| Description | Date | Identifier | |
| Investigation into the causes of body booms and vibrations. | 4th Mar 1931 | Box 12 \ 6 06-page026 | |
| Analysis of frame weakness and engine vibration issues in 6-cylinder vehicles, with proposed solutions and comparisons to a 6-litre Bentley. | 16th Mar 1932 | Box 12 \ 6 06-page027 | |
| Cause of cracking on a continental touring saloon body, potentially related to chassis rigidity and diamond engine mounting. | 16th Mar 1932 | Box 12 \ 6 06-page028 | |
| Scuttle distortion and the torsional flexibility of a chassis with diamond engine mounting. | 18th Mar 1931 | Box 12 \ 6 06-page029 | |
| Engine vibrations, torque reactions, and flexible versus rigid engine mountings in comparison with Hispano and Bentley. | 18th Mar 1931 | Box 12 \ 6 06-page030 | |
| Clarifying the author's non-involvement in the investigation of 'booming cars' on P.2. & 20/25HP models. | 25th Mar 1931 | Box 12 \ 6 06-page031 | |
| Idea for an engine mounting to improve the torsional rigidity of the frame. | 25th Mar 1931 | Box 12 \ 6 06-page032 | |
| Clarifying the author's non-involvement in the investigation of 'booming cars'. | 25th Mar 1931 | Box 12 \ 6 06-page033 | |
| Analysis of the source and mechanics of 'booming' vibrations in cars. | 25th Mar 1931 | Box 12 \ 6 06-page034 | |
| Theoretical proposal on car body parts acting as sound amplifiers, with diagrams and a suggested experiment. | 25th Mar 1931 | Box 12 \ 6 06-page035 | |
| Investigation into body and frame resonance, exploring sound transmission and potential causes of booming. | 25th Mar 1931 | Box 12 \ 6 06-page036 | |
| Report page discussing car body construction, frame rigidity, and the causes of acoustic booming. | 25th Mar 1931 | Box 12 \ 6 06-page037 | |
| Solutions for engine vibration and body boom issues by modifying engine mountings and flywheel design. | 25th Mar 1931 | Box 12 \ 6 06-page038 | |
| Crankshaft torsional vibration and solutions involving thicker rubber engine mountings. | 31th Mar 1931 | Box 12 \ 6 06-page039 | |
| Instructing work to be carried out on Chassis 24-EX by Messrs. Sanderson & Holmes. | 31th Mar 1931 | Box 12 \ 6 06-page040 | |
| Body booms and engine vibrations, considering solutions like stiffening the flywheel, frame, and engine mounting. | 8th Apr 1931 | Box 12 \ 6 06-page041 | |
| Chassis stiffness, engine mounting schemes, and improvements for future designs, comparing with Bentley and Hispano. | 8th Apr 1931 | Box 12 \ 6 06-page042 | |
| Engine performance, chassis rigidity, body booms, and proposed static tests for a 6-cylinder engine. | 22th Apr 1931 | Box 12 \ 6 06-page043 | |
| Instruction for Sanderson & Holmes to carry out work on chassis No. 19-EX as per an attached estimate. | 22th Apr 1931 | Box 12 \ 6 06-page044 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis number 27-EX. | 24th Apr 1931 | Box 12 \ 6 06-page045 | |
| Cause of 'booms' in Phantom II models, related to body and sub-frame construction. | 27th Apr 1931 | Box 12 \ 6 06-page046 | |
| Instructing Messrs. Sanderson & Holmes to carry out work on Chassis 24-EX. | 2nd May 1931 | Box 12 \ 6 06-page047 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis 12-EX. | 2nd May 1931 | Box 12 \ 6 06-page048 | |
| Internal instruction memo for work to be carried out on chassis 14-EX by Messrs. Sanderson & Holmes. | 5th May 1931 | Box 12 \ 6 06-page049 | |
| Investigation into a 'booming' vibration, identifying its periodicity and concluding it is a body or frame characteristic. | 7th May 1931 | Box 12 \ 6 06-page050 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on Chassis No.25-EX. | 11th Jun 1931 | Box 12 \ 6 06-page051 | |
| Instruction to arrange for work to be carried out on Chassis No.24-EX by Messrs. Sanderson & Holmes. | 11th Jun 1931 | Box 12 \ 6 06-page052 | |
| Instruction to have Messrs. Sanderson & Holmes carry out work on a car as per an attached estimate. | 13th Jun 1931 | Box 12 \ 6 06-page053 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis 19-EX as per an attached estimate. | 17th Jun 1931 | Box 12 \ 6 06-page054 | |
| Process of implementing appearance changes to the chassis and proposing a list of features for the 20/25 model. | 10th Jul 1931 | Box 12 \ 6 06-page055 | |
| Modifications and approvals for an experimental car's hinges and scuttle. | 18th Jul 1931 | Box 12 \ 6 06-page056 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per the attached estimate. | 18th Jul 1931 | Box 12 \ 6 06-page057 | |
| Instruction for work to be carried out on chassis 27-EX by Messrs. Sanderson & Holmes. | 18th Jul 1931 | Box 12 \ 6 06-page058 | |
| Proposed wind tunnel experiments on streamlined car bodies to reduce windage for high-speed motoring. | 4th Aug 1931 | Box 12 \ 6 06-page059 | |
| Aerodynamic testing of alternative car body shapes for improved performance and appearance. | 4th Aug 1931 | Box 12 \ 6 06-page060 | |
| Instruction for work to be carried out by Messrs. Sanderson & Holmes on chassis 20-EX from the Experimental Department. | 24th Aug 1931 | Box 12 \ 6 06-page061 | |
| Instruction to carry out work on chassis number 22-EX. | 24th Aug 1931 | Box 12 \ 6 06-page062 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on chassis No. 14-EX. | 7th Sep 1931 | Box 12 \ 6 06-page063 | |
| Instruction memo to authorise chassis work by I. Wilkinson & Son Ltd. based on attached estimates. | 23th Sep 1931 | Box 12 \ 6 06-page064 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis 22-EX as per an attached estimate. | 9th Oct 1931 | Box 12 \ 6 06-page065 | |
| Instruction to Messrs. Sanderson & Hohnes to carry out work on chassis No. 12-EX. | 9th Oct 1931 | Box 12 \ 6 06-page066 | |
| Authorising work to be carried out on Chassis No. 27-EX by Messrs. Sanderson & Holmes. | 23th Oct 1931 | Box 12 \ 6 06-page067 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on Chassis 22-EX as per an attached estimate. | 19th Oct 1931 | Box 12 \ 6 06-page068 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on car 25-EX as per an attached estimate. | 19th Oct 1931 | Box 12 \ 6 06-page069 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on chassis 19-EX as per an attached estimate. | 12th Nov 1931 | Box 12 \ 6 06-page070 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on chassis 12-EX as per an attached estimate. | 12th Nov 1931 | Box 12 \ 6 06-page071 | |
| Instruction for Messrs. Sanderson & Holmes to perform work on a car based on an attached estimate. | 13th Nov 1931 | Box 12 \ 6 06-page072 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis 20-EX as per an attached estimate. | 24th Nov 1931 | Box 12 \ 6 06-page073 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 26th Nov 1931 | Box 12 \ 6 06-page074 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 30th Nov 1931 | Box 12 \ 6 06-page075 | |
| Internal instruction memo authorising work to be carried out on a car by Messrs. Sanderson & Holmes. | 21th Dec 1931 | Box 12 \ 6 06-page076 | |
| Internal instruction memo to authorise work on a car by Messrs. Sanderson & Holmes based on an attached estimate. | 28th Dec 1931 | Box 12 \ 6 06-page077 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 29th Jan 1932 | Box 12 \ 6 06-page078 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 4th Feb 1932 | Box 12 \ 6 06-page079 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 22th Feb 1932 | Box 12 \ 6 06-page080 | |
| Instruction to authorise Messrs. Sanderson & Holmes to carry out work on car 22-EX per an attached estimate. | 27th Feb 1932 | Box 12 \ 6 06-page081 | |
| Instruction memo to Messrs. Sanderson & Holmes to carry out work on car 19-EX based on an attached estimate. | 4th Apr 1932 | Box 12 \ 6 06-page082 | |
| Instruction, subsequently cancelled, for Messrs. Sanderson & Holmes to carry out work on car 19-EX. | 5th Apr 1932 | Box 12 \ 6 06-page083 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 9th Apr 1932 | Box 12 \ 6 06-page084 | |
| Instruction to carry out work on a car for Messrs. Sanderson & Holmes, cancelling a previous estimate. | 12th Apr 1932 | Box 12 \ 6 06-page085 | |
| From Sanderson & Holmes Ltd. enclosing an inventory for Chassis No. 20-EX. | 28th Apr 1932 | Box 12 \ 6 06-page086 | |
| Inventory of a 40/50 Chassis, detailing its condition and included parts. | 28th Apr 1932 | Box 12 \ 6 06-page087 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car based on an attached estimate. | 28th Apr 1932 | Box 12 \ 6 06-page088 | |
| Instruction to authorise Messrs. Sanderson & Holmes to carry out work on a car per an attached estimate. | 11th May 1932 | Box 12 \ 6 06-page089 | |
| The poor condition of the body on Phantom II car 22-EX and the cost of repair versus replacement. | 20th Jul 1932 | Box 12 \ 6 06-page090 | |
| Letter discussing body options for a Phantom II chassis, No. 22-EX. | 29th Jul 1932 | Box 12 \ 6 06-page091 | |
| Brief typed letter regarding Phantom II Bodies. | 12th Aug 1932 | Box 12 \ 6 06-page092 | |
| Secret memo discussing the failure of a car body on the 1-Per.2 model and the continued need for a body subframe due to chassis changes. | 7th Oct 1932 | Box 12 \ 6 06-page093 | |
| The causes of rattles in a Peregrine Park Ward Saloon body, referencing shock dampers and chassis rigidity. | 13th Oct 1932 | Box 12 \ 6 06-page094 | |
| Car body construction, weight, strength, and comparison with American models, including interactions with coachbuilders. | 12th Dec 1933 | Box 12 \ 6 06-page095 | |
| The build of an Enclosed Drive Limousine body for a Phantom chassis by Messrs Park Ward & Co. | 12th Dec 1933 | Box 12 \ 6 06-page096 | |
| Proposal to change the vehicle for the 10,000 miles Phantom test. | 15th Dec 1933 | Box 12 \ 6 06-page097 | |
| Approving a new body for a 10,000-mile Phantom test and confirming the chassis number as 20-EX. | 14th Dec 1933 | Box 12 \ 6 06-page098 | |
| Requesting agreement to scrap an obsolete lorry body from chassis 12-EX, previously used for transporting Schneider Trophy engines. | 26th Jan 1934 | Box 12 \ 6 06-page099 | |
| Letter from Sanderson & Holmes Ltd. requesting permission to scrap an old touring body from car 12-EX. | 24th Jan 1934 | Box 12 \ 6 06-page100 | |
| Letter to Park Ward & Co. confirming details for building an Experimental Enclosed Limousine, 30-EX. | 5th Jun 1934 | Box 12 \ 6 06-page101 | |
| Specification of coachwork for an Enclosed Limousine, Phantom II, 30.EX. | 11th Jun 1934 | Box 12 \ 6 06-page102 | |
| Specifications for a car body including details on luggage, delivery, and a list of enclosed drawings. | 14th Jul 1934 | Box 12 \ 6 06-page103 | |
| Letter to Park, Ward & Co. Ltd. requesting a replacement door handle for a Phantom car, body number 3470. | 14th Jul 1934 | Box 12 \ 6 06-page104 | |
| Requesting an official order for a new door handle supplied by Park Wards for chassis 27-EX. | 19th Jul 1934 | Box 12 \ 6 06-page105 | |
| Request to supply P.100 Headlamps, footswitch, and Wing Lamps for chassis 30-EX to Derby. | 25th Jul 1934 | Box 12 \ 6 06-page106 | |
| Requesting the collection date for a car body from Messrs. Park Ward. | 31th Jul 1934 | Box 12 \ 6 06-page107 | |
| Letter to Park Ward & Co. Ltd. detailing experiences and required modifications for mounting an enclosed limousine body. | 24th Aug 1934 | Box 12 \ 6 06-page108 | |
| Body fitting issues and suggested modifications sent to Park Ward & Co., Ltd. | 24th Aug 1934 | Box 12 \ 6 06-page109 | |
| List of required modifications and corrections for a car body sent to coachbuilder Park Ward & Co., Ltd. | 24th Aug 1934 | Box 12 \ 6 06-page110 | |
| Letter to coachbuilder Park Ward & Co., Ltd. detailing issues with wing alignment, bonnet strip, capping, and instrument panel lights. | 24th Aug 1934 | Box 12 \ 6 06-page111 | |
| Requesting the return of two incorrect window ventilator handles that were omitted from the original body. | 12th Sep 1934 | Box 12 \ 6 06-page112 | |
| Receipt of incorrect window ventilator handles for car 30-EX and a request for the correct parts and fittings. | 12th Sep 1934 | Box 12 \ 6 06-page113 | |
| Letter to Messrs. Park Ward Ltd. regarding a tool kit for chassis 5-B-IV and a switch key for chassis 31-EX. | 2nd Nov 1934 | Box 12 \ 6 06-page114 | |
| Letter to coachbuilder Park Ward & Co. Ltd. confirming specifications for experimental car 31-EX. | 23th Nov 1934 | Box 12 \ 6 06-page115 | |
| Coachwork inspection report for a 28-EX Park-Ward Limousine. | 4th Dec 1934 | Box 12 \ 6 06-page116 | |
| Faults with an instrument board, front and rear doors, and Fisher ventilators. | 4th Dec 1934 | Box 12 \ 6 06-page117 | |
| Issues with vehicle bodywork and fittings. | 4th Dec 1934 | Box 12 \ 6 06-page118 | |
| Remarks on a car's condition after Continental road testing, detailing issues with rattles, mudguards, and body movement. | 4th Dec 1934 | Box 12 \ 6 06-page119 | |
| Delays in finishing an Enclosed Limousine body due to window fittings, and discussing wing lamp design. | 10th Dec 1934 | Box 12 \ 6 06-page120 | |
| Request to despatch a plasticine model of a side lamp to Messrs. Park Ward. | 11th Dec 1934 | Box 12 \ 6 06-page121 | |
| Letter to Park Ward Limited regarding lorry delivery and a plasticine model of a streamline wing lamp. | 11th Dec 1934 | Box 12 \ 6 06-page122 | |
| Plasticine model of a streamline side lamp for a Spectre body. | 11th Dec 1934 | Box 12 \ 6 06-page123 | |
| Comparing the poor coachwork of car 28-EX with car 21-G-IV and arranging for an examination by Messrs. Park Ward. | 16th Jan 1935 | Box 12 \ 6 06-page124 | |
| Agreeing to let coachbuilder Park Wards test the coachwork of experimental car 28-EX. | 19th Jan 1935 | Box 12 \ 6 06-page125 | |
| | | | |
