| Description | Date | Identifier | |
| List of tools to be kept in the 20 HP car. | 8th Jun 1923 | Box 46 \ 1 Scan022 | |
| List of tools and spares for a 20 HP vehicle, with some to be left at a garage and extras for touring. | 16th Jun 1923 | Box 46 \ 1 Scan023 | |
| Reduction of tools and equipment supplied with the 40/50 and 20 HP models. | 16th Jun 1923 | Box 46 \ 1 Scan024 | |
| Continued list of suggestions regarding vehicle equipment, including tyres, tools, and fittings for touring. | 16th Jun 1923 | Box 46 \ 1 Scan025 | |
| List of standard and extra touring tools for a 40/50 HP car. | 16th Jun 1923 | Box 46 \ 1 Scan026 | |
| List of standard and touring tools for a 20 HP car. | 10th Sep 1924 | Box 46 \ 1 Scan027 | |
| Poor design of a chassis tool box and the need to create standardized instructions for coachbuilders. | 10th Sep 1924 | Box 46 \ 1 Scan028 | |
| Type and storage of open spanners and other tools for new car models. | 16th Sep 1924 | Box 46 \ 1 Scan029 | |
| Design of sample spanners and the contents of the associated tool kit. | 6th Oct 1924 | Box 46 \ 1 Scan030 | |
| Soft tommy bars and incorrectly bored box spanners for Goshawk 1. | 10th Dec 1924 | Box 46 \ 1 Scan031 | |
| Speedometer gear ratios and the standardisation of lamp fittings for the Goshawk model. | 14th Jan 1922 | Box 46 \ 1 Scan032 | |
| The supply of a car body from Hoopers for Mr. Royce's car, including a specific wish for a cocoa mat. | 2nd Feb 1922 | Box 46 \ 1 Scan033 | |
| Proposal for fitting three 'Goshawk' cars with specific bodies, luggage grids, and spare wheel carriers for a 10,000-mile trial. | 18th Feb 1922 | Box 46 \ 1 Scan034 | |
| Request for materials required for the experimental testing of the Goshawk 11 chassis. | 2nd Feb 1922 | Box 46 \ 1 Scan035 | |
| Weights of the Goshawk chassis, spare wheel, tools, and accessories. | 1st Sep 1922 | Box 46 \ 1 Scan036 | |
| List of spares to be taken on 2 Goshawk IV. | 11th Nov 1922 | Box 46 \ 1 Scan037 | |
| List of spares and tools for a Goshawk, with instructions for creating a model of the storage box. | 11th Nov 1922 | Box 46 \ 1 Scan038 | |
| Mr. Royce's preference for storing Goshawk II spare lamp bulbs in a single box rather than a cylindrical holder. | 11th Nov 1922 | Box 46 \ 1 Scan039 | |
| Allocation and swapping of various 20 HP cars, including Goshawk-11 models. | 23th Nov 1922 | Box 46 \ 1 Scan040 | |
| Complete 'Goshawk' car to prepare a spares list for the 20HP model. | 21th Nov 1922 | Box 46 \ 1 Scan041 | |
| Requesting the preparation of Goshawk spares lists for depots abroad, and discussing the use of an experimental chassis for this purpose. | 23th Nov 1922 | Box 46 \ 1 Scan042 | |
| Request for the weight of tools and spares for the Goshawk chassis in order to revise statistics. | 23th Nov 1922 | Box 46 \ 1 Scan043 | |
| Strategy for organizing spare parts for the 20HP car. | 24th Nov 1922 | Box 46 \ 1 Scan044 | |
| Sending chassis 1.Goshawk-11 as a spare for a 20 HP car. | 25th Nov 1922 | Box 46 \ 1 Scan045 | |
| Creation of a list of useful spares for 20 HP cars to be sent to depots. | 25th Nov 1922 | Box 46 \ 1 Scan046 | |
| Internal request for recommendations on a spares list for 12 Goshawk cars destined for Australia. | 28th Nov 1922 | Box 46 \ 1 Scan047 | |
| Follow-up memo requesting a reply regarding spares for 20HP cars. | 13th Dec 1922 | Box 46 \ 1 Scan048 | |
| Suggested list of spare parts for the 20 HP chassis, listing parts most likely to wear. | 15th Dec 1922 | Box 46 \ 1 Scan049 | |
| List of recommended spare parts for depots and a list of parts that may possibly fail. | 15th Dec 1922 | Box 46 \ 1 Scan050 | |
| List of suggested spare parts for the 20 HP chassis. | 15th Dec 1922 | Box 46 \ 1 Scan051 | |
| List of anticipated spare parts and potential component failures for depots, comparing the 20 HP and 40/50 models. | 15th Dec 1922 | Box 46 \ 1 Scan052 | |
| Recommended spares for 20 HP Goshawk cars to be used in Australia. | 15th Dec 1922 | Box 46 \ 1 Scan053 | |
| List of Goshawk spares for Australia, detailing quantities and part numbers. | 15th Dec 1922 | Box 46 \ 1 Scan054 | |
| List of parts with quantities and corresponding part numbers, page 2. | 13th Apr 1923 | Box 46 \ 1 Scan055 | |
| Proposal to revise the standard set of feeler blades for the 40/50 and Goshawk chassis. | 13th Apr 1923 | Box 46 \ 1 Scan056 | |
| The disposal of non-standard batteries. | 25th Oct 1922 | Box 46 \ 1 Scan057 | |
| Assessing the sale value of a depreciated T.66 4 volt accumulator at 10%. | 30th Jan 1923 | Box 46 \ 1 Scan058 | |
| Authorizing the sale of a C.A.V. accumulator to Geo. Johnson for 6 shillings. | 2nd Feb 1923 | Box 46 \ 1 Scan059 | |
| Listing various Bosch magnetos being sent to Disposal Stores. | 21th Sep 1923 | Box 46 \ 1 Scan060 | |
| Listing starter motors and magnetos being sent for disposal. | 24th Sep 1923 | Box 46 \ 1 Scan061 | |
| Authorizing the supply of a C.A.V. battery to G. Johnson at a discounted price. | 27th Sep 1923 | Box 46 \ 1 Scan062 | |
| Listing various electrical apparatus parts being sent to disposal stores. | 28th Sep 1923 | Box 46 \ 1 Scan063 | |
| Authorising the sale of an obsolete battery to G. Johnson for 26 shillings. | 4th Oct 1923 | Box 46 \ 1 Scan064 | |
| Listing various electrical and mechanical apparatus being sent to stores for disposal. | 9th Oct 1923 | Box 46 \ 1 Scan065 | |
| Confirming the sale of an obsolete battery to G. Johnson for 26 shillings. | 30th Oct 1923 | Box 46 \ 1 Scan066 | |
| Permission for the sale of a C.A.V. battery to an employee. | 20th Oct 1923 | Box 46 \ 1 Scan067 | |
| Request for permission to sell a C.A.V. Battery to a staff member for 26/-. | 5th Feb 1924 | Box 46 \ 1 Scan068 | |
| Authorising the sale of an obsolete 4-volt C.A.V. battery to a staff member for 26/-. | 2nd Feb 1924 | Box 46 \ 1 Scan069 | |
| Disposal of seven old, failed Exide 6-cell batteries. | 9th Apr 1924 | Box 46 \ 1 Scan070 | |
| Sending a sample of six cells from old Exide batteries to Messrs. Taylor & Briggs for examination. | 11th Jun 1924 | Box 46 \ 1 Scan071 | |
| Recommending the acceptance of an offer from Messrs. Taylor & Briggs for old Exide batteries. | 24th Jun 1924 | Box 46 \ 1 Scan072 | |
| Offer from Taylor & Briggs regarding old Exide batteries. | 24th Jun 1924 | Box 46 \ 1 Scan073 | |
| Listing discarded apparatus, including magnetos, coils, and distributors, being sent to stores for disposal. | 4th Mar 1925 | Box 46 \ 1 Scan074 | |
| Listing various discarded electrical apparatus, such as starter motors and switches, for disposal. | 1st Mar 1925 | Box 46 \ 1 Scan075 | |
| Requesting instructions for the disposal of a switchbox and a quantity of dynamo and motor brushes. | 9th Mar 1925 | Box 46 \ 1 Scan076 | |
| Listing electrical apparatus, including dynamos and switchboxes, suitable for repair work. | 9th Mar 1925 | Box 46 \ 1 Scan077 | |
| The condition and credit value of returned electrical equipment, including Lucas and R.R. armatures. | 12th Mar 1925 | Box 46 \ 1 Scan078 | |
| Disposal of two Watford EO6 magnetos. | 17th Apr 1925 | Box 46 \ 1 Scan079 | |
| Provision of two Watford magnetos for a 40/50 model. | 22th Dec 1925 | Box 46 \ 1 Scan080 | |
| Disposal of a Lucas E.575.T. dynamo armature that needs re-winding. | 22th Dec 1925 | Box 46 \ 1 Scan081 | |
| Disposal of parts for a Lucas E.575.T dynamo that needs re-winding. | 23th Dec 1925 | Box 46 \ 1 Scan082 | |
| Return of two potentially noisy New Phantom type Watford Magnetos for the 40/50HP model. | 24th Dec 1925 | Box 46 \ 1 Scan083 | |
| Request to send two green base magnetos to Rough Stores for modification to the latest white base pattern. | 30th Dec 1925 | Box 46 \ 1 Scan084 | |
| The return of four 'green base' magnetos to the Rough Stores. | 31th Dec 1925 | Box 46 \ 1 Scan085 | |
| Cover note requesting instructions for the repair of a Lucas E.575.T Dynamo. | 6th Jan 1926 | Box 46 \ 1 Scan086 | |
| The inspection results and required repairs for a Lucas Dynamo. | 5th Jan 1926 | Box 46 \ 1 Scan087 | |
| The disposal of two obsolete EAC dynamo carcases. | 22th Jan 1926 | Box 46 \ 1 Scan088 | |
| Requesting instructions for the disposal of five experimental 20 HP dynamos. | 17th Mar 1926 | Box 46 \ 1 Scan089 | |
| Request from EFC for two 4 ft. lengths of the smaller section. | 13th Sep 1927 | Box 46 \ 1 Scan090 | |
| Request to issue dormant, unworked Magnet Steel from stores to the Experimental Department. | 14th Sep 1927 | Box 46 \ 1 Scan091 | |
| The purchase of a 20 HP battery. | 3rd Oct 1927 | Box 46 \ 1 Scan092 | |
| Sending 11 obsolete contact breaker levers to have the platinum points removed and returned. | 26th Mar 1929 | Box 46 \ 1 Scan093 | |
| Listing discarded apparatus sent to Stores for disposal. | 1st May 1929 | Box 46 \ 1 Scan094 | |
| Disposal instructions for various vehicle components. | 10th May 1929 | Box 46 \ 1 Scan095 | |
| Requesting the disposal of various electrical components from the Electrical Laboratory. | 3rd Jul 1929 | Box 46 \ 1 Scan096 | |
| The disposal of an experimental Lucas 12-volt dynamo. | 17th Jul 1929 | Box 46 \ 1 Scan097 | |
| Disposal of obsolete electrical laboratory apparatus including dynamos and magnetos. | 15th Aug 1929 | Box 46 \ 1 Scan098 | |
| Purchase of Scintilla Magnetos and instructions for the disposal of two dynamos. | 20th Aug 1929 | Box 46 \ 1 Scan099 | |
| The sale of a Smith 12-volt dynamo to Messrs Taylor & Briggs. | 23th Aug 1929 | Box 46 \ 1 Scan100 | |
| Design modifications to the wheelcase and gears for the Eagle XVI engine. | 14th May 1925 | Box 46 \ 1 Scan101 | |
| Secret internal memo requesting detailing of the wheelcase and gears for the Eagle XVI engine. | 9th Jun 1925 | Box 46 \ 1 Scan102 | |
| Sending a revised drawing for the Eagle XVI wheelcase and gears, including the supercharger mounting and hand starting gear. | 10th Mar 1925 | Box 46 \ 1 Scan103 | |
| Cover note attaching a letter from Col. Bristow concerning the use of Sumet. | 20th Oct 1924 | Box 46 \ 1 Scan104 | |
| Confidential letter from Ogilvie & Partners regarding the use of Sumet metal in Wright Aeronautical engine bearings. | 17th Oct 1924 | Box 46 \ 1 Scan105 | |
| Receipt of Sumet Metal tubes for testing by the Experimental Department. | 1st May 1925 | Box 46 \ 1 Scan106 | |
| Gear breakage issues with the 'EAGLE' IX epicyclic gear and proposing modifications. | 27th Mar 1925 | Box 46 \ 1 Scan107 | |
| New design for the 'Eagle' Epicyclic Gear, specifying changes to the sunwheel and planet pinion. | 25th Oct 1925 | Box 46 \ 1 Scan108 | |
| Epicyclic gears for Imperial Airways Eagle 8 & 9 engines, proposing a trial of a new gear design. | 23th Sep 1927 | Box 46 \ 1 Scan109 | |
| Examination of an Eagle Epicyclic Reduction Gear and urging for it to be tested by Imperial Airways. | 2nd May 1928 | Box 46 \ 1 Scan110 | |
| Secret memo about maintaining absolute secrecy for the design and development of the Super Eagle engine. | 10th Nov 1924 | Box 46 \ 1 Scan111 | |
| Testing of Eagle Engine cylinders with nickel-deposited threads on sparking plug bosses. | 27th Nov 1924 | Box 46 \ 1 Scan112 | |
| Eagle VIII engine failures, the need to ascertain component life, and clarifying departmental responsibility for investigations. | 15th Jan 1926 | Box 46 \ 1 Scan113 | |
| Questioning the decision to use inserted valve seats for the Eagles 8 & 9 engines at a late stage. | 19th Mar 1926 | Box 46 \ 1 Scan114 | |
| Revised design for the carburetter and induction pipe support on Eagle IX aero engines. | 8th Oct 1924 | Box 46 \ 1 Scan115 | |
| Revised induction system for the 'Eagle' IX engine to eliminate pipe breakages. | 10th Oct 1924 | Box 46 \ 1 Scan116 | |
| Note on the standardisation sheet for modified 'Eagle' IX induction pipes. | 1st Feb 1925 | Box 46 \ 1 Scan117 | |
| Alteration document for modified induction pipes on Eagle IX aero engines following failures of the existing parts. | 2nd Feb 1925 | Box 46 \ 1 Scan118 | |
| Clarifying the costs for a new induction pipe scheme on Eagle IX engines. | 3rd Feb 1925 | Box 46 \ 1 Scan119 | |
| Request for an experimental order of castings using a metal called Barronium to address porosity issues in carburetter parts. | 28th Nov 1924 | Box 46 \ 1 Scan120 | |
| Forwarding correspondence from one person to another for handling. | 17th Jun 1919 | Box 46 \ 1 Scan121 | |
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