| Description | Date | Identifier | |
| Confirming the movement of experimental car 28-EX to Park Wards. | 28th Jan 1935 | Box 12 \ 6 06-page126 | |
| Coachwork on car 28-EX, now at Park Wards, and an attached report on observed faults. | 29th Jan 1935 | Box 12 \ 6 06-page127 | |
| Conversation with Pard Ward regarding the need to examine the body and fix defects on car 28-EX. | 30th Jan 1935 | Box 12 \ 6 06-page128 | |
| Visit to Park Ward's Works to address coachwork issues on car 28-EX. | 31th Jan 1935 | Box 12 \ 6 06-page129 | |
| Typed memo regarding a discussion with Pard Ward about examining a car body and rectifying defects for car 28-EX. | 30th Jan 1935 | Box 12 \ 6 06-page130 | |
| Communication regarding the readiness of coachwork on car 28-EX and coordinating its collection from Park Ward's. | 31th Jan 1935 | Box 12 \ 6 06-page131 | |
| Confirming an arrangement for a representative to be at Park Wards concerning coachwork. | 2nd Feb 1935 | Box 12 \ 6 06-page132 | |
| Disputed charge from Park Wards for work on chassis 28-EX and recommending a compromise payment. | 13th Apr 1935 | Box 12 \ 6 06-page133 | |
| Approving an invoice from Park Ward & Co. for the renovation of car 28-EX. | 26th Apr 1935 | Box 12 \ 6 06-page134 | |
| Comparing the weights of a Hooper enclosed drive Limousine shell and a Cadillac shell. | 23th May 1935 | Box 12 \ 6 06-page135 | |
| Modified bonnet fastener design for the Phantom and EAC-V11 models. | 25th Nov 1926 | Box 12 \ 7 07-page001 | |
| Improvements to bonnet fastenings and the adoption of a new cast dash. | 26th Nov 1926 | Box 12 \ 7 07-page002 | |
| Engine vibration issues related to the rigidity of a cast dashboard. | 30th Nov 1926 | Box 12 \ 7 07-page003 | |
| Design and advantages of a new cast dash and bonnet. | 1st Dec 1926 | Box 12 \ 7 07-page004 | |
| Suggesting the use of bonnet fasteners as handles on the Phantom model to save fittings and rivets. | 17th Dec 1926 | Box 12 \ 7 07-page005 | |
| Standardisation of a cast dashboard for the Phantom model, outlining potential issues and modifications. | 17th Dec 1926 | Box 12 \ 7 07-page006 | |
| Revised bonnet lock for a Phantom model, requesting a model for inspection. | 22th Dec 1926 | Box 12 \ 7 07-page007 | |
| Revised Phantom bonnet fastener spring. | 23th Dec 1926 | Box 12 \ 7 07-page008 | |
| Chassis length for an eight-cylinder car, referencing previous criticisms of appearance. | 29th Dec 1926 | Box 12 \ 7 07-page009 | |
| Eight-cylinder engines and the future of large cars in the face of increasing traffic congestion. | 29th Dec 1926 | Box 12 \ 7 07-page010 | |
| Car design trade-offs, particularly comparing a V-eight engine to an inline-eight for body space and performance. | 29th Dec 1926 | Box 12 \ 7 07-page011 | |
| V-engine design challenges, bonnet width, and comparisons with competitor Packard vehicles. | 22th Dec 1926 | Box 12 \ 7 07-page012 | |
| Design improvements to car radiators, bonnets, and frames for better appearance and riding quality. | 22th Dec 1926 | Box 12 \ 7 07-page013 | |
| Bonnet dimensions and the rejection of a new radiator design for the 12-EX car by the Sales department. | 31th Dec 1926 | Box 12 \ 7 07-page014 | |
| Blueprint detailing bonnet dimensions for four different series. | 30th Dec 1926 | Box 12 \ 7 07-page015 | |
| Design and improvement of bonnet clips and locks for various models. | 1st Jan 1927 | Box 12 \ 7 07-page016 | |
| Design changes to the bonnet, radiator, and scuttle for a 40/50 model. | 1st Jan 1927 | Box 12 \ 7 07-page017 | |
| Design comparison of integral and non-integral bonnet and radiator configurations. | 1st Jan 1927 | Box 12 \ 7 07-page018 | |
| With diagrams discussing suggested modifications to the radiator and bonnet shape, balancing appearance and efficiency. | 1st Jan 1927 | Box 12 \ 7 07-page019 | |
| Proposed modifications to the 40/50 HP bonnet and radiator to improve its appearance. | 1st Jan 1927 | Box 12 \ 7 07-page020 | |
| Philosophy of gradual design alterations to the bonnet and radiator, using an analogy of the human nose. | 11th Jan 1927 | Box 12 \ 7 07-page021 | |
| Cost-effectiveness of alternative schemes for the Phantom bonnet and radiator, suggesting mock-ups for appearance. | 13th Jan 1927 | Box 12 \ 7 07-page022 | |
| Optimal radiator tube diameter and length for the 40/50 HP model. | 13th Jan 1927 | Box 12 \ 7 07-page023 | |
| Proposal for modifying the 40/50 bonnet and radiator design, detailing dimensional changes and efficiency considerations. | 15th Jan 1927 | Box 12 \ 7 07-page024 | |
| Design and production of a revised radiator and bonnet. | 28th Jan 1927 | Box 12 \ 7 07-page025 | |
| Proposed modifications to radiator and bonnet proportions, referencing associated drawings and a wooden model. | 2nd Feb 1927 | Box 12 \ 7 07-page026 | |
| Design improvements for the Phantom radiator and bonnet, focusing on integral shutters. | 10th Feb 1927 | Box 12 \ 7 07-page027 | |
| Solutions for fitting a raised radiator and bonnet to car chassis EAC.7. | 23th Feb 1927 | Box 12 \ 7 07-page028 | |
| Potential design modifications to the Phantom EAC. 8 Type radiator and bonnet. | 26th Feb 1927 | Box 12 \ 7 07-page029 | |
| Modifications to the EAC.8 radiator, including tube size, matrix height, and bonnet position. | 17th Mar 1927 | Box 12 \ 7 07-page030 | |
| Review of steering columns, scuttles, and dashboards for 20 HP and 40 HP models, discussing flexibility and vibration issues. | 7th Apr 1928 | Box 12 \ 7 07-page031 | |
| Proposed modifications to a Phantom bonnet, radiator, and dash for coachbuilders. | 1st May 1928 | Box 12 \ 7 07-page032 | |
| The introduction and trial fitting of a modified bonnet, radiator, and dash for the Phantom model. | 7th May 1928 | Box 12 \ 7 07-page033 | |
| Modifications to the Phantom's radiator, bonnet, and dashboard for the Show chassis and their potential application to other series. | 7th May 1928 | Box 12 \ 7 07-page034 | |
| Proposed Phantom G.2B bonnet modifications. | 10th May 1928 | Box 12 \ 7 07-page035 | |
| Proposed Phantom bonnet modification for the G.Z.B. series. | 11th Jun 1928 | Box 12 \ 7 07-page036 | |
| Driving position visibility and requesting coachbuilder drawings for scuttle alterations. | 11th May 1928 | Box 12 \ 7 07-page037 | |
| Proposed modifications to the Phantom G.2B bonnet, radiator, dash, and steering. | 10th May 1928 | Box 12 \ 7 07-page038 | |
| Bonnet designs for the Phantom and 'SS' models, referencing Mr. Royce's views. | 24th Sep 1928 | Box 12 \ 7 07-page039 | |
| Standardisation of chassis parts concerning a higher radiator, bonnet, and dash to improve appearance. | 13th Jul 1928 | Box 12 \ 7 07-page040 | |
| Standardisation document for chassis parts, detailing the implementation of a new part. | 12th Nov 1928 | Box 12 \ 7 07-page041 | |
| Modifications to the 'SS' radiator and the related drawing. | 28th Sep 1928 | Box 12 \ 7 07-page042 | |
| New design for bonnet fasteners and a lock, questioning its status and use on upcoming trials cars. | 11th Jun 1928 | Box 12 \ 7 07-page043 | |
| Recommendation to cut away bonnet strips for easier access to the axle control damper valve cap. | 28th Nov 1928 | Box 12 \ 7 07-page044 | |
| Technical review of bodywork and associated details, including wheel carriers, bonnets, horns, and seating. | 10th Jan 1929 | Box 12 \ 7 07-page045 | |
| New bonnet lock and whether it should be a standard feature or an optional extra on SS cars. | 11th Feb 1929 | Box 12 \ 7 07-page046 | |
| Finishing of parts for Open Car No. 23-EX by the Carlton Carriage Co. | 11th Feb 1929 | Box 12 \ 7 07-page047 | |
| The despatch of a bonnet for car 23-EX to the Carlton Carriage Co. | 2nd Feb 1929 | Box 12 \ 7 07-page048 | |
| Fitting louvered bonnets to 'SS' model cars for use in tropical or mountainous countries. | 10th Jun 1929 | Box 12 \ 7 07-page049 | |
| The preparation and issue of detail drawings for louvred bonnets for the S.S. chassis. | 12th Jun 1929 | Box 12 \ 7 07-page050 | |
| Push-type bonnet catches working loose and proposing a locking device. | 13th Aug 1929 | Box 12 \ 7 07-page051 | |
| Proposed Hooper Faux Cabriolet on a Phantom II chassis for the Riviera Trials. | 11th Nov 1929 | Box 12 \ 7 07-page052 | |
| The design of a new bonnet lock for the Phantom II, questioning why it was not standardised. | 26th Nov 1929 | Box 12 \ 7 07-page053 | |
| The potential adoption of a new bonnet lock for the Phantom II, based on an example fitted to car 10-EX. | 30th Nov 1929 | Box 12 \ 7 07-page054 | |
| Difficulties of the present Phantom II bonnet locks and a comparison with the locks on the 10-EX car. | 4th Dec 1929 | Box 12 \ 7 07-page055 | |
| Similarities and anticipated problems with the Phantom II bonnet locks. | 10th Dec 1929 | Box 12 \ 7 07-page056 | |
| Design revisions for the radiator, bonnet, and dashboard of a Phantom II for Sir Henry Segrave. | 31th Jan 1930 | Box 12 \ 7 07-page057 | |
| Follow-up communication regarding sending a modified dashboard shape to Derby. | 5th Sep 1933 | Box 12 \ 7 07-page058 | |
| Proposed method for carrying road tools on the Phantom II chassis bonnet. | 5th Sep 1933 | Box 12 \ 7 07-page059 | |
| Revisions to the bonnet and dash design for the Phantom II. | 4th Feb 1930 | Box 12 \ 7 07-page060 | |
| Expressing urgency for the production of an improved bonnet panel stop for 40/50 HP cars. | 2nd Aug 1923 | Box 12 \ 7 07-page061 | |
| Standardisation of parts document for Bonnet Stops. | 6th Dec 1933 | Box 12 \ 7 07-page062 | |
| Blank, yellowed page from the archives. | 10th Feb 1930 | Box 12 \ 7 07-page063 | |
| Revised bonnet and dash for the Phantom, arguing against a tapered radiator design. | 10th Feb 1930 | Box 12 \ 7 07-page064 | |
| Design modifications to the radiator, frame and bonnet in response to competitors and coachbuilder feedback. | 1st Feb 1930 | Box 12 \ 7 07-page065 | |
| Proposed modifications to the Phantom II bonnet and dash, including the radiator and waist line. | 1st Feb 1930 | Box 12 \ 7 07-page066 | |
| Unsatisfactory bonnet and dashboard for the Phantom II as fitted to Sir Henry Segrave's car, and the plan to review a modified design. | 27th Feb 1930 | Box 12 \ 7 07-page067 | |
| Proposed modified bonnet, radiator, and dash for the 20/25 HP and Phantom II models. | 14th Mar 1930 | Box 12 \ 7 07-page068 | |
| The need to send the bonnet to the coachbuilders for moulding and cellulosing to ensure a correct body colour match for an Experimental Phantom II Limousine. | 26th Apr 1930 | Box 12 \ 7 07-page069 | |
| Delay in providing bonnets for the 20 HP and Phantom II models until the chassis have been built and fitted. | 28th Apr 1930 | Box 12 \ 7 07-page070 | |
| Scuttle isolation and dashboard modifications for a Phantom II experimental car, referencing drawing N.Sch.3093. | 28th Apr 1930 | Box 12 \ 7 07-page071 | |
| Clarifying design specifications for a bonnet's projection over the dashboard following a conference. | 2nd May 1930 | Box 12 \ 7 07-page072 | |
| Modifications to the bonnet for the Phantom II model. | 7th May 1930 | Box 12 \ 7 07-page073 | |
| Bonnet fitting, specifically the isolation gap and movement relative to the dashboard and scuttle. | 14th May 1930 | Box 12 \ 7 07-page074 | |
| Introduction of an improved bonnet lock, its extra cost, and the plan for its implementation. | 2nd Jun 1930 | Box 12 \ 7 07-page075 | |
| Supply of bonnet locks for 40/50 HP and 20/25 HP chassis. | 2nd Jun 1930 | Box 12 \ 7 07-page076 | |
| Request for a louvred bonnet and standard shutters for car 19-EX for cooling tests. | 13th Jun 1930 | Box 12 \ 7 07-page077 | |
| Cooling system tests on a Phantom II car at Brooklands in June 1930. | 25th Jun 1930 | Box 12 \ 7 07-page078 | |
| Engine cooling tests, comparing the effectiveness of various ventilation methods such as bonnet shutters and undershields. | 1st Jun 1930 | Box 12 \ 7 07-page079 | |
| Analysis of engine cooling performance, proposing ventilated bonnets for cars in hot climates and discussing radiator variations. | 25th Jun 1930 | Box 12 \ 7 07-page080 | |
| Test report on high oil temperatures, ignition issues, petrol supply, and lap speeds for cars 18-EX and 19-EX. | 25th Jun 1930 | Box 12 \ 7 07-page081 | |
| Vehicle performance testing, attributing the slow speed of an American car to various factors and comparing it to models 18-EX and 19-EX. | 25th Jun 1930 | Box 12 \ 7 07-page082 | |
| Water circulation and cooling system tests, including a comparison with the American Phantom II model. | 1st Sep 1930 | Box 12 \ 7 07-page083 | |
| Summary of development work on bonnet ventilation, fan efficiency, and radiator design for the Phantom II model. | 25th Jun 1930 | Box 12 \ 7 07-page084 | |
| The necessity of fitting ventilated bonnets to cars for high-speed use on the Continent and English roads. | 25th Jun 1930 | Box 12 \ 7 07-page085 | |
| Graph plotting temperature changes for top water, bottom water, and oil against miles run under specific test conditions. | 25th Jun 1930 | Box 12 \ 7 07-page086 | |
| Graph detailing the ambient temperature at which a Standard Phantom II Cabriolet will overheat under various ventilation test conditions. | 25th Jun 1930 | Box 12 \ 7 07-page087 | |
| Graph plotting top and bottom water temperatures under various bonnet and shutter configurations at 62 M.P.H. | 25th Jun 1930 | Box 12 \ 7 07-page088 | |
| Graph plotting oil and top water temperatures against miles run under various car operating conditions. | 25th Jun 1930 | Box 12 \ 7 07-page089 | |
| Bar chart comparing critical air temperatures for spring tensioned versus positively tensioned fan belts. | 25th Jun 1930 | Box 12 \ 7 07-page090 | |
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