| Description | Date | Identifier | |
| Chain drive from the rear end of the camshaft to the Kellogg air pump or revolution counter. | 15th Sep 1913 | Box 77 \ 4 scan0052 | |
| Customer requests for fittings and proposing a solution for driving a Kellog tyre air pump. | 31th Oct 1913 | Box 77 \ 4 scan0053 | |
| Fitting an air self-starter, customer requirements for revolution indicators, and alternative ignition systems. | 31th Oct 1913 | Box 77 \ 4 scan0054 | |
| New small air pump, self-starter accessories, and changes to the change speed lever arrangement. | 3rd Nov 1913 | Box 77 \ 4 scan0055 | |
| The dispatch of a Kellogg pump to Le Canadel. | 17th Nov 1913 | Box 77 \ 4 scan0056 | |
| Kellog Air Pump awaiting instructions for despatch to Mr Royce. | 18th Nov 1913 | Box 77 \ 4 scan0057 | |
| Seeking clarification on fitting a Kellogg Air Pump to chassis 2704. | 25th Nov 1913 | Box 77 \ 4 scan0058 | |
| Instruction memo regarding a sketch of a Kellogg drive for air pumps. | 26th Nov 1913 | Box 77 \ 4 scan0059 | |
| Visit to West Wittering to discuss the suitability of a Kellogg air pump and oil filter designs for the 40/50 HP chassis. | 5th Oct 1920 | Box 77 \ 4 scan0060 | |
| Dunlop wheels, straight-sided tyres, and the consideration of a mechanically driven tyre pump. | 30th Apr 1920 | Box 77 \ 4 scan0061 | |
| Impulse starters versus hand magnetos and the design of an air pump for tyres on armoured cars. | 8th Oct 1920 | Box 77 \ 4 scan0062 | |
| Proposed design for an air pump drive mechanism involving a sliding pinion. | 11th Oct 1920 | Box 77 \ 4 scan0063 | |
| Confirmation of a telegram to Chichester regarding a government order and the supply and manufacture of parts. | 12th Oct 1920 | Box 77 \ 4 scan0064 | |
| Continued memo from Royce requesting models of purchasable items be brought to him at the Russell Hotel. | 11th Aug 1920 | Box 77 \ 4 scan0065 | |
| Extract concerning the fitting of air pumps to armoured car engines. | 21th Oct 1920 | Box 77 \ 4 scan0066 | |
| Instructions and sketches for the 40/50 HP tyre pump mounting and control mechanism on armoured cars. | 21th Oct 1920 | Box 77 \ 4 scan0067 | |
| Connecting rod's orientation for oil pickup based on the pump's rotational direction. | 21th Oct 1920 | Box 77 \ 4 scan0068 | |
| Blueprints for a Tyre Pump and Tyre Pump Mounting for Armoured Cars. | 22th Oct 1920 | Box 77 \ 4 scan0069 | |
| New method for driving the Maxfield tyre pump on armoured cars, using a flexible shaft. | 25th Oct 1920 | Box 77 \ 4 scan0070 | |
| Fitting of a tyre pump pipe and separator on Armoured Cars, including a supplied sketch. | 26th Oct 1920 | Box 77 \ 4 scan0071 | |
| Alternative lubrication method for the tyre pump and specifications for valve springs and gearing on the 40/50 HP chassis. | 26th Oct 1920 | Box 77 \ 4 scan0072 | |
| Proposal for a new oil separator for the tyre pump, comparing it with the existing Maxfield separator. | 29th Oct 1920 | Box 77 \ 4 scan0073 | |
| The air pump with drive for armoured cars, requesting drawings for the Experimental Department. | 29th Oct 1920 | Box 77 \ 4 scan0074 | |
| Design and comparison of an oil separator for a tyre pump. | 29th Oct 1920 | Box 77 \ 4 scan0075 | |
| Continued note regarding the difficulty of drilling armouring and suggesting an alternative method. | 29th Oct 1920 | Box 77 \ 4 scan0076 | |
| New design scheme for an oil separator for a tyre pump. | 7th Nov 1920 | Box 77 \ 4 scan0077 | |
| Spring arrangements and experimental suggestions for the Tyre Pump Control mechanism. | 20th Dec 1928 | Box 77 \ 4 scan0078 | |
| Modifications to the tyre pump control, referencing blueprint N. scheme 636. | 3rd Dec 1920 | Box 77 \ 4 scan0079 | |
| Request from the American branch for tyre pumps and Alemite lubricators. | 15th Dec 1920 | Box 77 \ 4 scan0080 | |
| Testing of an air pump's suitability for chassis being supplied to the India Office. | 25th Feb 1921 | Box 77 \ 4 scan0081 | |
| Production difficulties with lining up pump crank discs and proposing a new experimental design. | 7th Mar 1921 | Box 77 \ 4 scan0082 | |
| Manufacturing issues with air pump filters, specifically porosity in aluminium castings and achieving an air-tight seal. | 14th Apr 1921 | Box 77 \ 4 scan0083 | |
| Modifications to the 40/50 Tyre Pump, including blueprints and a filter design. | 18th Apr 1921 | Box 77 \ 4 scan0084 | |
| Locking pins to prevent crankpin rotation on 'N' Scheme 843. | 18th Apr 1921 | Box 77 \ 4 scan0085 | |
| Urgent memo from 'E.' to 'HS.' requesting a new connection for Mr. Royce's tyre pump on the 6 EX experimental vehicle. | 29th Jun 1921 | Box 77 \ 4 scan0086 | |
| The fitting of a tyre pump and oil trap to an order of 28 Armoured Cars. | 24th Aug 1921 | Box 77 \ 4 scan0087 | |
| Dispatch note listing various car parts being sent to an individual referred to as W.W. | 1st Jul 1921 | Box 77 \ 4 scan0088 | |
| Competitor's air pump and a potential order for an experimental pump on Armoured Cars. | 13th Jul 1921 | Box 77 \ 4 scan0089 | |
| Outstanding design points for a mechanical tyre pump and recommendations for its completion. | 8th Aug 1921 | Box 77 \ 4 scan0090 | |
| Letter from Autyre Pumps Co. Ltd. offering a new, more compact model of mechanical tyre pump for trial. | 12th Jan 1921 | Box 77 \ 4 scan0091 | |
| Offer from Autyre Pumps Company Ltd. for a new model mechanical tyre pump. | 13th Jan 1921 | Box 77 \ 4 scan0092 | |
| Listing various materials and parts received from suppliers for experiments. | 23th Oct 1919 | Box 77 \ 4 scan0093 | |
| Instruction to suspend work on a Goshawk Water Pump Drive Casing and related parts due to modifications and potential scrapping. | 1st Mar 1920 | Box 77 \ 4 scan0094 | |
| Parts fitted to a 'GOSHAWK' engine for testing. | 20th Sep 1920 | Box 77 \ 4 scan0095 | |
| Extract regarding a rattling noise in a Goshawk engine's water pump coupling and a subsequent examination. | 28th Sep 1920 | Box 77 \ 4 scan0096 | |
| Extract of design points for a small chassis, covering the pump, engine, and clutch specifications. | 17th Nov 1920 | Box 77 \ 4 scan0097 | |
| The water pump and water pump drive for the 'Goshawk II' engine, referencing drawing LeC.1335. | 22th Jan 1921 | Box 77 \ 4 scan0098 | |
| Modified arrangement and simplification of the Goshawk 11 water pump and drive. | 29th Jan 1921 | Box 77 \ 4 scan0099 | |
| Instruction to proceed with detail work for a simpler, lighter, and neater fabric coupling driver. | 29th Jan 1921 | Box 77 \ 4 scan0100 | |
| The Goshawk 11 water pump fittings, water connections, and draining procedures. | 12th Feb 1921 | Box 77 \ 4 scan0101 | |
| The distribution of two blueprints for 'Goshawk 11' engine components. | 14th Feb 1921 | Box 77 \ 4 scan0102 | |
| Proposal regarding the modification of a Water Pump Nut, finishing it with a flat instead of a sharp point. | 17th Mar 1921 | Box 77 \ 4 scan0103 | |
| Mr. Royce's agreement and design wishes for E.50186 forgings and E.15186 castellions. | 17th Mar 1921 | Box 77 \ 4 scan0104 | |
| Recommended modifications for the water pump, exhaust pipe, fan lubrication, steering stops, and radiator vent pipe. | 15th Nov 1921 | Box 77 \ 4 scan0105 | |
| Error in the thread direction for the Goshawk 11 water pump rotor, which has now been corrected. | 17th Nov 1921 | Box 77 \ 4 scan0106 | |
| Request for the Experimental Department to test modifications to the 'GOSHAWK II' water pump end cover. | 1st May 1922 | Box 77 \ 4 scan0107 | |
| Proposed modification to a water pump cover, showing changes to the inner core. | 18th Jul 1922 | Box 77 \ 4 scan0108 | |
| Request for a report on modifications to the 'Goshawk II' water pump end cover. | 18th Jul 1922 | Box 77 \ 4 scan0109 | |
| Disagreement over the fitting of the Goshawk II water pump drain pipe. | 24th Aug 1922 | Box 77 \ 4 scan0110 | |
| Sample leather discs for a Goshawk II water pump drive for comparison testing. | 25th Oct 1922 | Box 77 \ 4 scan0111 | |
| Test results for the Goshawk 11 engine's water pump delivery, showing RPM versus GPM. | 11th Jun 1923 | Box 77 \ 4 scan0112 | |
| Test data for a Goshawk water pump, showing delivery in gallons per minute at various RPMs at full throttle. | 5th Jul 1923 | Box 77 \ 4 scan0113 | |
| Recommendation to acquire half-a-dozen discs for a Goshawk 11 water pump. | 23th Nov 1923 | Box 77 \ 4 scan0114 | |
| 20-HP water pump failure, attributing the cause to a stripped thread from excessive wear and faulty fixing. | 18th Feb 1924 | Box 77 \ 4 scan0115 | |
| Analysis of a 20HP water pump failure, identifying three possible causes for end pressure on the rotor spindle. | 18th Feb 1924 | Box 77 \ 4 scan0116 | |
| Faulty water pump on 20-HP Chassis No. GA-39. | 7th May 1924 | Box 77 \ 4 scan0117 | |
| Observations and proposed modifications for various vehicle components following a visit. | 22th Aug 1922 | Box 77 \ 4 scan0118 | |
| Requesting a test and report on a sample of 'U-NEAD-IT' tyre repair preparation. | 31th Mar 1921 | Box 77 \ 4 scan0119 | |
| Promotional leaflet for the 'U-NEAD-IT' tyre puncture repair kit. | 22th Mar 1921 | Box 77 \ 4 scan0120 | |
| Instructions for repairing tyre cuts, punctures, and bursts using 'U-nead-it' compound. | 14th Apr 1921 | Box 77 \ 4 scan0121 | |
| To Mr. Hives requesting a report on a sample of 'U-NEAD-IT'. | 14th Apr 1921 | Box 77 \ 4 scan0122 | |
| Proposing a test of a puncture seal product called 'Impervo'. | 29th Jul 1922 | Box 77 \ 4 scan0123 | |
| Copy of a testimonial letter to Jackson's Impervo regarding tyre treatment in motorcycle racing. | 5th Jul 1922 | Box 77 \ 4 scan0124 | |
| Testimonial letter from T.J. ROSS to Messrs. Jackson's IMPERVO regarding the product's performance in tyres during several motor trials. | 28th Jun 1922 | Box 77 \ 4 scan0125 | |
| Letter from Harvey Frost & Co Ltd. regarding the properties of Jackson's Impervo tyre tube treatment. | 9th Jun 1922 | Box 77 \ 4 scan0126 | |
| Testimonial letter from a motorcycle racer regarding the performance of Jackson's IMPERVO tyre treatment. | 5th Jul 1922 | Box 77 \ 4 scan0127 | |
| Technical bulletin detailing the properties, application, and guarantees of 'Impervo' puncture-sealing liquid. | 5th Jul 1922 | Box 77 \ 4 scan0128 | |
| The properties and application of 'Impervo', a puncture-sealing and rubber-preserving product for tyre inner tubes. | 5th Jul 1922 | Box 77 \ 4 scan0129 | |
| The benefits of the 'Impervo' tyre product, focusing on preventing heat bursts, valve care, and durability. | 10th Aug 1922 | Box 77 \ 4 scan0130 | |
| Follow-up letter requesting a reply regarding a test of the 'Impervo' Puncture Seal tyre gadget. | 10th Aug 1922 | Box 77 \ 4 scan0131 | |
| Requesting a free sample of Jacksons Impervo Puncture Seal for testing and reporting. | 14th Aug 1922 | Box 77 \ 4 scan0132 | |
| Sample of Jackson's Impervo Puncture Seal being sent to Mr. Hives for testing. | 19th Aug 1922 | Box 77 \ 4 scan0133 | |
| The receipt of batteries, springs, metal sheets and tubes from various suppliers for specific experiments. | 26th Nov 1919 | Box 77 \ 4 scan0134 | |
| Weight specifications for radiator E.17143, when empty and full of water. | 16th Dec 1919 | Box 77 \ 4 scan0135 | |
| Comparison of two new in-house radiators with standard Marston radiators for the 40/50 chassis, detailing weight and construction. | 24th Dec 1919 | Box 77 \ 4 scan0136 | |
| Modifications to a radiator's construction for a 10,000-mile test car. | 24th Dec 1919 | Box 77 \ 4 scan0137 | |
| Requesting a list of ten new parts to be fitted to chassis 2.EX. | 29th Dec 1919 | Box 77 \ 4 scan0138 | |
| Radiator performance test results for a 49-GB car, recording water and air temperatures at various speeds. | 29th Dec 1919 | Box 77 \ 4 scan0139 | |
| Radiator temperature test results with readings taken at various speeds and locations. | 5th Jan 1920 | Box 77 \ 4 scan0140 | |
| List of new parts fitted to a car for a 10,000-mile run, with associated remarks. | 5th Jan 1920 | Box 77 \ 4 scan0141 | |
| Leakage in a radiator due to a split tube, recommending individual tube testing before assembly. | 21th Jan 1920 | Box 77 \ 4 scan0142 | |
| Condition report for chassis 2.EX, detailing component wear, performance, mileage, and fuel consumption. | 28th Jan 1920 | Box 77 \ 4 scan0143 | |
| Receipt of various materials including Aluminium, Springs, Nickel Silver, and Brass sheets. | 27th Mar 1920 | Box 77 \ 4 scan0144 | |
| The 10,000-mile test of the 2.EX chassis, detailing battery issues and listing parts for standardization. | 9th Apr 1920 | Box 77 \ 4 scan0145 | |
| Radiator failures due to faulty 'D' tubes. | 30th Apr 1920 | Box 77 \ 4 scan0146 | |
| Clarifying the different lengths of radiator tubes ordered for repairs versus complete sets. | 10th May 1920 | Box 77 \ 4 scan0147 | |
| Radiator test results showing water, atmospheric, and footboard temperatures under various conditions. | 13th May 1920 | Box 77 \ 4 scan0148 | |
| Vehicle road test data logs for temperature and speed readings on Ticknall Hill and London Road. | 13th May 1920 | Box 77 \ 4 scan0149 | |
| Data log of radiator temperatures recorded during a test on Ticknall Hill. | 14th May 1920 | Box 77 \ 4 scan0150 | |
| Order of specific tubes (8mm and 9.5mm) for the production of three radiators. | 1st Mar 1921 | Box 77 \ 4 scan0151 | |
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