| Description | Date | Identifier | |
| Test results on the composition of discs used in Hartford Shock Absorbers. | 24th Oct 1922 | Box 51 \ 4 Scan079 | |
| The testing of T.B. Andre & Co. shock absorbers on the 40/50 HP chassis. | 1st Nov 1922 | Box 51 \ 4 Scan080 | |
| Return of Hartford Duplex Shock absorbers and requesting a different design. | 10th Nov 1922 | Box 51 \ 4 Scan081 | |
| Forwarding a communication from Messrs. Andre about the development of new progressive and double-action Hartford Shock Absorbers. | 14th Mar 1923 | Box 51 \ 4 Scan082 | |
| Improving 20 HP shock absorbers to a single-stage setting and the performance of Hartford shock absorbers on the 40/50 HP model. | 14th Jun 1923 | Box 51 \ 4 Scan083 | |
| Spring changes and the use of Hartford Shock Absorbers to address axle bouncing complaints. | 28th Sep 1923 | Box 51 \ 4 Scan084 | |
| Letter from coachbuilder Barker & Co regarding customer complaints about ride comfort and requesting parts. | 18th Sep 1923 | Box 51 \ 4 Scan085 | |
| Letter discussing leaf spring specifications for Chassis 49-PE and 1893 for Lady Vincent Meredith, considering the vehicle's use in Canada. | 19th Sep 1923 | Box 51 \ 4 Scan086 | |
| Response to a query regarding spring specifications, shock absorber fittings for chassis 49-PE, and spring requirements for chassis 1893. | 20th Sep 1923 | Box 51 \ 4 Scan087 | |
| Customer complaint from Lady Vincent Meredith regarding the fitting of Hartford Shock Absorbers and leaf springs on chassis 49-PE. | 21th Sep 1923 | Box 51 \ 4 Scan088 | |
| Clarifying the policy on fitting shock-absorbers to thick leaf springs following customer complaints. | 26th Sep 1923 | Box 51 \ 4 Scan089 | |
| The condition of Hartford Shock Absorbers after a 10,000-mile trial on chassis No. 12-EM. | 31th Jan 1924 | Box 51 \ 4 Scan090 | |
| Letter from T.B. Andre & Co. Ltd. regarding Hartford Shock Absorbers from Chassis No. 12-EM after a 10,000-mile trial. | 23th Jan 1924 | Box 51 \ 4 Scan091 | |
| Pair of Type 103 Hartford shock absorbers returned after a 10,000 miles trial on chassis 12-EM. | 23th Jan 1924 | Box 51 \ 4 Scan092 | |
| Hartford shock absorbers and riding comfort issues on trials car chassis 12-EM. | 1st Feb 1924 | Box 51 \ 4 Scan093 | |
| Query regarding the replacement of broken Hartford Shock Absorbers with a Duplex type for chassis 86-LK. | 28th May 1924 | Box 51 \ 4 Scan094 | |
| Adjustment issues with Hartford shock absorbers due to rusting, proposing a new hexagon-headed bolt. | 28th May 1924 | Box 51 \ 4 Scan095 | |
| Broken shock absorber on chassis 86-LK, attributing the failure to overtightening. | 29th May 1924 | Box 51 \ 4 Scan096 | |
| Issues with Hartford shock absorbers, including sheared locking pins and incorrect supplied parts. | 14th Jun 1924 | Box 51 \ 4 Scan097 | |
| Quality issues and requirements for supplied shock absorbers and their fittings. | 14th Jun 1924 | Box 51 \ 4 Scan098 | |
| Clarifying the use of a standard Type 103 shock absorber over a requested 'Duplex' model. | 18th Jun 1924 | Box 51 \ 4 Scan099 | |
| Complaints and design improvements for Hartford Shock Absorbers. | 20th Jun 1924 | Box 51 \ 4 Scan100 | |
| Letter from T.B. Andre & Co. Ltd. concerning defects and improvements to Hartford Shock Absorbers. | 18th Jun 1924 | Box 51 \ 4 Scan101 | |
| Letter concerning the supply and rectification of shock absorber springs. | 24th Jun 1924 | Box 51 \ 4 Scan102 | |
| Complaints and proposed modifications to Hartford Shock Absorbers, specifically regarding the centre adjusting bolt and spring plates. | 24th Jun 1924 | Box 51 \ 4 Scan103 | |
| Modified sample of a Hartford Shock Absorber with a new adjusting bolt design. | 26th Jun 1924 | Box 51 \ 4 Scan104 | |
| Letter from T.B. Andre & Co. Ltd. about Hartford Shock Absorbers and the delivery of 60 pairs. | 27th Jun 1924 | Box 51 \ 4 Scan105 | |
| Letter from T.B. Andre & Co. Ltd. regarding Hartford Shock Absorbers, springs, and a new type of centre adjusting bolt. | 26th Jun 1924 | Box 51 \ 4 Scan106 | |
| The replacement of Hartford Shock Absorbers in stock with a new type from T.B. Andre & Co. | 7th Jul 1924 | Box 51 \ 4 Scan107 | |
| Letter from supplier T.B. Andre & Co. Ltd. regarding the supply and specification of Hartford shock absorbers. | 3rd Jul 1924 | Box 51 \ 4 Scan108 | |
| Customer's request to replace standard Hartford shock absorbers with a double type. | 15th Jul 1924 | Box 51 \ 4 Scan109 | |
| The testing and potential modification of Hartford Shock Absorbers for the 40/50 HP chassis. | 14th Aug 1924 | Box 51 \ 4 Scan110 | |
| New type of universal joint for shock absorbers from Hartford. | 5th Feb 1926 | Box 51 \ 4 Scan111 | |
| Private and confidential letter regarding the introduction of a new elastic Universal Joint for testing. | 27th Feb 1926 | Box 51 \ 4 Scan112 | |
| Requesting an opinion on a sample of Hartford Shock Absorbers for potential production. | 27th Feb 1926 | Box 51 \ 4 Scan113 | |
| Accelerating the adoption and testing of Hartford Hydraulic Shock-Absorbers. | 2nd Mar 1926 | Box 51 \ 4 Scan114 | |
| Recommendation to grease leathers for friction type shock dampers upon erection, instead of soaking them in oil. | 19th Apr 1926 | Box 51 \ 4 Scan115 | |
| Tests confirming the relative merits of hydraulic and friction shock dampers for low-speed riding comfort. | 28th Apr 1926 | Box 51 \ 4 Scan116 | |
| Finding the average spring deflection using a Chronograph for better riding results. | 4th May 1926 | Box 51 \ 4 Scan117 | |
| Comparison of the limited travel of hydraulic shock dampers versus Hartford shock absorbers, highlighting the risk of failure at speed. | 4th May 1926 | Box 51 \ 4 Scan118 | |
| Car controllability issues related to spring flexibility and damper oil viscosity. | 12th Aug 1926 | Box 51 \ 4 Scan119 | |
| Objections to fitting a double Hartford shock absorber to chassis 117-MC for Mr. Summers. | 12th Aug 1926 | Box 51 \ 4 Scan120 | |
| Query regarding the failure of a near-side rear Hartford shock absorber after crossing a level crossing in France. | 29th Sep 1926 | Box 51 \ 4 Scan121 | |
| Front shock absorber settings and resulting harshness on a C.M.S. 20 HP Saloon, registration GYK-10. | 1st Dec 1926 | Box 51 \ 4 Scan122 | |
| Mechanical friction type dampers on a 20 HP Saloon vehicle, GYK-10. | 12th Dec 1926 | Box 51 \ 4 Scan123 | |
| Need for double shock absorbers on 40/50 & 20 HP cars for high-speed use. | 13th Dec 1926 | Box 51 \ 4 Scan124 | |
| Hartford shock absorbers with rubber silent block joints. | 1st Feb 1927 | Box 51 \ 4 Scan125 | |
| Mr. Royce's suggestion to fit both standard hydraulic dampers and Hartfords on fast cars. | 1st Feb 1927 | Box 51 \ 4 Scan126 | |
| Proposal to fit Hartford shock dampers to the front axle of the 10-EX model. | 25th Feb 1927 | Box 51 \ 4 Scan127 | |
| Proposed arrangement of combined Hartford and hydraulic dampers on the front axle for high-speed cars. | 1st Mar 1927 | Box 51 \ 4 Scan128 | |
| Request for a scheme to fit Hartford shock absorbers to the rear axle of chassis EAC.V11. | 7th Mar 1927 | Box 51 \ 4 Scan129 | |
| Creation of customer instructions for shock damper adjustment and clutch maintenance. | 11th Mar 1927 | Box 51 \ 4 Scan130 | |
| Failure of hydraulic shock dampers under testing, proposing a redesign and an interim solution. | 11th Apr 1927 | Box 51 \ 4 Scan131 | |
| Suitability of different shock dampers for various driving conditions and chassis. | 29th Apr 1927 | Box 51 \ 4 Scan132 | |
| Sketch showing the maximum possible rebound of a Hartford hydraulic shock absorber. | 8th May 1926 | Box 51 \ 4 Scan133 | |
| Requesting the testing of shock absorbers and spare wheel carriers on a bump test. | 1st Jun 1927 | Box 51 \ 4 Scan134 | |
| Suspension issues, specifically the 10-EX car hitting its buffers and the proposed solution of developing new hydraulic dampers. | 15th Nov 1927 | Box 51 \ 4 Scan135 | |
| The effectiveness of hydraulic shock dampers, oil frothing tests, and new Sports Phantom bodies. | 13th Jan 1928 | Box 51 \ 4 Scan136 | |
| Page 2 of a memo recommending the purchase of a car based on its design advancements. | 5th Apr 1928 | Box 51 \ 4 Scan137 | |
| Instructing to additionally fit Hartfords to the rear of car 12-EX. | 5th Apr 1928 | Box 51 \ 4 Scan138 | |
| Explaining the addition of friction shock absorbers to sports cars for high-speed performance. | 27th Apr 1928 | Box 51 \ 4 Scan139 | |
| Arranging to have continental type springs and optional Hartford shock absorbers fitted to a car. | 16th Jun 1928 | Box 51 \ 4 Scan140 | |
| Repusseau's adjustable shock absorbers and Hispano's interest in electric brakes. | 3rd Jul 1930 | Box 51 \ 4 Scan141 | |
| Instructions for fitting Hartford Shock Dampers to the rear axle of a Phantom II Chassis 26-EX. | 5th Jul 1930 | Box 51 \ 4 Scan142 | |
| Inquiry about the method and quotation for adjustable shock absorbers for the 40/50 car. | 25th Jul 1930 | Box 51 \ 4 Scan143 | |
| Clarifying the manufacturer and availability of an adjusting device for Hartford Shock Absorbers. | 14th Aug 1930 | Box 51 \ 4 Scan144 | |
| Instructions and parts list for fitting auxiliary Hartford shock dampers to a Phantom II rear axle. | 21th Jun 1930 | Box 51 \ 4 Scan145 | |
| List of parts and instructions for chassis modifications, page 2. | 21th Jun 1930 | Box 51 \ 4 Scan146 | |
| Parts list for fitting auxiliary Hartford shock dampers to the front and rear axles of a Phantom II chassis. | 7th Oct 1930 | Box 51 \ 4 Scan147 | |
| Parts list detailing components, quantities, and alternatives for various vehicle sections. | 7th Oct 1930 | Box 51 \ 4 Scan148 | |
| Parts for an anchor bracket, a front axle replacement, and modifications related to 'Afa' dampers. | 7th Oct 1930 | Box 51 \ 4 Scan149 | |
| Instructions for fitting auxiliary Hartford shock dampers to the front and rear axles of a Phantom II chassis. | 9th Oct 1930 | Box 51 \ 4 Scan150 | |
| Inquiry about driver-controlled Hartford shock absorbers for car 118-MC. | 26th Mar 1931 | Box 51 \ 4 Scan151 | |
| Use, adjustment, and cost of Andre Telecontrol and Hartford friction shock absorbers. | 30th Mar 1931 | Box 51 \ 4 Scan152 | |
| Requesting enquiries to be made to various firms for the supply of a starter motor for the Goshawk II engine. | 7th Apr 1921 | Box 51 \ 5 Scan001 | |
| Adapting third-party starter motors and dynamos for the Goshawk II engine. | 6th Apr 1921 | Box 51 \ 5 Scan002 | |
| Confirming arrangements to investigate adapting other makers' dynamos and motors for the Goshawk II chassis. | 11th Apr 1921 | Box 51 \ 5 Scan003 | |
| Internal memorandum discussing the trial of a C.A.V. motor on a 40/50 chassis and related correspondence. | 11th Apr 1921 | Box 51 \ 5 Scan004 | |
| Test data for starting a Goshawk engine with a standard starter motor under cold and hot conditions. | 15th Apr 1921 | Box 51 \ 5 Scan005 | |
| Table of proposed motors for the Goshawk project, detailing makers, types, diameters, and weights. | 22th Apr 1921 | Box 51 \ 5 Scan006 | |
| Ordering and modification requirements for Goshawk II starter motors supplied by C.A.V., Smith, and Rotax. | 5th May 1921 | Box 51 \ 5 Scan007 | |
| Instructions regarding motor assembly, including component supply, bearing clamping, drawing tolerances, and direction of rotation. | 1st May 1921 | Box 51 \ 5 Scan008 | |
| Progress report on alternative motors and dynamos for the Goshawk II from various suppliers. | 24th May 1921 | Box 51 \ 5 Scan009 | |
| Suitability of various third-party starter motors for the Goshawk II engine. | 2nd Jun 1921 | Box 51 \ 5 Scan010 | |
| Correspondence and ordering of starter motors and dynamos for the 'Goshawk II' project. | 6th Jun 1921 | Box 51 \ 5 Scan011 | |
| Suitability of a Rotax starter motor for the Goshawk II engine and considering alternatives from other firms. | 7th Jun 1931 | Box 51 \ 5 Scan012 | |
| Proposition to have Messrs. Smith lengthen their type 5S motor. | 7th Jun 1921 | Box 51 \ 5 Scan013 | |
| Electrical systems for the Goshawk II, including correspondence with Lucas Electrical Co. Ltd. | 7th Jun 1921 | Box 51 \ 5 Scan014 | |
| Proposal from Lucas Electrical Co. Ltd. to supply dynamos and motors for the Goshawk II. | 7th Jun 1921 | Box 51 \ 5 Scan015 | |
| The design of dynamos and motors for the 'Goshawk I' and 'Goshawk II' 40 HP chassis. | 14th Jun 1919 | Box 51 \ 5 Scan016 | |
| Requesting particulars for the Goshawk II dynamo and motor, conveying Mr. Royce's concerns about potential delays. | 23th Jun 1921 | Box 51 \ 5 Scan017 | |
| Request from Mr. Royce for drawings of 'Goshawk II' Dynamo & Motors from other manufacturers. | 7th Jul 1921 | Box 51 \ 5 Scan018 | |
| Conveying Mr. Royce's urgent request for particulars on the 'Goshawk II' dynamo and motor, and his concerns about design delays. | 23th Jun 1921 | Box 51 \ 5 Scan019 | |
| The status of outline drawings and orders for 'Goshawk II' dynamos and motors from outside firms. | 7th Jul 1921 | Box 51 \ 5 Scan020 | |
| The ordering and modification of sample starter motors for the 'Goshawk' II engine from various external firms. | 8th Jul 1921 | Box 51 \ 5 Scan021 | |
| Listing drawings for securing screws, washers, studs, and bearing brackets for Lucas and Rotax models. | 1st Jul 1921 | Box 51 \ 5 Scan022 | |
| Suitability of C.A.V., Smith, and Rotax starter motors for the 'Goshawk II' engine. | 9th Jul 1921 | Box 51 \ 5 Scan023 | |
| Report regarding the procurement of a suitable motor from suppliers Lucas and Brolt. | 9th Jul 1921 | Box 51 \ 5 Scan024 | |
| Dynamos and motors for the 'Goshawk II' engine. | 19th Aug 1921 | Box 51 \ 5 Scan025 | |
| Status report on the supply of dynamos and starter motors for the 'Goshawk II' from various manufacturers. | 19th Aug 1921 | Box 51 \ 5 Scan026 | |
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