | Box 34 \ 4 Scan005 | |
| Quote from Weston Electrical Instrument Co. for a milliammeter for Mr. Royce's testing set. | 22th Jan 1918 | Box 34 \ 4 Scan006 | |
| Voltage capabilities of a Bijur Dynamo for charging a 12-volt battery system. | 22th Jan 1918 | Box 34 \ 4 Scan007 | |
| Piece of platinum from a scrapped job. | 23th Jan 1918 | Box 34 \ 4 Scan008 | |
| Future of an 'After-the-War-Model' car with an unorthodox gearbox and its 6-volt electrical system. | 28th Apr 1917 | Box 34 \ 4 Scan009 | |
| Letter to The Weston Electrical Instrument Co. requesting a price quote for a 0 to 15 milliammeter. | 25th Jan 1918 | Box 34 \ 4 Scan010 | |
| Letter from Weston Electrical Instrument Company offering to supply a Model 45 Mil-Ammeter. | 28th Jan 1918 | Box 34 \ 4 Scan011 | |
| Advertisement sheet for a Weston Portable D.C. Instrument, Model 45. | 30th Jun 1918 | Box 34 \ 4 Scan012 | |
| Evaluation and recommendation of a 'Bijur' dynamo over a 'Lucas' dynamo for a future chassis. | 29th Jan 1918 | Box 34 \ 4 Scan013 | |
| Developing a shunt-wound dynamo and regulator for the 'after-the-war-chassis' based on a 'Bijur' set. | 29th Jan 1918 | Box 34 \ 4 Scan014 | |
| Extract discussing the procurement and modification of a Weston model 45 testing instrument for the Bijur Dynamo & Regulator. | 7th Feb 1918 | Box 34 \ 4 Scan015 | |
| Requesting the order of a Weston Electrical Instrument for Mr. Royce, specifying required measurement ranges. | 18th Feb 1918 | Box 34 \ 4 Scan016 | |
| Inquiry to The Weston Electrical Instrument Co. regarding the specifications of a Model 45 portable D.C. Instrument. | 20th Feb 1915 | Box 34 \ 4 Scan017 | |
| Letter from Weston Electrical Instrument Company regarding the supply of a Model 45 Volt-Ammeter. | 21th Feb 1918 | Box 34 \ 4 Scan018 | |
| Estimate from the Weston Electrical Instrument Company for a portable volt-ammeter. | 21th Feb 1918 | Box 34 \ 4 Scan019 | |
| The return of aero engine parts to Derby. | 28th Feb 1918 | Box 34 \ 4 Scan020 | |
| Handling of aero engine parts returned from West Wittering. | 5th Mar 1918 | Box 34 \ 4 Scan021 | |
| Order of a double range Volt Ammeter for Mr. Royce from Weston Electrical Instrument Co. | 13th Mar 1918 | Box 34 \ 4 Scan022 | |
| Notification of a received double range Volt Ammeter from The Weston Elec: Instrument Co. for Mr Royce. | 3rd Apr 1918 | Box 34 \ 4 Scan023 | |
| The shipping of a volt ammeter to Mr. Royce. | 8th Apr 1918 | Box 34 \ 4 Scan024 | |
| Receipt, calibration, and dispatch of a Weston volt ammeter to West Wittering. | 9th Apr 1918 | Box 34 \ 4 Scan025 | |
| The despatch of a volt ammeter to Mr. Royce. | 9th Apr 1918 | Box 34 \ 4 Scan026 | |
| Charging of an electrical instrument for Mr. Royce's experimental work on chassis 7 C-A. | 12th Apr 1918 | Box 34 \ 4 Scan027 | |
| The receipt of a volt ammeter for Mr. Royce. | 27th Apr 1918 | Box 34 \ 4 Scan028 | |
| Expressing satisfaction with a received volt ammeter for small testing purposes. | 26th Apr 1918 | Box 34 \ 4 Scan029 | |
| Confirmation of a telegram from Royce requesting a block of Lignum Vitae wood for expansion experiments. | 21th May 1918 | Box 34 \ 4 Scan030 | |
| Confirming the dispatch of a piece of Lignum Vitae as requested by telegram. | 22th May 1918 | Box 34 \ 4 Scan031 | |
| Requesting the procurement of hydrometers for testing accumulator acid and petrol. | 26th Aug 1918 | Box 34 \ 4 Scan032 | |
| Request to obtain a syringe-type hydrometer for measuring the specific gravity of accumulator acid for West Wittering. | 28th Aug 1918 | Box 34 \ 4 Scan033 | |
| Request for a board with hooks to display specimen springs used on car and aero engine work for West Wittering. | 28th Aug 1918 | Box 34 \ 4 Scan034 | |
| Confirming the dispatch of inner tubes and a hydrometer. | 9th Sep 1918 | Box 34 \ 4 Scan035 | |
| Typed memo requesting specific parts, including taps and drills, for an office anthracite stove. | 12th Sep 1918 | Box 34 \ 4 Scan036 | |
| Various taps, wrenches, and drills. | 16th Sep 1918 | Box 34 \ 4 Scan037 | |
| Return of inner tubes and replacement with correct sized valves. | 4th Oct 1918 | Box 34 \ 4 Scan038 | |
| Sending two 700/80 inner tubes with larger valves and requesting the return of others. | 7th Oct 1918 | Box 34 \ 4 Scan039 | |
| Despatch note listing various taps, drills, and a hydrometer. | 19th Oct 1918 | Box 34 \ 4 Scan040 | |
| The despatch of materials for Mr. Royce. | 24th Oct 1918 | Box 34 \ 4 Scan041 | |
| Confirming the order and despatch of copper wire, solder, brass screws and other materials. | 29th Aug 1918 | Box 34 \ 4 Scan042 | |
| Brief memo from E.H. to R. confirming the dispatch of four requested washers. | 14th Nov 1918 | Box 34 \ 4 Scan043 | |
| Request for a pressed steel drip tray and meat cloth wipers for the West Wittering garage, on the instruction of Mr. Royce. | 5th Dec 1918 | Box 34 \ 4 Scan044 | |
| Fuel mixture for engine detonations, Mr. Royce's car request, and fitting aluminium pistons to car 1713. | 17th Dec 1918 | Box 34 \ 4 Scan045 | |
| From EH to Wor. outlining action points from a meeting with Mr. Royce concerning machinery, car acquisition, and manufacturing processes. | 17th Dec 1918 | Box 34 \ 4 Scan046 | |
| Sending a 2-cylinder lightweight Bosch magneto to Mr. Royce for his lighting and pumping engine. | 8th Jan 1919 | Box 34 \ 4 Scan047 | |
| Testing a non-trembler ignition coil and requesting additional electrical components. | 3rd Feb 1919 | Box 34 \ 4 Scan048 | |
| Ignition components sent for approval and a planned visit to W.W. Hives. | 11th Feb 1919 | Box 34 \ 4 Scan049 | |
| To the Shipping Office instructing them to send various electrical components to Mr. Royce. | 12th Feb 1919 | Box 34 \ 4 Scan050 | |
| Request for specific types of vulcanised wiring for a lighting installation at West Wittering. | 13th Mar 1919 | Box 34 \ 4 Scan051 | |
| Clarifying the type of wire required for a lighting installation at West Wittering. | 17th Mar 1919 | Box 34 \ 4 Scan052 | |
| Typed internal memo requesting various materials and tools to be obtained for Mr. Royce for West Wittering. | 19th Mar 1919 | Box 34 \ 4 Scan053 | |
| Internal request for 50 yards of low tension ignition wire from the Siddals Road store. | 28th Mar 1919 | Box 34 \ 4 Scan054 | |
| Confirming the dispatch of 50 yards of braided cotton covered low tension ignition wire. | 28th Mar 1919 | Box 34 \ 4 Scan055 | |
| Instructing the dispatch of 50 yards of braided cotton covered low tension ignition wire to Mr. Royce for general chassis purposes. | 28th Mar 1919 | Box 34 \ 4 Scan056 | |
| 50 yards of low tension ignition wire with braided cotton covering. | 28th Mar 1919 | Box 34 \ 4 Scan057 | |
| The despatch of experimental parts and chargeable tools to Mr. Royce. | 1st Apr 1919 | Box 34 \ 4 Scan058 | |
| Dispatch of 3 Acetylene Lamp Nipples. | 1st Apr 1919 | Box 34 \ 4 Scan059 | |
| Confirming the dispatch of files and tools, noting some items are still to follow. | 2nd Apr 1919 | Box 34 \ 4 Scan060 | |
| Listing the contents of boxes of materials and parts returned from West Wittering to Derby. | 5th May 1919 | Box 34 \ 4 Scan061 | |
| Return and handling of radiator tubes, glazing specimens, and other articles. | 1st May 1919 | Box 34 \ 4 Scan062 | |
| Instructions for a Bijur Dynamo, modified for running at 12 volts. | 6th Jun 1919 | Box 34 \ 4 Scan063 | |
| The dispatch of a Bijur dynamo to Mr. Royce as a loan for his lighting installation. | 6th Jun 1919 | Box 34 \ 4 Scan064 | |
| Suitability of a young Fitter for odd jobs on a car. | 10th Jun 1919 | Box 34 \ 4 Scan065 | |
| Requesting assorted split pins and Dunlop 'fitter's stops', and providing feedback on a security bolt tyre lever. | 1st Jul 1919 | Box 34 \ 4 Scan066 | |
| Order for 3 Fitters Stops from Messrs. Dunlop. | 23th Jul 1919 | Box 34 \ 4 Scan067 | |
| Internal request for the despatch of various sizes of split pins to Mr. Royce. | 31th Jul 1919 | Box 34 \ 4 Scan068 | |
| Urgent internal memo chasing a delivery of Ediswan 24 c.p. lamps for Mr. Royce at West Wittering. | 24th Aug 1919 | Box 34 \ 4 Scan069 | |
| Difficulty in sourcing correct 12-volt bulbs for West Wittering, detailing issues with candle power and a physical defect. | 4th Aug 1919 | Box 34 \ 4 Scan070 | |
| The return of an unsuitable brass mounted ballast resistance and a request for a replacement. | 26th Aug 1919 | Box 34 \ 4 Scan071 | |
| Requesting a standard 40/50 HP chassis ballast resistance for Mr. Royce. | 28th Aug 1919 | Box 34 \ 4 Scan072 | |
| Request for different sizes and quantities of washers for Mr. Royce. | 29th Aug 1919 | Box 34 \ 4 Scan073 | |
| Provision of a Ballast Resistance for Mr. Royce's inspection and use. | 22th Aug 1919 | Box 34 \ 4 Scan074 | |
| Confirming the despatch of various lubricating oils and referencing a future letter on the topic. | 2nd Sep 1919 | Box 34 \ 4 Scan075 | |
| Requesting a 40-gallon drum of benzol and an improvised pump for West Wittering, as per Mr. Royce's wishes. | 9th Sep 1919 | Box 34 \ 4 Scan076 | |
| Request for a 40 or 50 gallon drum of Benzole to be sent to Mr. Royce, charged to his account. | 8th Sep 1919 | Box 34 \ 4 Scan077 | |
| The dispatch of a drum of benzole and the purchase of a Wilcox semi-rotary pump. | 9th Sep 1919 | Box 34 \ 4 Scan078 | |
| The acquisition of two fitter's stops from the Dunlop Company. | 10th Sep 1919 | Box 34 \ 4 Scan079 | |
| Requesting the price of a Wilcox semi-rotary pump for emptying benzol drums. | 19th Sep 1919 | Box 34 \ 4 Scan080 | |
| Procurement and delivery of benzol fuel for West Wittering. | 19th Sep 1919 | Box 34 \ 4 Scan081 | |
| Charging for quantities of Benzol and Petrol sent to West Wittering. | 1st Oct 1919 | Box 34 \ 4 Scan082 | |
| Requesting a complete ignition coil and ballast resistance for testing purposes. | 8th Oct 1919 | Box 34 \ 4 Scan083 | |
| Request for an ignition coil and ballast resistance for Mr. Royce's use at West Wittering. | 9th Oct 1919 | Box 34 \ 4 Scan084 | |
| To Mr. Coverley instructing him to begin work on an apparatus for Mr. Royce. | 11th Oct 1919 | Box 34 \ 4 Scan085 | |
| Request to the Experimental Department for the manufacture of two replacement plates, along with specifications for associated washers. | 1st Oct 1919 | Box 34 \ 4 Scan086 | |
| Urgent internal memo chasing an unfulfilled request for materials for Mr. Royce in West Wittering. | 15th Oct 1919 | Box 34 \ 4 Scan087 | |
| Confirming the return of modified parts, including two types of washers, and the separate dispatch of an ignition coil. | 15th Oct 1919 | Box 34 \ 4 Scan088 | |
| The dispatch of parts, including a spark coil and substituted washers, for Mr. Royce. | 15th Oct 1919 | Box 34 \ 4 Scan089 | |
| Request to supply an Ignition Coil and Ballast Resistance to Mr Royce from production. | 15th Oct 1919 | Box 34 \ 4 Scan090 | |
| Despatch of an experimental ignition coil for Mr. Royce. | 15th Oct 1919 | Box 34 \ 4 Scan091 | |
| The despatch of an oil tray and a hack saw frame. | 17th Oct 1919 | Box 34 \ 4 Scan092 | |
| Confirming the 12-volt requirement for an ignition coil and ballast resistance, and requesting an expected delivery date. | 20th Oct 1919 | Box 34 \ 4 Scan093 | |
| Confirming the despatch of a new coil and ballast resistance. | 22th Oct 1919 | Box 34 \ 4 Scan094 | |
| Request for one dozen scrapers for cleaning sparking plugs. | 17th Nov 1919 | Box 34 \ 4 Scan095 | |
| Reminder about an outstanding Girder minor spanner from the Lucas Company required for Mr. Royce at West Wittering. | 19th Nov 1919 | Box 34 \ 4 Scan096 | |
| Requesting the return of a chassis coil and to locate a missing special condenser. | 25th Nov 1919 | Box 34 \ 4 Scan097 | |
| Requesting the supply of a standard condenser for R. | 27th Nov 1919 | Box 34 \ 4 Scan098 | |
| 12-volt chassis coil and two condensers for chassis 1 E.X. | 27th Nov 1919 | Box 34 \ 4 Scan099 | |
| Confirming the dispatch of one dozen K.L.G. Plug Cleaners. | 27th Nov 1919 | Box 34 \ 4 Scan100 | |
| Internal memorandum about returning an experimental 12-volt ignition coil to Mr. Royce. | 27th Nov 1919 | Box 34 \ 4 Scan101 | |
| Internal request to order a 'Girder Minor Spanner' from Messrs. Lucas for Mr. Royce's use. | 27th Nov 1919 | Box 34 \ 4 Scan102 | |
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