| Description | Date | Identifier | |
| Sales brochure for the new series of V-12 cylinder Lincoln motor cars, featuring the five-passenger sedan and seven-passenger limousine. | 27th Apr 1934 | Box 119 \ 3 scan0204 | |
| Promotional brochure detailing the features and specifications of the Lincoln V-12 cylinder motor cars. | 14th Sep 1934 | Box 119 \ 3 scan0205 | |
| Comparison of bonnet temperatures between thermostatically controlled shutter and bypass cooling systems at 30 and 60 MPH. | 14th Sep 1934 | Box 119 \ 3 scan0206 | |
| Crack testing and refitting of front yokes on a Bumper Chassis. | 3rd Jul 1939 | Box 119 \ 3 scan0207 | |
| The modification of the upper yoke bearing on the Silver Wraith Bump Chassis. | 7th Jul 1939 | Box 119 \ 3 scan0208 | |
| Request to fit a new rear spring to a B.V. bump chassis. | 13th Jul 1939 | Box 119 \ 3 scan0209 | |
| The build-up and fitting of springs for a Bentley V Bump Chassis. | 22th Aug 1939 | Box 119 \ 3 scan0210 | |
| List of features to be built onto the Silver Wraith bump chassis. | 24th Aug 1939 | Box 119 \ 3 scan0211 | |
| Revised list of new features for the W.80 Bump Chassis. | 22th Aug 1939 | Box 119 \ 3 scan0212 | |
| Provision of blueprints for a revised bonnet and dashboard to give a car a stream-line shape. | 16th Mar 1921 | Box 119 \ 4 scan0001 | |
| Sending three blueprints for 'N' Scheme 800 showing the new arrangement of the Rear Bonnet Clips. | 17th Mar 1921 | Box 119 \ 4 scan0002 | |
| Requesting an update on the development of a rivetless bonnet, referencing samples from the USA. | 11th Feb 1931 | Box 119 \ 4 scan0003 | |
| Experimental sample of a rivetless bonnet and ventilators. | 17th Feb 1931 | Box 119 \ 4 scan0004 | |
| Requesting an update on the status and availability for inspection of a rivetless bonnet. | 9th Mar 1931 | Box 119 \ 4 scan0005 | |
| Sample of a rivetless bonnet to be shown at Derby. | 20th Mar 1931 | Box 119 \ 4 scan0006 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on a new bonnet for the Experimental Department. | 25th Mar 1931 | Box 119 \ 4 scan0007 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on an experimental bonnet as per an attached estimate. | 24th Apr 1931 | Box 119 \ 4 scan0008 | |
| Chasing progress on the development of rivetless bonnets. | 7th May 1931 | Box 119 \ 4 scan0009 | |
| Development challenges and progress on creating rivetless steel and aluminium bonnets. | 9th May 1931 | Box 119 \ 4 scan0010 | |
| Lack of progress and manufacturing options for rivetless bonnets. | 13th Jun 1931 | Box 119 \ 4 scan0011 | |
| Design and manufacturing of rivetless steel bonnets, noting issues with welding, materials, rust, and hinge construction. | 18th Jun 1931 | Box 119 \ 4 scan0012 | |
| Design considerations for car bonnets, including materials and fixings. | 18th Jun 1931 | Box 119 \ 4 scan0013 | |
| Design and manufacturing of rivetless bonnet hinges, referencing Morris and Armstrong Siddeley methods. | 22th Jun 1931 | Box 119 \ 4 scan0014 | |
| Blueprint comparing two types of rivetless bonnet hinges. | 23th Jun 1931 | Box 119 \ 4 scan0015 | |
| Design of a rivetless aluminium bonnet for the 20/25 model, proposing increased plate thickness and alternative materials. | 23th Jun 1931 | Box 119 \ 4 scan0016 | |
| Design and material choice for rivetless bonnets, comparing them to an Armstrong-Siddeley scheme. | 4th Jul 1931 | Box 119 \ 4 scan0017 | |
| Alternative aluminium bonnet designs and material considerations. | 7th Jul 1931 | Box 119 \ 4 scan0018 | |
| Design and material choice for car bonnets, comparing rivetless aluminium and steel options. | 8th Jul 1931 | Box 119 \ 4 scan0019 | |
| Proposed design for a rivet-less steel bonnet, detailing the top and side hinge sections. | 10th Jul 1931 | Box 119 \ 4 scan0020 | |
| Material and structural design of louvred bonnets, comparing the 40/50 HP and 20/25 HP models. | 10th Jul 1931 | Box 119 \ 4 scan0021 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a bonnet for the Experimental Dept. | 18th Jul 1931 | Box 119 \ 4 scan0022 | |
| Development of rivetless bonnets and issues with louvre design. | 20th Aug 1931 | Box 119 \ 4 scan0023 | |
| Development of rivetless bonnets and the pressure from the Sales department to complete experiments. | 22th Aug 1931 | Box 119 \ 4 scan0024 | |
| Production and design of a rivetless bonnet, including materials and alternative designs. | 25th Aug 1931 | Box 119 \ 4 scan0025 | |
| Design, fitting, and manufacturing challenges of rivetless bonnets. | 27th Aug 1931 | Box 119 \ 4 scan0026 | |
| Design of rivetless bonnets, focusing on shutter pivot placement, symmetry, and the use of countersunk rivets. | 31th Aug 1931 | Box 119 \ 4 scan0027 | |
| Design difficulties with an Armstrong type bonnet, specifically the side hinge and interchangeability of production bonnets. | 31th Aug 1931 | Box 119 \ 4 scan0028 | |
| Design, testing, and implementation of rivetless bonnets, referencing competitor designs. | 4th Sep 1931 | Box 119 \ 4 scan0029 | |
| From Sg. to Hs. regarding plans to view a car fitted with a Rivetless Bonnet in Derby. | 16th Sep 1931 | Box 119 \ 4 scan0030 | |
| Modifications for a rivetless bonnet hinge design, complete with a sketch. | 27th Sep 1931 | Box 119 \ 4 scan0031 | |
| Bonnet shutter clearances and suggesting modifications to account for paint thickness. | 21th Oct 1931 | Box 119 \ 4 scan0032 | |
| Testing and introduction of rivetless bonnets for the 40/50 model, expressing anxiety over potential delays. | 18th Feb 1932 | Box 119 \ 4 scan0033 | |
| Fitting of rivetless bonnets to Phantom 11 cars and a proposal to make them longer. | 18th Feb 1932 | Box 119 \ 4 scan0034 | |
| The inequality of the surface level between bonnets and scuttles on cars. | 27th Oct 1936 | Box 119 \ 4 scan0035 | |
| Letter to The British Belting & Asbestos Co. Ltd. requesting samples of material for bonnet rest strips. | 18th Nov 1936 | Box 119 \ 4 scan0036 | |
| Letter regarding the material composition and treatment of bonnet rest strips, including the potential for graphite impregnation. | 23th Nov 1936 | Box 119 \ 4 scan0037 | |
| Letter to a supplier requesting sample strips of belting for Phantom III and Bentley cars. | 17th Dec 1936 | Box 119 \ 4 scan0038 | |
| Request to Ferodo Ltd. for samples of a softer fabric for bonnet rest stops. | 18th Nov 1936 | Box 119 \ 4 scan0039 | |
| Quotation from British Belting & Asbestos Ltd. for bonnet rest webbing for the Phantom III. | 13th Dec 1936 | Box 119 \ 4 scan0040 | |
| Letter from a supplier regarding the dispatch and material properties of an ordered 'Bonnet Rest'. | 18th Jan 1937 | Box 119 \ 4 scan0041 | |
| Official order for bonnet rest strip fabric from British Belting & Asbestos Ltd. | 17th Dec 1936 | Box 119 \ 4 scan0042 | |
| Fitting of bonnet rest strip schemes for Phantom III & Wraith models. | 11th Feb 1937 | Box 119 \ 4 scan0043 | |
| Clarifying materials for the bonnet rest scheme on the Phantom III and 25/30 HP models for production versus experimental testing. | 11th Feb 1937 | Box 119 \ 4 scan0044 | |
| Service complaint about the bonnet hinge rod working loose on the 25/30 Ph.III model, preventing the bonnet from opening. | 21th May 1937 | Box 119 \ 4 scan0045 | |
| Urgent order for Bonnet Rest Strip material. | 18th Jun 1937 | Box 119 \ 4 scan0046 | |
| Summarizing proposed alterations to bonnet rest angles across various chassis. | 18th Jun 1937 | Box 119 \ 4 scan0047 | |
| Requesting an update on the 10,000-mile trial of parts for bonnet angles on dashboards. | 10th Jun 1937 | Box 119 \ 4 scan0048 | |
| Difficulty of fitting bonnet rest angles on Bentley dashboards and deciding against a standardisation scheme. | 28th Jun 1937 | Box 119 \ 4 scan0049 | |
| Letter to British Belting & Asbestos Co. Ltd. regarding wear issues on bonnet rest strips caused by their lacing strip. | 31th Aug 1937 | Box 119 \ 4 scan0050 | |
| Letter to Ferodo Ltd. regarding the supply of bonnet rest strip fabric with specific thickness and weave. | 31th Aug 1937 | Box 119 \ 4 scan0051 | |
| Methods to improve the mirror finish on car bonnets and prevent marking. | 15th Jan 1937 | Box 119 \ 4 scan0052 | |
| Letter from Ferodo Limited acknowledging an enquiry for bonnet rest material of a non-standard thickness. | 2nd Sep 1937 | Box 119 \ 4 scan0053 | |
| Complaints from coachbuilder Messrs. Barkers regarding bonnet finish, comparing them to Daimler's superior methods. | 8th Sep 1937 | Box 119 \ 4 scan0054 | |
| Extra expense for improving bonnet finish and noting the current quality is not up to standard. | 8th Sep 1937 | Box 119 \ 4 scan0055 | |
| Letter from British Belting & Asbestos Ltd. regarding a sample of Cable Laid Cotton Bonnet Rest. | 15th Sep 1937 | Box 119 \ 4 scan0056 | |
| Request to British Belting & Asbestos Co. Ltd. for a 20ft sample of bonnet rest strip for testing. | 16th Sep 1937 | Box 119 \ 4 scan0057 | |
| Covering order for 20 ft. of bonnet rest strip from British Belting & Asbestos Co.Ltd. | 16th Sep 1937 | Box 119 \ 4 scan0058 | |
| Proper channels for handling complaints about the finish of vehicle bonnets. | 16th Sep 1937 | Box 119 \ 4 scan0059 | |
| Bonnet manufacturing, finishing, and design issues with various coachbuilders. | 14th Sep 1937 | Box 119 \ 4 scan0060 | |
| Letter from Ferodo Limited concerning the supply of finished bonnet rest material. | 17th Sep 1937 | Box 119 \ 4 scan0061 | |
| Request to send an official order to Messrs Ferodo Ltd. for special bonnet rest fabric. | 21th Sep 1937 | Box 119 \ 4 scan0062 | |
| Bonnet finish quality and a complaint about defects from Messrs Barkers. | 30th Sep 1937 | Box 119 \ 4 scan0063 | |
| Letter to Ferodo Ltd. to confirm the specification of a bonnet rest strip. | 4th Oct 1937 | Box 119 \ 4 scan0064 | |
| Letter from Ferodo Limited regarding the official confirmation of the reference number for a special 'bonrest' material. | 7th Oct 1937 | Box 119 \ 4 scan0065 | |
| Manufacturing finish of bonnets and issues with the curve on Bentley bonnets raised by coachbuilders. | 30th Oct 1937 | Box 119 \ 4 scan0066 | |
| Letter proposing a patented Bonnet and Wing invention to be built as a single, rubber-insulated structure. | 4th Nov 1937 | Box 119 \ 4 scan0067 | |
| Letter discussing the manufacturing advantages of a design principle for the vehicle's front structure. | 4th Nov 1937 | Box 119 \ 4 scan0068 | |
| Telegram from Steadman to Booth rescheduling a visit to Derby. | 4th Nov 1937 | Box 119 \ 4 scan0069 | |
| Blueprint showing a side profile of the front section of a motor car, including the bonnet and wing. | 8th Dec 1937 | Box 119 \ 4 scan0070 | |
| Follow-up letter concerning a previously submitted Bonnet and Wing invention, with internal annotations. | 8th Dec 1937 | Box 119 \ 4 scan0072 | |
| American car assembly methods and proposing a further step. | 8th Dec 1937 | Box 119 \ 4 scan0073 | |
| Memo discussing potential issues with a proposed 'Leslie Jones' bonnet design. | 21th Dec 1937 | Box 119 \ 4 scan0074 | |
| Letter critiquing an invention proposal for a bonnet and wing, detailing its mechanical weaknesses. | 21th Dec 1937 | Box 119 \ 4 scan0075 | |
| Letter to coachbuilder Park Ward & Co. Ltd. regarding a bonnet hinge design improvement and painting process. | 10th Dec 1937 | Box 119 \ 4 scan0076 | |
| Letter regarding a change in bonnet fastener types and returning submitted samples. | 21th Jan 1938 | Box 119 \ 4 scan0077 | |
| Return of sample bonnet fasteners to the supplier as they are no longer required. | 21th Jan 1938 | Box 119 \ 4 scan0078 | |
| Loan and return of a set of bonnet fasteners. | 24th Jan 1938 | Box 119 \ 4 scan0079 | |
| Letter from Ferodo Limited regarding incorrect product dimensions for a bonnet rest and delivery delays for V belts. | 24th Jan 1938 | Box 119 \ 4 scan0080 | |
| Letter to Ferodo Ltd. regarding an order for 'Bon-Rest' strip and 'Fero-grip' fan belts. | 27th Jan 1938 | Box 119 \ 4 scan0081 | |
| Internal request to place an order for 50 ft. of cable laid bonnet rest with British Belting & Asbestos Ltd. | 3rd Feb 1938 | Box 119 \ 4 scan0082 | |
| Letter to The British Belting & Asbestos Co. requesting a further 50 feet of cable laid cotton bonnet rest. | 3rd Feb 1938 | Box 119 \ 4 scan0083 | |
| Letter to Park Ward Ltd. regarding a delay in dispatching a steel bonnet for anti-rust treatment. | 16th Feb 1938 | Box 119 \ 4 scan0084 | |
| The allocation of Bonrest material from Ferodo Ltd. for experimental purposes. | 22th Feb 1938 | Box 119 \ 4 scan0085 | |
| Letter of introduction for a supervisor to visit Messrs. Hallam, Sleigh & Cheston Ltd. to discuss Widney hinges for new models. | 24th Feb 1938 | Box 119 \ 4 scan0086 | |
| Letter from a contractor discussing a meeting about the manufacture of hinges, bonnet panels, and proposed standardisation. | 25th Feb 1938 | Box 119 \ 4 scan0087 | |
| Letter to Messrs. Hallam, Sleigh & Cheston Ltd. regarding the fitting of a Tidney hinge to bonnet plates. | 14th Apr 1938 | Box 119 \ 4 scan0088 | |
| Letter from the Experimental Department inquiring if tools can fold a side edge section. | 14th Apr 1938 | Box 119 \ 4 scan0089 | |
| Arranging for a supplier to fit a widney hinge to the top plates for a 28.G.VI car bonnet. | 14th Apr 1938 | Box 119 \ 4 scan0090 | |
| Letter detailing instructions for fitting a Widney hinge to a pair of bonnet plates. | 14th Apr 1938 | Box 119 \ 4 scan0091 | |
| Letter from the Experimental Department inquiring about the capability of tools to fold a side edge section. | 14th Apr 1938 | Box 119 \ 4 scan0092 | |
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