| Description | Date | Identifier | |
| Strength of the Goshawk steering box after a failure and suggesting further testing. | 23th Jun 1922 | West Wittering \ I \ June1922 Scan99 | |
| Proposed design and modifications for the Goshawk exhaust cutout. | 24th Jun 1922 | West Wittering \ I \ June1922 Scan100 | |
| Experimental proposal for mounting the Goshawk steering column to avoid breakage from frame racking. | 24th Jun 1922 | West Wittering \ I \ June1922 Scan101 | |
| Highly critical report on the performance and condition of a Delage car, comparing it unfavourably to a Rolls-Royce. | 26th Jun 1922 | West Wittering \ I \ June1922 Scan102 | |
| Engine breakdown, comparing magneto and battery ignition systems, with a handwritten note about a Delage vehicle. | 10th Dec 1929 | West Wittering \ I \ June1922 Scan103 | |
| Field report from Grenoble detailing personnel changes, new accommodation, and car mileage. | 8th Jun 1922 | West Wittering \ I \ June1922 Scan104 | |
| Broken front spring plate and engine overheating issues during a road test near Grenoble. | 8th Jun 1922 | West Wittering \ I \ June1922 Scan105 | |
| Test report on engine cooling performance and water loss during a hill climb under different weather conditions. | 8th Jun 1922 | West Wittering \ I \ June1922 Scan106 | |
| Inefficient fan, proposing a modification with new aluminium blades, and the repair of a failed C.A.V dynamo due to overheating. | 10th Jun 1922 | West Wittering \ I \ June1922 Scan107 | |
| Letter detailing car performance and administrative tax issues during a trip in Grenoble, France. | 10th Jun 1922 | West Wittering \ I \ June1922 Scan108 | |
| Testing new, larger fan blades to address an engine overheating issue, and the subsequent investigation into a noisy dynamo. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan109 | |
| Report comparing vehicle performance and overheating issues in hilly terrain, with suggestions for future instrumentation. | 9th Jun 1922 | West Wittering \ I \ June1922 Scan110 | |
| Road test, detailing car performance on gradients, brake condition, a gear box rattle, and mileage. | 6th Sep 1922 | West Wittering \ I \ June1922 Scan111 | |
| Advance blueprints and design considerations for the Goshawk engine's radiator, fan, and cowling. | 6th Sep 1922 | West Wittering \ I \ June1922 Scan112 | |
| Design alteration for the fan bracket and its adjustment mechanism. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan113 | |
| The design, testing, and potential sale of a luggage grid for the Goshawk model. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan114 | |
| Modifications to the wiring for the Goshawk model. | 28th Jun 1922 | West Wittering \ I \ June1922 Scan115 | |
| General layout F51120, specifically conduit clips, tail lamp plug connections, and a lighting junction box. | 29th Jun 1922 | West Wittering \ I \ June1922 Scan116 | |
| Letter requesting the return of a sample cork disc seated petrol cock and noting the move to a needle valve for the Goshawk chassis. | 29th Jun 1922 | West Wittering \ I \ June1922 Scan117 | |
| Evaluation and potential standardization of sample spring washers from a supplier. | 29th Jun 1922 | West Wittering \ I \ June1922 Scan118 | |
| Modification to the Goshawk carburetter's pilot jet adjusting needle. | 29th Jun 1922 | West Wittering \ I \ June1922 Scan119 | |
| Revised design of control lever springs on the Goshawk steering column to reduce load on the hand knobs. | 30th Jun 1922 | West Wittering \ I \ June1922 Scan120 | |
| New, lower-rated spring design for an Autovac tank valve, including material options. | 30th Jun 1922 | West Wittering \ I \ June1922 Scan121 | |
| Adoption of a spring on the throttle valve spindle for Goshawk controls. | 30th Jun 1922 | West Wittering \ I \ June1922 Scan122 | |
| Outlining departmental points and proposed modifications for the Goshawk 11. | 1st May 1922 | West Wittering \ I \ May1922 Scan0 | |
| List of action points and updates on various vehicle components and reported issues. | 1st May 1922 | West Wittering \ I \ May1922 Scan1 | |
| Typed memo outlining the status of various vehicle component issues and design considerations. | 10th May 1922 | West Wittering \ I \ May1922 Scan2 | |
| List of vehicle faults and points for discussion, including steering, batteries, brakes, and engine issues. | 28th Nov 1923 | West Wittering \ I \ May1922 Scan3 | |
| Design of the Goshawk II distribution box cover, with suggestions for materials and insulation. | 5th May 1922 | West Wittering \ I \ May1922 Scan4 | |
| Model of a cork faced cock from Messrs Benton & Stone for the 40/50 chassis. | 1st May 1922 | West Wittering \ I \ May1922 Scan5 | |
| Design modifications and dimensions for the Goshawk 11 open car. | 2nd May 1922 | West Wittering \ I \ May1922 Scan6 | |
| Proposal for carrying a second spare wheel on the running board and requesting prints from a drawing. | 20th May 1922 | West Wittering \ I \ May1922 Scan7 | |
| Double spring scheme for the Goshawk 11 clutch. | 18th May 1922 | West Wittering \ I \ May1922 Scan8 | |
| Design and fitting instructions for revised front wings on the Goshawk 11 model. | 3rd May 1922 | West Wittering \ I \ May1922 Scan9 | |
| Note regarding a drawing for a wheel carrier bracket and a forthcoming drawing for a rear wing. | 25th May 1928 | West Wittering \ I \ May1922 Scan10 | |
| Failures of dynamo brushes, commutator, and steering box during a 10,000-mile test. | 5th May 1922 | West Wittering \ I \ May1922 Scan11 | |
| Technical report discussing proposed improvements to carburetion, bodywork, and other components. | 10th Dec 1920 | West Wittering \ I \ May1922 Scan12 | |
| Vehicle standardisation, road handling, electrical equipment, and colour specifications. | 10th Dec 1920 | West Wittering \ I \ May1922 Scan13 | |
| Design modifications to the Goshawk 11 Autovac tank. | 6th May 1922 | West Wittering \ I \ May1922 Scan14 | |
| Modifications to the Cosham side steering tube. | 5th May 1922 | West Wittering \ I \ May1922 Scan15 | |
| Proposal for Goshawk 11 head lamp wiring, addressing issues with wire shearing and water accumulation. | 6th May 1922 | West Wittering \ I \ May1922 Scan16 | |
| Modification to the Goshawk 11 Battery Box Support. | 1st May 1922 | West Wittering \ I \ May1922 Scan17 | |
| Revised drawing for the rear wings of a Goshawk 11 open touring body. | 10th May 1922 | West Wittering \ I \ May1922 Scan18 | |
| Proposed improved joints for Goshawk II brake connections. | 18th May 1922 | West Wittering \ I \ May1922 Scan19 | |
| Drawing No. LeC 1566 for a Goshawk 11 gearbox breather to fix oil leaks and rust. | 10th May 1922 | West Wittering \ I \ May1922 Scan20 | |
| Confirming design suggestions for strengthening the Goshawk rear axle and modifying related components. | 5th May 1922 | West Wittering \ I \ May1922 Scan21 | |
| Alterations to the Goshawk 11 engine to cure oil leaks from the valve gear covers. | 5th May 1922 | West Wittering \ I \ May1922 Scan22 | |
| Proposal to investigate oil leaks from a Goshawk II engine's valve gear covers by using a sectioned cover for observation. | 16th May 1922 | West Wittering \ I \ May1922 Scan23 | |
| Modifying the Goshawk 11 gearbox cover to use standard square head bolts. | 9th May 1922 | West Wittering \ I \ May1922 Scan24 | |
| Design modifications and drawings for the Goshawk 11 undershield. | 10th May 1922 | West Wittering \ I \ May1922 Scan25 | |
| Proposals for modifying the Goshawk 11 front end of the rear spring, including increasing pin size and altering components for clearance. | 10th May 1922 | West Wittering \ I \ May1922 Scan26 | |
| Proposal for alterations to the rear end of the Goshawk 11 front springs. | 10th May 1922 | West Wittering \ I \ May1922 Scan27 | |
| Confirming experiments on the Goshawk 11 cross steering tube. | 10th May 1922 | West Wittering \ I \ May1922 Scan28 | |
| Goshawk 11 starting carburetter and mixture control on the instrument board. | 10th May 1922 | West Wittering \ I \ May1922 Scan29 | |
| Drawing No. Lec 1570, detailing a longer Goshawk II dumb iron with larger bolts and rivets. | 10th May 1922 | West Wittering \ I \ May1922 Scan30 | |
| Proposal for treating dynamo end covers on various chassis types, including those with and without magnetos. | 13th May 1922 | West Wittering \ I \ May1922 Scan31 | |
| Modifying a dynamo cover and lubricator for easier inspection and clamping. | 11th May 1922 | West Wittering \ I \ May1922 Scan32 | |
| Drawing Lec 1572, which details modifications to the Goshawk II Dynamo brushes. | 11th May 1922 | West Wittering \ I \ May1922 Scan33 | |
| Experimental change to the Goshawk 11 dynamo drive, replacing a serrated shaft with a plain taper and keys. | 18th May 1922 | West Wittering \ I \ May1922 Scan34 | |
| Modifications to the Goshawk II dynamo brushes and field connections. | 11th May 1922 | West Wittering \ I \ May1922 Scan35 | |
| Modifications to the Goshawk 11 control gear regarding the toggling lever. | 11th May 1922 | West Wittering \ I \ May1922 Scan36 | |
| Telegram received by telephone concerning a front suspension tube query. | 12th May 1922 | West Wittering \ I \ May1922 Scan37 | |
| Proposed modifications to the Goshawk 11 battery ignition's high tension moulding and locating pip. | 12th May 1933 | West Wittering \ I \ May1922 Scan38 | |
| Modified print for the Goshawk 11 accelerator pedal. | 13th May 1922 | West Wittering \ I \ May1922 Scan39 | |
| Clarifying the design of the Goshawk engine suspension tube fixing regarding thermal expansion. | 13th May 1922 | West Wittering \ I \ May1922 Scan40 | |
| Sending drawing LeC 1576 for the Peregrine cylinder head and valve gear. | 15th May 1922 | West Wittering \ I \ May1922 Scan41 | |
| Outline drawing for Peregrine frame side members and advising against ordering dies. | 15th May 1922 | West Wittering \ I \ May1922 Scan42 | |
| Modifications to the front springs on the Goshawk 11. | 15th May 1922 | West Wittering \ I \ May1922 Scan43 | |
| Reduction of rivets for Ferodo and Raybestos brake linings on Goshawk 11 rear brake shoes. | 17th May 1922 | West Wittering \ I \ May1922 Scan44 | |
| The disappointing performance and technical faults of a purchased D.F.P. car. | 17th May 1922 | West Wittering \ I \ May1922 Scan45 | |
| Poor-quality chassis, comparing it unfavourably to a Fiat and detailing its defects. | 17th May 1922 | West Wittering \ I \ May1922 Scan46 | |
| Urgent modifications for the Goshawk 11 car (X4219) following a 3700-mile test in France. | 17th May 1922 | West Wittering \ I \ May1922 Scan47 | |
| Poor workmanship regarding car springs, recommending the dismissal of the responsible staff. | 10th Dec 1920 | West Wittering \ I \ May1922 Scan48 | |
| Drawing Lec 1578, which details an improved commutator design for the Goshawk 11 dynamo. | 17th May 1922 | West Wittering \ I \ May1922 Scan49 | |
| Alternative method of construction for a Goshawk 11 Dynamo commutator. | 18th May 1922 | West Wittering \ I \ May1922 Scan50 | |
| Outlining cost-saving modifications to the Goshawk 11 starting shaft cover. | 18th May 1922 | West Wittering \ I \ May1922 Scan51 | |
| Alternative methods for fixing the front dumb iron, comparing riveting and bolting. | 18th May 1922 | West Wittering \ I \ May1922 Scan52 | |
| With a drawing requesting a modification to the Goshawk 11 rear wing stay attachment. | 18th May 1922 | West Wittering \ I \ May1922 Scan53 | |
| Suggested improvements to the Goshawk II differential. | 19th May 1922 | West Wittering \ I \ May1922 Scan54 | |
| Failure of Goshawk II dynamo commutators and proposing design improvements. | 19th May 1922 | West Wittering \ I \ May1922 Scan55 | |
| Dynamo modifications, including alternative brushes and commutator materials. | 10th Dec 1920 | West Wittering \ I \ May1922 Scan56 | |
| Issues with flats on Goshawk 11 rocker rollers and proposing potential solutions. | 19th May 1922 | West Wittering \ I \ May1922 Scan57 | |
| Typed memorandum discussing the practicality of an arrangement involving slack rollers. | 10th Dec 1920 | West Wittering \ I \ May1922 Scan58 | |
| Potential reasons for the breaking of the Goshawk II steering box. | 19th May 1922 | West Wittering \ I \ May1922 Scan59 | |
| Suggestions regarding stress relief and material choice for a component box and steering tube. | 16th Dec 1920 | West Wittering \ I \ May1922 Scan60 | |
| The wear, design, and adjustment of the Goshawk II brakes. | 19th May 1922 | West Wittering \ I \ May1922 Scan61 | |
| Goshawk 11 rear brakes, specifically the brake drum damper and mud fling design. | 19th May 1922 | West Wittering \ I \ May1922 Scan62 | |
| Modifications to the Goshawk 11 side steering tube as requested by Mr. Royce. | 19th May 1922 | West Wittering \ I \ May1922 Scan63 | |
| Design and materials for the Goshawk 11 rear number plate and tail lamp. | 19th May 1922 | West Wittering \ I \ May1922 Scan64 | |
| Modifications to the Goshawk II brake lever press button to prevent rattling. | 20th May 1922 | West Wittering \ I \ May1922 Scan65 | |
| Performance, torque, and hill-climbing capabilities of the Goshawk 11. | 20th May 1922 | West Wittering \ I \ May1922 Scan66 | |
| Modifications to the Goshawk 11 rear spring rear shackles following a 10,000-mile trial. | 20th May 1922 | West Wittering \ I \ May1922 Scan67 | |
| Modification for the Goshawk 11 front shock absorber, superseding a previous one. | 20th May 1922 | West Wittering \ I \ May1922 Scan68 | |
| Telegram received by telephone inquiring about viewing the latest 'B' pedals and the Goshawk R limousine. | 20th May 1922 | West Wittering \ I \ May1922 Scan69 | |
| Following up on the location and progress of a Goshawk 11 limousine with modified 'B' pedals for Mr. Royce's inspection. | 20th May 1922 | West Wittering \ I \ May1922 Scan70 | |
| The design of the jaw end for the Goshawk 11 rear brake cables. | 20th May 1922 | West Wittering \ I \ May1922 Scan71 | |
| Driver's seat and steering comfort improvements for Goshawk models. | 22th May 1928 | West Wittering \ I \ May1922 Scan72 | |
| Modifications to seating, frame, and steering for driver comfort and body construction for Goshawks. | 22th May 1922 | West Wittering \ I \ May1922 Scan73 | |
| Issues with front spring clamping and proposed design improvements. | 22th May 1922 | West Wittering \ I \ May1922 Scan74 | |
| Design policy, component strengthening based on testing, and specific arrangements for the Goshawk and 40/50 models. | 10th Dec 1940 | West Wittering \ I \ May1922 Scan75 | |
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