| Description | Date | Identifier | |
| Modification and testing of a split rear bumper fairing. | 15th Feb 1956 | Box 26 \ 1 Scan223 | |
| Letter to a US representative regarding new four-door hardtop cars with no centre pillars. | 13th Feb 1956 | Box 26 \ 1 Scan224 | |
| Defining the correct settings for door and window winder handles. | 8th Feb 1956 | Box 26 \ 1 Scan225 | |
| Varying dimensions of number plates across different U.S. states. | 9th Mar 1956 | Box 26 \ 1 Scan226 | |
| Letter from a US distributor regarding American car design trends and enclosed catalogues. | 13th Jan 1956 | Box 26 \ 1 Scan227 | |
| New, more durable rubber ignition key tag, referencing sketch SG.4152. | 2nd Feb 1956 | Box 26 \ 1 Scan228 | |
| Design drawing for a rubber tag for an ignition key, showing dimensions and monogram options. | 30th Jan 1956 | Box 26 \ 1 Scan229 | |
| Wind noise issues with a Sunshine Roof on model B.90.BA. | 30th Jan 1956 | Box 26 \ 1 Scan230 | |
| Letter to Hooper & Co., Ltd. clarifying details on bonnet hinges, fastener assemblies, mouldings and bumpers for a chassis. | 27th Jan 1956 | Box 26 \ 1 Scan231 | |
| The inspection of a Siam Continental with a mock-up steering column and L Engine. | 25th Jan 1956 | Box 26 \ 1 Scan232 | |
| Requesting the build of a front end mock-up for wind tunnel testing. | 24th Jan 1956 | Box 26 \ 1 Scan233 | |
| Scheme for the revised rear end of a Siam Wraith 133' WB Park Ward Touring Limousine. | 24th Jan 1956 | Box 26 \ 1 Scan234 | |
| Changes to the boot lid, reverse lamps, and number plate panel for Standard Saloon models. | 24th Jan 1956 | Box 26 \ 1 Scan235 | |
| Letter to coachbuilder Hooper & Co. regarding chassis information and design updates for a 12' 1' wheelbase car. | 19th Jan 1956 | Box 26 \ 1 Scan236 | |
| Letter accompanying a set of drawings related to body design. | 16th Jan 1956 | Box 26 \ 1 Scan237 | |
| Test drive report and initial impressions of the Jensen 541. | 16th Jan 1956 | Box 26 \ 1 Scan238 | |
| Handbrake position and clearance issues on Mulliner Continental models. | 16th Jan 1956 | Box 26 \ 1 Scan239 | |
| Effect of a proposed new Bentley rear axle design on the vehicle's coachwork. | 4th Jan 1956 | Box 26 \ 1 Scan240 | |
| Modifications required for the freewheeling boot lid handle button on Bentley 'S' and Silver Cloud models. | 3rd Jan 1956 | Box 26 \ 1 Scan241 | |
| Letter from S. Smith & Sons regarding proposals and manufacturing difficulties for a new push button knob. | 3rd Jan 1956 | Box 26 \ 1 Scan242 | |
| Letter to Mr DeLooze regarding instruction book updates for a new axle and propeller shaft, lubrication issues, and the safety of a bolt valve. | 20th Dec 1911 | Box 26 \ 2 Scan001 | |
| Note from Mr Royce regarding instructions for the rear brakes instruction book. | 9th Mar 1912 | Box 26 \ 2 Scan002 | |
| Request to schedule a photoshoot of a new chassis with double rear brakes for a revised instruction book. | 15th Jul 1913 | Box 26 \ 2 Scan003 | |
| Requesting criticism on a revised Instruction Book. | 1st Aug 1913 | Box 26 \ 2 Scan004 | |
| Feedback on proposed amendments to an instruction book for the 2700 and 2800 series. | 25th Nov 1913 | Box 26 \ 2 Scan005 | |
| Updates to the instruction book regarding braking systems and engine terminology. | 25th Nov 1913 | Box 26 \ 2 Scan006 | |
| The disadvantages of the magneto plug's intermediate position for the instruction book. | 25th Nov 1913 | Box 26 \ 2 Scan007 | |
| And containing handwritten feedback for an instruction book. | 28th Nov 1913 | Box 26 \ 2 Scan008 | |
| From Mr Hives suggesting revisions to the engine starting procedure in an instruction book. | 25th Nov 1913 | Box 26 \ 2 Scan009 | |
| Internal memo discussing corrections and suggestions for an instruction book. | 25th Nov 1913 | Box 26 \ 2 Scan010 | |
| Instructions for amendments to a publication. | 18th Sep 1913 | Box 26 \ 2 Scan011 | |
| Suggesting amendments to a publication regarding driving instructions and risks. | 18th Sep 1913 | Box 26 \ 2 Scan012 | |
| Report by Mr. Haldenby detailing suggested amendments for Instruction Book X 995. | 3rd Dec 1913 | Box 26 \ 2 Scan013 | |
| List of suggested amendments for an instruction book. | 3rd Dec 1913 | Box 26 \ 2 Scan014 | |
| Prevention of sulphation in battery cells and how to update the instruction book. | 1st Dec 1913 | Box 26 \ 2 Scan015 | |
| Outlining suggestions for the instruction book regarding gear oil, rear brake adjustment, and fan/dynamo belt treatment. | 10th Dec 1913 | Box 26 \ 2 Scan016 | |
| Internal memorandum suggesting a change to the instruction book regarding the clearance for tappet readjustment. | 10th Dec 1913 | Box 26 \ 2 Scan017 | |
| Reviewing and commenting on suggestions for an instruction book, covering lubricants, brake adjustment, fan belts, and tappet clearance. | 10th Dec 1913 | Box 26 \ 2 Scan018 | |
| Circulating a document related to the Instruction Book for review and comment. | 17th Dec 1913 | Box 26 \ 2 Scan019 | |
| Response memo detailing Mr. Haldenby's report on points for an instruction book, including lubrication, brake adjustment, and belt maintenance. | 17th Dec 1913 | Box 26 \ 2 Scan020 | |
| Requesting a reply regarding the Instruction Book. | 17th Dec 1913 | Box 26 \ 2 Scan021 | |
| Instructions for accumulators regarding discharging and charging rules to be added to an instruction book. | 18th Dec 1913 | Box 26 \ 2 Scan022 | |
| Set of working rules for the maintenance and care of a battery. | 18th Dec 1913 | Box 26 \ 2 Scan023 | |
| Criticism on an instruction book, with a handwritten reply. | 23th Dec 1913 | Box 26 \ 2 Scan024 | |
| To Mr. Southern confirming that the instructions in a book are considered complete. | 30th Dec 1913 | Box 26 \ 2 Scan025 | |
| Proposing a new paragraph for an instruction book regarding engine detonation, also known as 'knock' or 'pinking'. | 9th Jan 1914 | Box 26 \ 2 Scan026 | |
| To Mr Hives regarding Instruction Book X.995, with a handwritten reply concerning engine 'chirping or pinking'. | 15th Jan 1914 | Box 26 \ 2 Scan027 | |
| Engine chirping or pinking in relation to an instruction book. | 17th Jan 1914 | Box 26 \ 2 Scan028 | |
| Request for a copy of the latest instruction book. | 21th May 1914 | Box 26 \ 2 Scan029 | |
| Whether to recommend specific makes of articles, such as the C.A.V. Dynamo, in the instruction book. | 6th May 1914 | Box 26 \ 2 Scan030 | |
| Recommended lubrication interval for the universal joint for an instruction book. | 5th May 1915 | Box 26 \ 2 Scan031 | |
| Proposed insert for a car instruction book regarding the maintenance of ignition plugs. | 29th Oct 1915 | Box 26 \ 2 Scan032 | |
| Update to the 40/50 chassis instruction book for the ignition system. | 15th Aug 1919 | Box 26 \ 2 Scan033 | |
| Suggesting an update to the 40/50 Chassis instruction book to include modern ignition instructions. | 28th Aug 1919 | Box 26 \ 2 Scan034 | |
| Request for particulars on the Electrical Outfit of the Series 'J' Chassis to adapt the Instruction Book. | 28th Aug 1919 | Box 26 \ 2 Scan035 | |
| Description of the electrical system for the 40/50 HP Chassis, Series J.K., referencing wiring diagram N.1293. | 6th Oct 1919 | Box 26 \ 2 Scan036 | |
| List and description of electrical components and their functions, including starting, ignition, and dynamo systems. | 6th Oct 1919 | Box 26 \ 2 Scan037 | |
| Description of the dynamo regulation using the 'Rotax Leitner System' and the connected Lucas switchbox. | 6th Oct 1919 | Box 26 \ 2 Scan038 | |
| Technical description of the switchbox, its connections, and the electrical system's potential. | 6th Oct 1919 | Box 26 \ 2 Scan039 | |
| Description of the dynamo charging switch operations and the function of the fuse protection system. | 6th Oct 1919 | Box 26 \ 2 Scan040 | |
| Page describing the dynamo charging system and lighting switch connections. | 6th Oct 1919 | Box 26 \ 2 Scan041 | |
| Continued description of the Lucas switchbox, battery, and ammeter. | 6th Oct 1919 | Box 26 \ 2 Scan042 | |
| Description of the lamp connections, starter motor, and its main switch. | 6th Oct 1919 | Box 26 \ 2 Scan043 | |
| Description of the Actuator Box and Push Button Switch mechanisms. | 16th Oct 1919 | Box 26 \ 2 Scan044 | |
| Description of the Junction Box and the Steering Column Switch. | 1st Oct 1919 | Box 26 \ 2 Scan045 | |
| Description of the ignition switch operations and details on the ignition coil, ballast resistance, and distributor unit. | 1st Oct 1919 | Box 26 \ 2 Scan046 | |
| Page detailing the electrical connections for the magneto, distributor, Klaxon, lamps, and battery. | 6th Oct 1919 | Box 26 \ 2 Scan047 | |
| Explanation of the ammeter's function and wiring in relation to the junction box and switchbox. | 16th Oct 1919 | Box 26 \ 2 Scan048 | |
| Description of the connections for the motor, main switch, actuator box, and push-button switch circuits. | 16th Oct 1919 | Box 26 \ 2 Scan049 | |
| Description of the low tension battery ignition circuit connections. | 6th Oct 1919 | Box 26 \ 2 Scan050 | |
| The function of the fuses on the Lucas junction box and the consequences of earth faults. | 6th Oct 1919 | Box 26 \ 2 Scan051 | |
| Instructions on the starter motor relay circuit and the need to remove fuses for examination. | 1st Dec 1919 | Box 26 \ 2 Scan052 | |
| Cover memo for suggested points on the electrical system for the 40/50 HP Series J.K. instruction book. | 1st Dec 1919 | Box 26 \ 2 Scan053 | |
| Instructions for tracing an electrical earth fault on a 40/50 HP Series J.K. chassis. | 28th Oct 1919 | Box 26 \ 2 Scan054 | |
| Troubleshooting guide for diagnosing earth faults in the vehicle's ignition and electrical system. | 26th Apr 1917 | Box 26 \ 2 Scan055 | |
| Instructions on troubleshooting electrical earth faults and dynamo maintenance. | 26th Apr 1917 | Box 26 \ 2 Scan056 | |
| Instructions for dynamo belt adjustment and Lucas switchbox maintenance, including fuses and cut-out. | 28th Apr 1917 | Box 26 \ 2 Scan057 | |
| Instructions for the care and initial charging of a Chloride 6 BXE 5 battery. | 28th Apr 1917 | Box 26 \ 2 Scan058 | |
| Instructions for the initial charging, discharging and preparation of a vehicle battery. | 26th Apr 1917 | Box 26 \ 2 Scan059 | |
| Running instructions for the battery and dynamo charging system once installed on the chassis. | 26th Apr 1917 | Box 26 \ 2 Scan060 | |
| Instructions for lead-acid battery maintenance, charging, and cleaning. | 25th Apr 1917 | Box 26 \ 2 Scan061 | |
| Instructions on battery maintenance, cleaning, and testing procedures. | 1st Apr 1917 | Box 26 \ 2 Scan062 | |
| Instructions on battery maintenance, density readings, and in-garage charging procedures. | 26th Apr 1917 | Box 26 \ 2 Scan063 | |
| Instructions on battery charging methods and correct usage of the starter motor. | 28th Apr 1917 | Box 26 \ 2 Scan064 | |
| Instructions for short and long-term battery storage and despatch. | 26th Jan 1917 | Box 26 \ 2 Scan065 | |
| Instructions for battery storage, and warnings about over-discharging and sulphation. | 1st Feb 1913 | Box 26 \ 2 Scan066 | |
| Instructions on how to store a battery for a long period by removing the sulphuric acid. | 26th Apr 1917 | Box 26 \ 2 Scan067 | |
| Page detailing instructions for the Weston Ammeter and maintenance procedures for the Starter Motor, including lubrication, brushes, and chain adjustment. | 26th Apr 1917 | Box 26 \ 2 Scan068 | |
| Instructions regarding the electrical system, specifically the lamps and the main switch. | 26th Apr 1917 | Box 26 \ 2 Scan069 | |
| Instructions for the Lucas Junction Box fuses and the Contact Breaker & Distributor. | 26th Apr 1917 | Box 26 \ 2 Scan070 | |
| Instructions for setting the points and maximum gap opening on a high tension distributor. | 3rd Nov 1919 | Box 26 \ 2 Scan071 | |
| Recommending the inclusion of a syringe-type hydrometer in the chassis kit and instruction book. | 3rd Nov 1919 | Box 26 \ 2 Scan072 | |
| Distributing updated notes on 'Care of Battery' for the 40/50 HP chassis. | 4th Nov 1919 | Box 26 \ 2 Scan073 | |
| Revisions and additions for the Chassis Instruction Book. | 23th Nov 1919 | Box 26 \ 2 Scan074 | |
| Updates to the Chassis Instruction Book, including the electrical scheme and wiring diagrams. | 23th Dec 1919 | Box 26 \ 2 Scan075 | |
| Correct acid density and charging procedure for a Chloride 6 BXE 5 battery. | 23th Dec 1919 | Box 26 \ 2 Scan076 | |
| Battery charging instructions, acid density, and capacity enhancement. | 23th Dec 1919 | Box 26 \ 2 Scan077 | |
| Issue with wiring connections causing the motor to start when the battery is disconnected while the lights are on. | 30th Dec 1919 | Box 26 \ 2 Scan078 | |
| Wiring connections, potential safety issues with the actuator box, and battery charging recommendations. | 1st Jan 1920 | Box 26 \ 2 Scan079 | |
| Actuator box power differences and a safety warning about battery explosion risks from sparks. | 1st Jan 1920 | Box 26 \ 2 Scan080 | |
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