| Description | Date | Identifier | |
| Requesting the design of Gordon-Armstrong type rear dampers for the Wraith model. | 27th May 1939 | Box 9 \ 8 08-page61 | |
| Blueprints for a test rig for a shock damper lever on the Wraith chassis. | 19th Jul 1939 | Box 9 \ 8 08-page62 | |
| Potential alterations to the 2200 series chassis for the Olympia exhibition. | 20th Mar 1912 | Box 10 \ 1 01-page01 | |
| The production timeline for the SS00 series and exhibition plans for Olympia. | 1st Mar 1912 | Box 10 \ 1 01-page02 | |
| Several aesthetic and functional improvements for a show chassis. | 1st Aug 1913 | Box 10 \ 1 01-page03 | |
| Modifications to Eagle and Falcon engine components, including cylinder stud nuts and rubber joint washers. | 1st Aug 1917 | Box 10 \ 1 01-page04 | |
| Instructions for preparing a show chassis, including polishing and parts modifications. | 15th Aug 1913 | Box 10 \ 1 01-page05 | |
| Instruction document, possibly for an engine. | 18th Aug 1913 | Box 10 \ 1 01-page06 | |
| Instructions for modifications to polished chassis 2106, including buffer and shock absorber removal. | 18th Aug 1913 | Box 10 \ 1 01-page07 | |
| Heavily faded and mirrored instruction sheet. | 2nd Sep 1913 | Box 10 \ 1 01-page08 | |
| Letter to Mr. Mercer discussing the replacement of obsolete parts on a show car. | 2nd Sep 1913 | Box 10 \ 1 01-page09 | |
| Instructions for supplying parts and modifying the rear shock absorbers for chassis 2106. | 3rd Sep 1913 | Box 10 \ 1 01-page11 | |
| Instructions for supplying and fitting parts to a chassis, and how to debit the costs for a rear axle job. | 10th Dec 1931 | Box 10 \ 1 01-page12 | |
| Fittings and wiring alterations for a show chassis. | 3rd Sep 1913 | Box 10 \ 1 01-page13 | |
| Faded document page with bleed-through text from the reverse side. | 18th Jul 1913 | Box 10 \ 1 01-page14 | |
| List of special cars required for show purposes with delivery deadlines. | 28th Jul 1919 | Box 10 \ 1 01-page15 | |
| Very faded typed document with a handwritten annotation on the left and a reference code on the right. | 25th Oct 1916 | Box 10 \ 1 01-page16 | |
| Urgent work required on a Dummy chassis before October 4th. | 28th Sep 1922 | Box 10 \ 1 01-page17 | |
| Internal memorandum or report marked with a large 'RECEIVED' stamp. | 2nd Jan 1934 | Box 10 \ 1 01-page18 | |
| The urgent requirement for Goshawk cars and a dummy chassis for showroom display and demonstration purposes. | 27th Sep 1922 | Box 10 \ 1 01-page19 | |
| Internal correspondence regarding the preparation of a demonstration car for press trials. | 27th Sep 1922 | Box 10 \ 1 01-page21 | |
| List of parts to be fitted to 'Dummy Goshawks' for coachbuilders Hoopers and Barkers. | 27th Sep 1922 | Box 10 \ 1 01-page23 | |
| Strip and examination report outlining the main points to be noted after an engine type test. | 23th Aug 1938 | Box 10 \ 1 01-page24 | |
| List of parts to be fitted to two Dummy Goshawks for coachbuilders Hoopers and Parkers. | 7th Sep 1922 | Box 10 \ 1 01-page25 | |
| List of alterations to the general arrangement drawing for the R.A.F. Type 'Condor' Series IV aero engine. | 28th May 1925 | Box 10 \ 1 01-page26 | |
| Issues encountered while finishing the Dummy Goshawk Chassis, specifically short footboards and heavy shutters. | 5th Oct 1922 | Box 10 \ 1 01-page27 | |
| Severely faded and illegible document, marked with a purple 'RECEIVED' stamp. | 24th Jul 1924 | Box 10 \ 1 01-page28 | |
| Delivery schedule of 20 chassis with front wheel brakes for upcoming shows and trials. | 24th Jul 1924 | Box 10 \ 1 01-page29 | |
| Featuring calculations, likely related to weight percentages, with prominent watermarks. | 2nd Jun 1914 | Box 10 \ 1 01-page30 | |
| Chassis delivery dates and the standardization of front wheel brakes for the Paris & Olympia shows. | 1st Jul 1924 | Box 10 \ 1 01-page31 | |
| Heavily faded document with an embossed stamp. | 1st Jul 1924 | Box 10 \ 1 01-page32 | |
| Logistics of retrofitting front wheel brakes to customer cars and potential material shortages. | 1st Jul 1924 | Box 10 \ 1 01-page33 | |
| Mirrored imprint of an appendix document with a large central title. | 19th Sep 1925 | Box 10 \ 1 01-page34 | |
| Press release letter to a motoring editor detailing cars and prices for the Olympia Motor Exhibition. | 19th Sep 1925 | Box 10 \ 1 01-page35 | |
| Heavily faded and almost completely illegible document. | 1st Oct 1925 | Box 10 \ 1 01-page36 | |
| Description of two vehicles exhibited at the Olympia motor show in 1925. | 1st Oct 1925 | Box 10 \ 1 01-page37 | |
| Cover or divider page with embossed vertical text for a report. | 1st Oct 1925 | Box 10 \ 1 01-page38 | |
| Description of Photograph No. 3, detailing a 20 HP chassis with a six-seater Brougham Limousine body. | 3rd Oct 1925 | Box 10 \ 1 01-page39 | |
| Heavily faded document with a 'RECEIVED' stamp. | 3rd Oct 1925 | Box 10 \ 1 01-page40 | |
| Photograph No. 1 of a vintage saloon car. | 3rd Oct 1925 | Box 10 \ 1 01-page41 | |
| Side profile photograph of a vintage car, labeled as Photograph No. 2. | 3rd Oct 1925 | Box 10 \ 1 01-page43 | |
| Blank or completely faded document page. | 3rd Oct 1925 | Box 10 \ 1 01-page44 | |
| Side-view photograph of a saloon car. | 8th May 1931 | Box 10 \ 1 01-page45 | |
| Scheme to adapt existing 'N' type crankcases for the 'Show Chassis' to reduce scrap, detailing the necessary modifications. | 8th May 1931 | Box 10 \ 1 01-page47 | |
| Design improvements and differences for the 'N' series Show Chassis. | 7th May 1931 | Box 10 \ 1 01-page49 | |
| The production and financial implications of introducing the 'N' series chassis for the Phantom II. | 7th May 1931 | Box 10 \ 1 01-page51 | |
| Piston pin materials and oil flow, and an investigation into a burst cast iron flywheel on chassis 2100E. | 12th Aug 1913 | Box 10 \ 1 01-page53 | |
| Heavily faded and stamped document with mostly illegible text. | 5th Mar 1929 | Box 10 \ 1 01-page54 | |
| Problems with split pins for gudgeon pin set screws breaking and requesting suggestions for alternatives. | 15th Jan 1923 | Box 10 \ 1 01-page55 | |
| Piston Pin and Locking Screws, attaching a related document received from Springfield. | 10th Aug 1923 | Box 10 \ 1 01-page57 | |
| The content of the document is illegible due to severe fading and degradation. | 31th Jul 1923 | Box 10 \ 1 01-page58 | |
| Failures of piston pin locking screws (E-20096) and a proposal for a redesigned version. | 31th Jul 1923 | Box 10 \ 1 01-page59 | |
| Proposal regarding a tapered lock-screw to increase its strength and reduce piston pin distortion, seeking Mr. Royce's opinion. | 9th Aug 1928 | Box 10 \ 1 01-page61 | |
| Faint document with a large red 'COPY' watermark and a purple 'RECEIVED' date stamp. | 9th Aug 1928 | Box 10 \ 1 01-page62 | |
| Various design proposals and fixing methods for piston pins. | 5th Sep 1923 | Box 10 \ 1 01-page63 | |
| Results of a 100-hour test run on an aluminium cylinder head for a Goshawk engine. | 23th Feb 1933 | Box 10 \ 1 01-page64 | |
| American standardisation sheet discussing the transfer of Gudgeon Pin experiments from the Silver Ghost to the Phantom model. | 1st May 1926 | Box 10 \ 1 01-page65 | |
| Notice regarding modifications to the standard engine supercharger drive from July 1st. | 15th Nov 1927 | Box 10 \ 1 01-page66 | |
| Material, heat treatment, and testing of piston pins due to an urgent matter of repeated failures. | 15th Nov 1927 | Box 10 \ 1 01-page67 | |
| Issue with a carburetter needle being too small and the required modifications. | 3rd Oct 1923 | Box 10 \ 1 01-page68 | |
| Recommending a material change for piston pins from casehardened to high duty alloy steel. | 15th Mar 1928 | Box 10 \ 1 01-page69 | |
| Proposing a series of tests on pistons to investigate gudgeon pin distortion, focusing on pin size and piston brinell hardness. | 31th May 1928 | Box 10 \ 1 01-page71 | |
| Defects in castings, proposed testing methods, and requirements for suppliers. | 16th Feb 1926 | Box 10 \ 1 01-page72 | |
| Design and specifications of the Wraith II petrol tank. | 23th Jun 1936 | Box 10 \ 2 02-page01 | |
| Tests conducted to resolve television reception interference caused by engine ignition systems on the test bed. | 7th Oct 1936 | Box 10 \ 2 02-page02 | |
| Suggesting a modification to the fixing position of the Wraith II petrol tank vent pipe. | 7th Oct 1936 | Box 10 \ 2 02-page03 | |
| Heavily faded and illegible document, likely a table or ledger page. | 9th Feb 1937 | Box 10 \ 2 02-page04 | |
| Requesting the lengthening of the Wraith II petrol tank support brackets to eliminate the need for packing. | 9th Feb 1937 | Box 10 \ 2 02-page05 | |
| Illegible document with heavily faded text on textured paper. | 17th Feb 1937 | Box 10 \ 2 02-page06 | |
| The design and manufacturing of the Wraith II petrol tank stone guard and straps. | 17th Feb 1937 | Box 10 \ 2 02-page07 | |
| Illegible typed page from the archives. | 9th Mar 1937 | Box 10 \ 2 02-page08 | |
| Cost-saving modification to the Wraith III petrol tank feed connection. | 9th Mar 1937 | Box 10 \ 2 02-page09 | |
| This document is completely illegible due to severe fading and poor image quality. | 24th Mar 1937 | Box 10 \ 2 02-page10 | |
| Petrol tank strap and baffle failure on a Wraith III, with a suggested design modification. | 24th Mar 1937 | Box 10 \ 2 02-page11 | |
| Modifications to the Wraith III petrol tank to address failures on the bump chassis. | 8th Apr 1937 | Box 10 \ 2 02-page13 | |
| Request to fit a Wraith Tank to a Wraith Bump chassis. | 7th May 1937 | Box 10 \ 2 02-page15 | |
| Using an oil filter on the crankcase breather to prevent oil dilution. | 31th Oct 1922 | Box 10 \ 2 02-page16 | |
| Obstruction in a petrol tank feed pipe caused by a piece of solder from manufacturing. | 1st Sep 1937 | Box 10 \ 2 02-page17 | |
| Requesting the deletion of the sump from the Wraith petrol tank drawings due to cost and manufacturing difficulty. | 14th Sep 1937 | Box 10 \ 2 02-page19 | |
| Approval notification for a pressure control valve for fitment to H. M. Hobson carburettors. | 15th Nov 1937 | Box 10 \ 2 02-page20 | |
| The dispatch of a Wraith petrol tank to S. Smith & Sons Ltd. for instrument re-calibration. | 6th Oct 1937 | Box 10 \ 2 02-page21 | |
| Proposal to test an experimental supercharger driving shaft to combat torsional vibration. | 18th Feb 1935 | Box 10 \ 2 02-page22 | |
| Request to S. Smith & Sons, Ltd. to recalibrate an inaccurate petrol gauge. | 6th Oct 1937 | Box 10 \ 2 02-page23 | |
| Or internal report page, the specific content of which is illegible. | 22th Oct 1937 | Box 10 \ 2 02-page24 | |
| Order for six sets of petrol tank parts for the Wraith III chassis. | 22th Oct 1937 | Box 10 \ 2 02-page25 | |
| Letter to A. V. Roe & Co. Ltd. about the completion of type testing and despatch of Kestrel engines. | 20th Oct 1936 | Box 10 \ 2 02-page26 | |
| The failure analysis of a Wraith bumper chassis petrol tank. | 18th Nov 1937 | Box 10 \ 2 02-page27 | |
| Proposal for a stiffener bracket modification to the 'Wraith' chassis to prevent frame cracking. | 24th Jan 1947 | Box 10 \ 2 02-page28 | |
| Suggestions for modifying tank end plates and baffles to overcome weakened spots, with applicability to Bentley III. | 18th Nov 1937 | Box 10 \ 2 02-page29 | |
| Notes on issues and proposed modifications for the 2-speed supercharger drive clutch mechanism. | 28th Oct 1925 | Box 10 \ 2 02-page30 | |
| Blueprint detailing the design of an offside and a nearside baffle, including material thickness. | 18th Nov 1937 | Box 10 \ 2 02-page31 | |
| Blank document page with a Print Room stamp. | 18th Nov 1937 | Box 10 \ 2 02-page32 | |
| Request for the cost of Wraith petrol tank filler and hanging parts to estimate for a similar Bentley III tank. | 4th Dec 1937 | Box 10 \ 2 02-page33 | |
| Parts list for the Wraith III petrol tank, stone guard, tank hanging, and petrol filler. | 4th Dec 1937 | Box 10 \ 2 02-page35 | |
| Unsatisfactory oil consumption on Phantom III chassis and the results of tests after correcting piston rings. | 22th Oct 1937 | Box 10 \ 2 02-page36 | |
| List of part numbers with their corresponding descriptions. | 29th Dec 1938 | Box 10 \ 2 02-page37 | |
| Copper lead bearings for Kestrel Engines on test. | 29th Dec 1938 | Box 10 \ 2 02-page38 | |
| Investigation into the cause and remedy for a petrol smell in a Wraith body. | 8th Dec 1937 | Box 10 \ 2 02-page39 | |
| Supply of B.T.H. Type C.5824 starter motors following a meeting at Hucknall. | 25th Feb 1938 | Box 10 \ 2 02-page40 | |
| Instructions for treating a Wraith petrol tank and its support straps to investigate corrosion. | 18th Dec 1937 | Box 10 \ 2 02-page41 | |
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