| Description | Date | Identifier | |
| Covering letter for a report on testing accumulators from J.C. Fuller Ltd. | 23th Sep 1913 | Box 9 \ 6 06-page04 | |
| Performance, potential issues, and construction of Fuller Accumulators (batteries). | 25th Sep 1913 | Box 9 \ 6 06-page05 | |
| From Mr Royce regarding accumulator testing, sulphating, and material design. | 27th Sep 1913 | Box 9 \ 6 06-page06 | |
| Letter to The Fuller Electrical Co. requesting information on lighting and starting batteries for a post-war car. | 2nd Jan 1919 | Box 9 \ 6 06-page07 | |
| Letter from The Fuller Accumulator Co. Ltd. regarding a lighting and starting battery for a post-war chassis. | 6th Jan 1919 | Box 9 \ 6 06-page08 | |
| Letter to The Fuller Accumulator Co. Ltd. to reschedule a meeting regarding lighting and starting batteries. | 8th Jan 1919 | Box 9 \ 6 06-page09 | |
| Letter from The Fuller Accumulator Co. Ltd. arranging a meeting about starting and lighting batteries. | 14th Jan 1919 | Box 9 \ 6 06-page10 | |
| Schedule of visits from representatives of various firms to discuss post-war equipment and batteries. | 14th Jan 1919 | Box 9 \ 6 06-page11 | |
| Letter from The Fuller Accumulator Co. Ltd regarding an interview, sending a price list, and acknowledging a verbal order for Sparta Batteries. | 20th Jan 1919 | Box 9 \ 6 06-page12 | |
| Battery from Fuller Accumulator Co. that was promised but has not yet been delivered. | 5th Feb 1919 | Box 9 \ 6 06-page13 | |
| Letter from The Fuller Accumulator Co. Ltd. regarding the supply of two sample batteries for testing. | 13th Feb 1919 | Box 9 \ 6 06-page14 | |
| Extract of a memo regarding a follow-up with the Fuller Co. about a battery delivery. | 18th Feb 1919 | Box 9 \ 6 06-page15 | |
| The despatch of two sample batteries from the Fuller Accumulator Company for experimental testing. | 25th Feb 1919 | Box 9 \ 6 06-page16 | |
| Arranging for the official order and testing of two Fuller starter batteries. | 20th Mar 1919 | Box 9 \ 6 06-page17 | |
| Sample batteries from various suppliers, with a detailed analysis of a Chloride battery's specifications and design flaws. | 21th Mar 1919 | Box 9 \ 6 06-page18 | |
| The performance and characteristics of a P. & R. celluloid battery, type L.D.11, including a sketch and dimensions. | 26th Apr 1917 | Box 9 \ 6 06-page19 | |
| The testing and initial assessment of car batteries, including capacity, construction, and a sketch with dimensions. | 26th Apr 1917 | Box 9 \ 6 06-page20 | |
| Letter to The Fuller Accumulator Co. Ltd. complaining about issues with received lighting and starting batteries. | 24th Mar 1919 | Box 9 \ 6 06-page21 | |
| Charging and discharging treatment of a car lighting and starting battery. | 24th Mar 1919 | Box 9 \ 6 06-page22 | |
| Record of battery charging, discharging, weight, and cell density tests. | 1st Apr 1919 | Box 9 \ 6 06-page23 | |
| Test log detailing cell densities, charge cycles, and discharge performance. | 3rd Apr 1919 | Box 9 \ 6 06-page24 | |
| Log detailing cell densities and the fourth charge cycle of a battery, including amperage and duration. | 10th Apr 1919 | Box 9 \ 6 06-page25 | |
| Letter from The Fuller Accumulator Co. Limited regarding issues with supplied lighting and starting batteries. | 26th Mar 1919 | Box 9 \ 6 06-page26 | |
| Letter to The Fuller Accumulator Co. regarding the supply of terminal cones and rubber vents for batteries on test. | 28th Mar 1919 | Box 9 \ 6 06-page27 | |
| Letter from The Fuller Accumulator Co. Limited confirming the dispatch of terminals and cones by Parcel Post. | 1st Apr 1919 | Box 9 \ 6 06-page28 | |
| Letter to The Fuller Accumulator Co. Ltd. confirming receipt of terminal cones and vents for sample batteries on test. | 7th Apr 1919 | Box 9 \ 6 06-page29 | |
| The receipt and performance of lighting and starting batteries, with a negative assessment of Fuller batteries. | 10th Apr 1919 | Box 9 \ 6 06-page30 | |
| The construction and condition of batteries, including a sketch plan of the cell arrangement. | 10th Apr 1919 | Box 9 \ 6 06-page31 | |
| Battery specifications, including weights, dimensions, and capacities for Tudor and P. & R. models. | 10th Apr 1919 | Box 9 \ 6 06-page32 | |
| The design and requirements for a lighting and starting battery, including a sketch plan and correspondence with the Peto & Radford Company. | 10th Apr 1919 | Box 9 \ 6 06-page33 | |
| Performance issues with P. & R. Company batteries, focusing on discharge capacity and high acid density. | 10th Apr 1919 | Box 9 \ 6 06-page34 | |
| Extract from a report concerning a poorly performing Fuller battery. | 2nd May 1919 | Box 9 \ 6 06-page35 | |
| Unsatisfactory trial batteries from the Fuller Co. and whether to give them another opportunity alongside other suppliers. | 30th May 1919 | Box 9 \ 6 06-page36 | |
| Viability and advantages of Fuller Batteries and the policy on testing. | 31th May 1919 | Box 9 \ 6 06-page37 | |
| Letter from a supplier about a leaky battery and an offer to build a new one to specification. | 20th Jun 1919 | Box 9 \ 6 06-page38 | |
| Letter to The Fuller Accumulator Co. Ltd. enclosing a specification for a lighting and starting battery for consideration and experimentation. | 24th Jun 1919 | Box 9 \ 6 06-page39 | |
| Letter from Fuller's United Electric Works Ltd. regarding a specification for a starting and lighting battery for experimental purposes. | 25th Jun 1919 | Box 9 \ 6 06-page40 | |
| The first discharge test of a Fuller battery. | 24th Nov 1919 | Box 9 \ 6 06-page41 | |
| List of different battery models and their corresponding weights. | 3rd Dec 1919 | Box 9 \ 6 06-page42 | |
| List of good and bad points regarding a 'Fullor special battery'. | 15th Dec 1919 | Box 9 \ 6 06-page43 | |
| Instructions and feedback concerning a battery's performance and design. | 15th Dec 1919 | Box 9 \ 6 06-page44 | |
| Experiment report on the effect of temperature on the efficiency of batteries. | 9th Jan 1920 | Box 9 \ 6 06-page45 | |
| Letter from Fuller's United Electric Works Ltd. promoting their 'SPARTA' batteries for English and American cars. | 16th Jan 1920 | Box 9 \ 6 06-page46 | |
| Advertisement page for the 'Popular' electric hand lamp from Fuller's United Electric Works. | 11th Dec 1919 | Box 9 \ 6 06-page47 | |
| Advertisement for Fuller's 'Sparta' batteries, including a schedule of models and prices for American cars. | 11th Dec 1919 | Box 9 \ 6 06-page48 | |
| Letter detailing the test results for a chassis lighting and starting battery from The Fuller Accumulator Co. Ltd. | 11th May 1920 | Box 9 \ 6 06-page49 | |
| Page 2 of a report detailing the results of a battery discharge test and future testing plans. | 14th May 1920 | Box 9 \ 6 06-page50 | |
| List of different battery types with remarks on their cable connection methods. | 14th May 1920 | Box 9 \ 6 06-page51 | |
| Letter from Fuller's United Electric Works Ltd. regarding a chassis lighting and starting battery. | 14th May 1920 | Box 9 \ 6 06-page52 | |
| Design and mounting of the steering box for the Wraith 11 model. | 3rd Apr 1936 | Box 9 \ 7 07-page001 | |
| Steering column and box details for various car models. | 23th Jun 1936 | Box 9 \ 7 07-page002 | |
| The design of the Wraith II Side Steering Tube, comparing it with other models. | 23th Jun 1936 | Box 9 \ 7 07-page003 | |
| Wraith II steering levers and the layout of the steering gear, referencing schematic N.Sch.4822. | 18th Jun 1936 | Box 9 \ 7 07-page004 | |
| Modifications to the Wraith II steering column box support. | 23th Jun 1936 | Box 9 \ 7 07-page005 | |
| Alternative joint design for the Wraith II side steering tube. | 25th Jun 1936 | Box 9 \ 7 07-page006 | |
| Design and specifications of the Wraith II steering ball joint. | 6th Jul 1936 | Box 9 \ 7 07-page007 | |
| Design of the Wraith II steering ball joint. | 6th Jul 1936 | Box 9 \ 7 07-page008 | |
| Scheme from Adamant Engineering for holding together inner races of a roller follower for the Wraith II steering gear. | 9th Jul 1936 | Box 9 \ 7 07-page009 | |
| Drawings for the Side Steering Tube Layout and Starting Handle forward Bearing for the Wraith II. | 14th Jul 1936 | Box 9 \ 7 07-page010 | |
| The redesign of the Wraith II steering column's pendulum lever, changing from a stiff to a more elastic design. | 17th Jul 1936 | Box 9 \ 7 07-page011 | |
| Design modification to the Wraith II steering column pendulum lever, shifting from a belief in rigidity to elasticity. | 17th Jul 1936 | Box 9 \ 7 07-page012 | |
| Retainer design for the cam follower ball bearing in the Wraith II steering box. | 18th Aug 1936 | Box 9 \ 7 07-page013 | |
| Confirming an urgent request to build a Wraith steering gear to check the compatibility of cams and rollers from the Adamant Co. | 23th Sep 1936 | Box 9 \ 7 07-page014 | |
| Requesting the steering stops for the Wraith II be put on the yoke piece as designed for the Bentley III. | 14th Oct 1936 | Box 9 \ 7 07-page015 | |
| Assembly of the cam wheel bearing for the Wraith II steering, arranging for new parts and suggesting their fitment. | 26th Oct 1936 | Box 9 \ 7 07-page016 | |
| Modifications to the side and cross steering tubes for the Wraith II model. | 10th Nov 1936 | Box 9 \ 7 07-page017 | |
| Proposal for a simplified steering tube adjustment for the Wraith II and P3 chassis. | 18th Nov 1936 | Box 9 \ 7 07-page018 | |
| Cross-section drawing of a simplified steering tube adjustment mechanism for the P3 and Vulture II. | 18th Nov 1939 | Box 9 \ 7 07-page019 | |
| The design and cost investigation of Wraith II side and cross steering tubes. | 1st Dec 1936 | Box 9 \ 7 07-page020 | |
| Instruction to apply a butted tube design from the Bentley III to the Wraith II side and cross steering tubes. | 16th Dec 1936 | Box 9 \ 7 07-page021 | |
| Modifications to the Wraith steering gear. | 12th Jan 1937 | Box 9 \ 7 07-page022 | |
| Design improvements for the Wraith II steering pivot lubrication system, comparing it with existing and Bentley standard schemes. | 13th Jan 1937 | Box 9 \ 7 07-page023 | |
| Proposal to abolish the 'F' type steering column for the Wraith II model. | 19th Jan 1937 | Box 9 \ 7 07-page024 | |
| Non-standard steering components for a Wraith model, with usage restrictions. | 26th Jan 1937 | Box 9 \ 7 07-page025 | |
| Requesting the anodising of an aluminium steering control quadrant at Hucknall. | 4th Feb 1937 | Box 9 \ 7 07-page026 | |
| Cost estimate comparison for the steering column and box between a Wraith chassis and a 25/30HP chassis. | 7th Mar 1938 | Box 9 \ 7 07-page027 | |
| Specification for cost-saving modifications to the steering gear for the Second Wraith car. | 8th Feb 1937 | Box 9 \ 7 07-page028 | |
| Typed instruction to remove excess metal from the feet of a steering box and its mounting clips. | 8th Feb 1937 | Box 9 \ 7 07-page029 | |
| Modifications to the Wraith II side steering tube and its potential use on Bentley cars. | 9th Feb 1937 | Box 9 \ 7 07-page030 | |
| Modifications to the Wraith II Side Steering Tube and comparing it to Bentley parts. | 9th Feb 1937 | Box 9 \ 7 07-page031 | |
| Modifications to the Wraith II Steering Box recommended by the Experimental Department. | 12th Feb 1937 | Box 9 \ 7 07-page032 | |
| Details on proposed modifications to the steering box, cap, and column outer tube. | 12th Feb 1937 | Box 9 \ 7 07-page033 | |
| Modifications to the Wraith II Steering Box. | 12th Feb 1937 | Box 9 \ 7 07-page034 | |
| Proposed modifications to the steering box, cap, and outer tube for weight and cost reduction. | 12th Feb 1937 | Box 9 \ 7 07-page035 | |
| Proposing a new, less expensive, and lighter scheme for the Wraith II Steering Box oil ways. | 17th Feb 1937 | Box 9 \ 7 07-page036 | |
| Proposing a new, lighter and less expensive scheme for the Wraith II Steering Box oil ways. | 17th Feb 1937 | Box 9 \ 7 07-page037 | |
| Cost-effectiveness and desirability of a modified rocker shaft and lubrication system for the Wraith II Steering Box. | 25th Feb 1937 | Box 9 \ 7 07-page038 | |
| Cost, weight, and design implications of a modified Wraith II steering box. | 25th Feb 1937 | Box 9 \ 7 07-page039 | |
| Bijur oil system for the Wraith II steering box and its application on the Phantom III chassis. | 26th Feb 1937 | Box 9 \ 7 07-page040 | |
| Modifications to the Phantom III steering box for Wraith II wheel movement, specifically regarding the cross bolt. | 9th Mar 1937 | Box 9 \ 7 07-page041 | |
| Material choice and testing of a steering control quadrant for the Wraith model. | 10th Mar 1937 | Box 9 \ 7 07-page042 | |
| Modifications to the Wraith III steering system to reduce friction, simplify machining, and cut costs. | 15th Mar 1937 | Box 9 \ 7 07-page043 | |
| Proposed design change for steering columns to simplify production. | 5th Apr 1937 | Box 9 \ 7 07-page044 | |
| Side Steering Tube Section 7070 for the Wraith III Chassis. | 6th Apr 1937 | Box 9 \ 7 07-page045 | |
| Cost-saving suggestion for a built-up cam tube for steering columns. | 12th Apr 1937 | Box 9 \ 7 07-page046 | |
| Requesting a status update on the development of adjustable side and cross steering tubes for the Wraith and Phantom III models. | 6th Apr 1937 | Box 9 \ 7 07-page047 | |
| Progress of adjustable side and cross steering tubes for the Wraith and Phantom III models. | 13th Apr 1937 | Box 9 \ 7 07-page048 | |
| Cost-reduction modification for the steering column cam tube, referencing scheme RM.352. | 15th Apr 1937 | Box 9 \ 7 07-page049 | |
| The creation of a new bolt for the cross steering lever on the Wraith III. | 21th Apr 1937 | Box 9 \ 7 07-page050 | |
| Alteration of the castor angle on the Wraith III steering. | 23th Apr 1937 | Box 9 \ 7 07-page051 | |
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