| Description | Date | Identifier | |
| Standardisation sheet for 'ENOTS' lubricators. | 30th Sep 1921 | Box 51 \ 3 Scan050 | |
| Results of testing Benton & Stone lubricators and comparing them to the existing R.R. standard. | 4th Oct 1921 | Box 51 \ 3 Scan051 | |
| Extract discussing ongoing problems with oil leaking from universal joints and a proposed solution to use grease lubrication. | 10th Oct 1921 | Box 51 \ 3 Scan052 | |
| The financial loss from scrapping stock due to the standardisation of chassis parts, specifically 'ENOTS' Lubricators. | 12th Oct 1921 | Box 51 \ 3 Scan053 | |
| Requesting design updates for valve rockers, lubricators, plugs, radiator shutters, and wire wheels. | 26th Oct 1921 | Box 51 \ 3 Scan054 | |
| Recommendation to design an alternative wire wheel option to the Michelin Disc Wheel. | 26th Oct 1921 | Box 51 \ 3 Scan055 | |
| Unsatisfactory performance of oilless bushes on front springs and recommending a switch to bronze bushes. | 28th Oct 1921 | Box 51 \ 3 Scan056 | |
| Process and urgency for adopting standardised parts, with examples of the Watford Magneto and Enots Lubricators. | 17th Nov 1921 | Box 51 \ 3 Scan057 | |
| Querying a decision on the standardisation sheet for Enots Lubricators, highlighting the scrap value of £730. | 18th Nov 1921 | Box 51 \ 3 Scan058 | |
| The accessibility of the Enots Lubricator for the rear springs and fittings. | 18th Nov 1921 | Box 51 \ 3 Scan059 | |
| The performance of Mercury and Sphinx ignition plugs and various lubrication issues on the 6.EX car. | 18th Oct 1921 | Box 51 \ 3 Scan060 | |
| Lubrication difficulties with spring shackles, shock dampers, and a water leak issue on an experimental car. | 18th Oct 1921 | Box 51 \ 3 Scan061 | |
| Questioning the omission of a £730 scrap value on a standardisation sheet for 'Enots' Lubricators. | 19th Oct 1921 | Box 51 \ 3 Scan062 | |
| Cover note for a standardisation sheet regarding an experiment on 'Enots' lubricators. | 24th Nov 1921 | Box 51 \ 3 Scan063 | |
| Standardisation proposal to replace R-R grease caps with 'Knots' lubricators to improve lubrication efficiency. | 19th Sep 1921 | Box 51 \ 3 Scan064 | |
| From Madrid to Derby requesting an opinion on Enot's Grease Guns. | 30th Nov 1921 | Box 51 \ 3 Scan065 | |
| Recommending 'ENOTS' lubricators and grease guns for the 40/50 HP chassis. | 5th Dec 1921 | Box 51 \ 3 Scan066 | |
| From Madrid to Derby regarding the order of one complete grease gun for Enot's Lubricators. | 14th Dec 1921 | Box 51 \ 3 Scan067 | |
| The design and lubrication of the Goshawk 11 shock absorber connecting rod. | 1st Apr 1922 | Box 51 \ 3 Scan068 | |
| Difficulty for amateur drivers to locate lubricators and the plan to write instructions for oiling parts. | 26th Jun 1922 | Box 51 \ 3 Scan069 | |
| Issues with the fitting and use of Enot's Lubricators on a demonstration car. | 27th Apr 1922 | Box 51 \ 3 Scan070 | |
| Recommendation on using thick oil instead of thin grease for 'Enots' lubricators. | 27th Jun 1922 | Box 51 \ 3 Scan071 | |
| Internal memorandum about returning a sample of a cork disc seated petrol cock from Benton & Stone for the Goshawk chassis. | 29th Jun 1922 | Box 51 \ 3 Scan072 | |
| Letter to Benton & Stone Ltd. regarding a switch from grease to oil for lubrication and potential modifications to their grease gun. | 26th Sep 1922 | Box 51 \ 3 Scan073 | |
| Letter from Benton & Stone Ltd. discussing proposed experiments with grease guns and Saal Oil Guns for lubricating universal joints. | 27th Sep 1922 | Box 51 \ 3 Scan074 | |
| Correcting the origin of Enots Lubricators and comparing them to the 'Ex-a-gun' product. | 20th Nov 1922 | Box 51 \ 3 Scan075 | |
| Instruction to replace three Benton & Stones Flexible Connections based on Mr. Hives' verbal orders. | 27th Feb 1923 | Box 51 \ 3 Scan076 | |
| Forwarding a letter and samples from Benton & Stone Ltd. regarding a special Automatic Feed Connector Nipple. | 13th Mar 1923 | Box 51 \ 3 Scan077 | |
| Letter from Benton & Stone Ltd. regarding the supply of a special automatic feed connector nipple for testing. | 8th Mar 1923 | Box 51 \ 3 Scan078 | |
| Potential adoption of standard nipples from supplier Messrs. Benton & Stone for cost savings. | 13th Mar 1923 | Box 51 \ 3 Scan079 | |
| New design for a grease nipple for universal joints from Benton & Stone Ltd. | 13th Mar 1923 | Box 51 \ 3 Scan080 | |
| Internal memorandum regarding the correct type of oil to be used in Benton & Stone guns, highlighting a contradiction with the 20 HP Instruction Book. | 14th Mar 1928 | Box 51 \ 3 Scan081 | |
| Requesting a report on a right-angle connection for a Benton & Stones' grease gun. | 28th Mar 1923 | Box 51 \ 3 Scan082 | |
| Deciding to insist on previously supplied hexagon size and nickel silver finish for Enots Lubricators from Messrs Benton & Stone. | 27th Mar 1923 | Box 51 \ 3 Scan083 | |
| Querying the optimal placement of Enots Lubricators on Goshawk 11 steering joints. | 27th Apr 1923 | Box 51 \ 3 Scan084 | |
| Adoption of an improved Enots oil gun with a right-angle bend as the new standard model. | 30th Apr 1923 | Box 51 \ 3 Scan085 | |
| Replacement of 4 Flexible Connections and a request to update records. | 30th Apr 1923 | Box 51 \ 3 Scan086 | |
| Adoption of a two-stage Enots grease gun for lubricating vehicle components. | 8th May 1924 | Box 51 \ 3 Scan087 | |
| Use of floating bushes for steering pivots and the benefits of using grease over oil. | 14th May 1924 | Box 51 \ 3 Scan088 | |
| Order for six high-pressure 'Enots Super-grease Guns'. | 19th May 1924 | Box 51 \ 3 Scan089 | |
| Recommending the adoption of the Enots Super-gun and a trial comparing grease versus oil lubrication. | 19th May 1924 | Box 51 \ 3 Scan090 | |
| Problem of oil leakage from 20 HP universal joints and potential solutions. | 1st Sep 1924 | Box 51 \ 3 Scan091 | |
| Conclusion of a report discussing the performance and oil retention of a mechanical joint, with proposed modifications. | 19th Sep 1924 | Box 51 \ 3 Scan092 | |
| Communication from Benton & Stone about a grease gun adaptor fitment. | 19th Sep 1924 | Box 51 \ 3 Scan093 | |
| Copy of a letter from Benton & Stone Ltd. enclosing copies of two other letters. | 15th Sep 1924 | Box 51 \ 3 Scan094 | |
| Letter suggesting a grease gun adaptor to aid in the lubrication of valve stems. | 3rd Sep 1924 | Box 51 \ 3 Scan095 | |
| Copy of a letter from a customer regarding sticking valve stems and carburetter explosions on a 40-50 model. | 5th Sep 1924 | Box 51 \ 3 Scan096 | |
| Failures with Enots Grease Guns and correspondence with the supplier, Benton & Stone Ltd. | 29th Sep 1924 | Box 51 \ 3 Scan097 | |
| Letter from Benton & Stone Ltd. responding to reported failures in grease guns. | 23th Sep 1924 | Box 51 \ 3 Scan098 | |
| Secret memo from DA to HS discussing potential causes for a weak bracket and worn bushes on a front brake equaliser. | 10th Feb 1924 | Box 51 \ 3 Scan099 | |
| Unsuitability of a new Enots grease injector for the current chassis. | 31th Dec 1924 | Box 51 \ 3 Scan100 | |
| Modification of front road spring lubricators for the 'India' model using elbow fittings. | 25th Jun 1925 | Box 51 \ 3 Scan101 | |
| The experimental testing of elbow fittings for lubricators on front road springs for India. | 3rd Jul 1925 | Box 51 \ 3 Scan102 | |
| Recommending the adoption of the Enots super grease gun with a high pressure attachment. | 1st Sep 1925 | Box 51 \ 3 Scan103 | |
| Ordering 'Enots' super grease guns and clarifying the use of grease instead of oil. | 4th Sep 1925 | Box 51 \ 3 Scan104 | |
| Modifications to the vacuum tank design for a new dashboard. | 8th Jan 1926 | Box 51 \ 3 Scan105 | |
| Views of several individuals and asking for a decision on who should implement a suggestion. | 26th Nov 1926 | Box 51 \ 3 Scan106 | |
| Instructions on the careful use of the Enots grease gun on chassis with blind-ended bearings to prevent damage. | 25th Nov 1926 | Box 51 \ 3 Scan107 | |
| Quotation letter from Benton & Stone Ltd. regarding an 'Enots' Force Feed Oil Can. | 28th Feb 1927 | Box 51 \ 3 Scan108 | |
| Letter to Messrs. Benton & Stone Ltd. requesting a sample oil can and a price quote for bulk orders. | 25th Feb 1927 | Box 51 \ 3 Scan109 | |
| Request for particulars on an Enots High Pressure Oil Can for comparison against the standard Lucas version. | 24th Feb 1927 | Box 51 \ 3 Scan110 | |
| Advantages and disadvantages of different chassis lubrication systems. | 29th Apr 1927 | Box 51 \ 3 Scan111 | |
| Letter to Benton & Stone Ltd. regarding the 'Bowen' lubrication scheme and fittings. | 2nd May 1927 | Box 51 \ 3 Scan112 | |
| Modification of a standard Enots pump for a centralised chassis lubrication system. | 11th Jun 1927 | Box 51 \ 3 Scan113 | |
| Internal memorandum regarding the despatch of a flexible tube for examination. | 18th Jun 1927 | Box 51 \ 3 Scan114 | |
| The ENOTS 'One Shot' chassis lubrication system and an attached letter from Messrs. Benton & Stone. | 18th Jun 1927 | Box 51 \ 3 Scan115 | |
| Letter from Benton & Stone regarding the 'One Shot' chassis lubrication system and flexible tubing. | 17th Jun 1927 | Box 51 \ 3 Scan116 | |
| Correspondence with Messrs. Benton & Stones regarding a 'One-shot' lubrication scheme model and flexible piping. | 16th Jun 1927 | Box 51 \ 3 Scan117 | |
| Enots 'One Shot' chassis lubrication and a request for a high-pressure tube specimen. | 22th Jun 1927 | Box 51 \ 3 Scan118 | |
| Letter requesting a sample of high-pressure tubing for a 'One-shot' oiling system. | 23th Jun 1927 | Box 51 \ 3 Scan119 | |
| Letter from Benton & Stone Ltd. confirming the dispatch of a 30' High Pressure Flex part. | 26th Jun 1927 | Box 51 \ 3 Scan120 | |
| Letter from Benton & Stone Ltd. regarding the loan of a 'One Shot' Lubrication model for the Olympia Show. | 6th Oct 1927 | Box 51 \ 3 Scan121 | |
| Modifications to the Phantom centralised chassis lubrication system due to a filter choking issue. | 21th Jul 1928 | Box 51 \ 3 Scan122 | |
| Return of the 'Enots' model of the Bowen chassis lubrication scheme for demonstration at the Olympia Show. | 7th Oct 1927 | Box 51 \ 3 Scan123 | |
| Confirming the dispatch of an xp model Enots lubrication system to Benton & Stone Ltd. | 1st Oct 1927 | Box 51 \ 3 Scan124 | |
| Lubrication method for the ball end of the 'SS' Centralised Chassis Pendulum Lever. | 10th Oct 1928 | Box 51 \ 3 Scan125 | |
| Request to implement a vital part (N.Sch. 2756) for the front axle lubricating system on a model car destined for France. | 24th Jan 1929 | Box 51 \ 3 Scan126 | |
| Instruction to fit modified ball ends and an Enots Oiler to vehicle 12-EX, replacing the existing Bijur pipe. | 28th Jan 1929 | Box 51 \ 3 Scan127 | |
| Letter to supplier Benton & Stone, Ltd. regarding a potential alteration to the Enots Gun for a new chassis lubrication system. | 16th Mar 1929 | Box 51 \ 3 Scan128 | |
| The supply of an Enots Oil Gun for the 3-point central lubrication system. | 1st Apr 1929 | Box 51 \ 3 Scan129 | |
| Letter to Benton & Stone Ltd. confirming the satisfactory testing of a supplied grease gun and flexible connections. | 4th Apr 1929 | Box 51 \ 3 Scan130 | |
| Invoice for a grease gun and a request for instructions to issue a covering order. | 9th Apr 1929 | Box 51 \ 3 Scan131 | |
| Letter from supplier Benton & Stone Ltd. regarding flexible tubing for shock absorbers, discussing material options and requesting a drawing of a banjo fitting. | 10th Apr 1929 | Box 51 \ 3 Scan132 | |
| Confirming the return of an Enots grease gun to Messrs. Benton & Stone to be used as a production model. | 10th Apr 1929 | Box 51 \ 3 Scan133 | |
| The 'Enots Oil Gun' type I.S. 3133 for chassis lubrication. | 18th Apr 1929 | Box 51 \ 3 Scan134 | |
| Modification to the universal joints on 20 HP & 40/50 HP models for lubrication. | 25th Apr 1929 | Box 51 \ 3 Scan135 | |
| Design of Enots nipples for axle lubrication and issues with non-return ball valves. | 22th May 1929 | Box 51 \ 3 Scan136 | |
| List of components for a filter housing and valve assembly, and an explanation of its function. | 24th May 1929 | Box 51 \ 3 Scan137 | |
| Letter from Benton & Stone Ltd. discussing a revised drawing and model for a non-return valve, and a separate 'Enots' fitting. | 24th May 1929 | Box 51 \ 3 Scan138 | |
| Design of special Enots nipples with filters and non-return valves for axle lubrication. | 25th May 1929 | Box 51 \ 3 Scan139 | |
| Letter from Benton & Stone Ltd. regarding an outline drawing of a back axle fitting. | 27th May 1929 | Box 51 \ 3 Scan140 | |
| Proposed arrangement of an 'Enots' fitting for Bijur lubrication. | 27th May 1929 | Box 51 \ 3 Scan141 | |
| Letter from Benton & Stone Ltd. regarding a sample set of fittings and drawings for a back axle assembly. | 31th May 1929 | Box 51 \ 3 Scan142 | |
| Enots lubricator fittings for the front and rear axles of the 20 HP chassis. | 4th Jun 1929 | Box 51 \ 3 Scan143 | |
| Blueprint for a combined filter and non-return valve for axle gear chassis lubrication. | 8th Jun 1929 | Box 51 \ 3 Scan144 | |
| Blueprint of an oil filter and non-return valve type lubricator for a 20HP front axle. | 10th Jun 1929 | Box 51 \ 3 Scan145 | |
| Blueprint of an oil filter and non-return valve type lubricator for a 20HP rear axle. | 10th Jun 1929 | Box 51 \ 3 Scan146 | |
| Letter from Benton & Stone enclosing a sample and explaining the design of an 'Enots' Lubricator for a Mechanics Joint. | 7th Jun 1929 | Box 51 \ 3 Scan147 | |
| To hold up work on parts for the front and rear axles of the 20 HP chassis. | 8th Jun 1929 | Box 51 \ 3 Scan148 | |
| Letter to Benton & Stone discussing test results and design feedback for an Enots Lubricator valve and filter housings. | 10th Jun 1929 | Box 51 \ 3 Scan149 | |
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