| Description | Date | Identifier | |
| New scheme for a square shaft fixing for an inner lever on shock dampers. | 30th Jan 1933 | Box 151 \ 2 scan0010 | |
| Results of lever testing, including a cracked case and bearing seizure issues. | 30th Jan 1933 | Box 151 \ 2 scan0011 | |
| Urgent need to improve riding and steering on the 45HP model with more effective, automatically controlled dampers. | 30th Jan 1933 | Box 151 \ 2 scan0012 | |
| Solution for damper shaft distortion when the bolt is tightened. | 31th Jan 1933 | Box 151 \ 2 scan0013 | |
| Technical memorandum detailing design modifications to shock dampers concerning the lever boss and positioning. | 31th Jan 1933 | Box 151 \ 2 scan0014 | |
| Design of a square fixing for shock damper levers. | 2nd Mar 1933 | Box 151 \ 2 scan0015 | |
| Design for a hand-operated valve for varying the damping on the Phantom model. | 4th Mar 1933 | Box 151 \ 2 scan0016 | |
| Request to follow up on a scheme to get a set of shock absorbers made and tested as soon as possible. | 4th Feb 1933 | Box 151 \ 2 scan0017 | |
| Modifications to shock dampers, including the lever shape and spring gland arrangement. | 7th Feb 1933 | Box 151 \ 2 scan0018 | |
| Requirements for automatic shock damper control and relief valves. | 8th Feb 1933 | Box 151 \ 2 scan0019 | |
| Testing of shock absorbers using indicator diagrams, comparing methods with the Delco factory. | 10th Feb 1933 | Box 151 \ 2 scan0020 | |
| Necessity of fitting a pressure gauge for the automatic damper control on various car models. | 13th Feb 1933 | Box 151 \ 2 scan0021 | |
| Request to make 12 experimental shock damper valve springs to drawing F.100914. | 15th Feb 1933 | Box 151 \ 2 scan0022 | |
| Request to produce a shock damper valve chamber with an increased taper on the valve seat. | 20th Feb 1933 | Box 151 \ 2 scan0023 | |
| Production settings of shock dampers. | 23th Jun 1932 | Box 151 \ 2 scan0024 | |
| Testing, criticism, and implementation of controllable shock dampers on various car models. | 24th Feb 1933 | Box 151 \ 2 scan0025 | |
| Modifications to a hand control valve for dampers. | 25th Feb 1933 | Box 151 \ 2 scan0026 | |
| Use of separate outside levers for rear dampers on various car models. | 28th Feb 1933 | Box 151 \ 2 scan0027 | |
| Clarifying the design choice and production cost considerations for rear damper levers. | 6th Mar 1933 | Box 151 \ 2 scan0028 | |
| Deceleration tests on J.III type shock dampers with a governor control unit. | 14th Mar 1933 | Box 151 \ 2 scan0029 | |
| Test report on J.III type shock dampers and bellows control in conjunction with a governor. | 14th Mar 1933 | Box 151 \ 2 scan0030 | |
| Test report detailing pressure and temperature performance of a damper and governor system. | 14th Mar 1933 | Box 151 \ 2 scan0031 | |
| Test report discussing pressure variations and the effectiveness of single versus multiple dampers. | 14th Mar 1933 | Box 151 \ 2 scan0032 | |
| Performance graphs for a J III rear low-pressure damper and pipe line at different temperatures. | 14th Mar 1933 | Box 151 \ 2 scan0033 | |
| Sending blueprints for experimental Gland and Valve springs for the front and rear dampers on Peregrine II, Phantom II, and 20/25 HP chassis. | 14th Mar 1933 | Box 151 \ 2 scan0034 | |
| Request to produce bellows control parts for testing on governor controlled shock dampers. | 17th Mar 1933 | Box 151 \ 2 scan0035 | |
| Recession of the control sylphon, dampers, and potential improvements to valve lift. | 18th Mar 1933 | Box 151 \ 2 scan0036 | |
| Cover note for a report answering a query on the time taken for the damper load to follow the governor. | 20th Mar 1933 | Box 151 \ 2 scan0037 | |
| Proposing a trial for a new type of valve for controllable shock absorbers. | 23th Mar 1933 | Box 151 \ 2 scan0038 | |
| Shock damper valve tests, comparing maximum valve lifts for Standard, Double Area, and Reduced Length Seat valves. | 24th Mar 1933 | Box 151 \ 2 scan0039 | |
| Tests comparing various valve designs and their effects on chatter, pressure, and silence. | 24th Mar 1933 | Box 151 \ 2 scan0040 | |
| Blueprint showing two graphs from valve lift tests comparing standard and double area valves. | 23th Mar 1933 | Box 151 \ 2 scan0041 | |
| Low pressure diagram for a J III rear 90/90 lb double area valve. | 20th Mar 1933 | Box 151 \ 2 scan0042 | |
| Technical memo detailing observations and proposed modifications for J.3. type dampers. | 27th Mar 1933 | Box 151 \ 2 scan0043 | |
| Instructing a trial for a non-return valve with restriction for dampers, concerning the recession of the sylphon. | 27th Mar 1933 | Box 151 \ 2 scan0044 | |
| Specifications and testing procedures for 40/50 Bumper Front Shock Dampers. | 27th Mar 1933 | Box 151 \ 2 scan0045 | |
| Tests of intermediate levers for hydraulic shock absorbers, with findings and recommendations. | 27th Mar 1933 | Box 151 \ 2 scan0046 | |
| Test report on the friction torque of shock damper inter-levers without keys. | 27th Mar 1933 | Box 151 \ 2 scan0047 | |
| Preliminary figures on valve lifts for small and large diameter valves. | 27th Mar 1933 | Box 151 \ 2 scan0048 | |
| Brief summary of development work carried out on the J.III. type hydraulic shock dampers. | 29th Mar 1933 | Box 151 \ 2 scan0049 | |
| Technical report on the development and testing of dampers, discussing mechanical strength and governor control systems. | 29th Mar 1933 | Box 151 \ 2 scan0050 | |
| Requesting a reversion to square type intermediate levers and shafts for J.3 hydraulic dampers. | 29th Mar 1933 | Box 151 \ 2 scan0051 | |
| Notification of replacement parts for shock and control dampers on Phantom II, 20/25 HP, Peregrine II, and Bensport 4 models. | 29th Mar 1933 | Box 151 \ 2 scan0052 | |
| Modifications for shock dampers, specifically the square shaft fixing for intermediate levers. | 30th Mar 1933 | Box 151 \ 2 scan0053 | |
| Adjustable shock dampers, comparing hand and automatic control systems for standardization. | 30th Mar 1933 | Box 151 \ 2 scan0054 | |
| Controllability of the 20/25 model in comparison to the Phantom II model. | 30th Mar 1933 | Box 151 \ 2 scan0055 | |
| Arranging a demonstration of adjustable shock dampers on a Phantom car at Brooklands. | 31th Mar 1933 | Box 151 \ 2 scan0056 | |
| Arranging a meeting at Brooklands to discuss adjustable shock dampers. | 3rd Apr 1933 | Box 151 \ 2 scan0057 | |
| Modification of a valve chamber to prevent oil leaks for the Phantom II and 20/25 HP models, Report 4. | 3rd Apr 1933 | Box 151 \ 2 scan0058 | |
| Design issue with the J.III type shock dampers on the 40/50 chassis. | 5th Apr 1933 | Box 151 \ 2 scan0059 | |
| Performance issues and proposed solutions for hydraulic dampers. | 12th Apr 1933 | Box 151 \ 2 scan0060 | |
| Recession valve tests for JIII type shock dampers. | 11th Apr 1933 | Box 151 \ 2 scan0061 | |
| Deceleration tests conducted with a recession valve in an external pressure inlet. | 6th Mar 1933 | Box 151 \ 2 scan0062 | |
| Test results for recession valve deceleration with governor speed reduction. | 11th Apr 1933 | Box 151 \ 2 scan0063 | |
| Blueprint diagram comparing a bakelite disc valve and a ball valve for external pressure tests. | 11th Apr 1933 | Box 151 \ 2 scan0064 | |
| Performance graphs for a J.III rear component showing the effects of different valve configurations under low pressure. | 11th Apr 1933 | Box 151 \ 2 scan0065 | |
| Series of five performance charts for a J III rear low-pressure system with various inlet valve configurations. | 12th Apr 1933 | Box 151 \ 2 scan0066 | |
| Performance data table comparing a '4 Cam Pump' and a 'Standard Pump' for a Governor Control Shock Damper. | 12th Apr 1933 | Box 151 \ 2 scan0067 | |
| Issues with removing the rear damper on the Phantom model, referencing specific schematics. | 13th Apr 1933 | Box 151 \ 2 scan0068 | |
| Modifications to the shock damper filler plug to prevent thread stripping. | 27th Apr 1933 | Box 151 \ 2 scan0069 | |
| Request to modify four shock damper valve chambers and valves to increase the high pressure load. | 18th May 1933 | Box 151 \ 2 scan0070 | |
| Newly constructed shock absorber rig being offered on loan, with blueprints attached, to aid production. | 3rd Jun 1933 | Box 151 \ 2 scan0071 | |
| Production priorities for carburettors, air silencers, and shock absorber glands, referencing a new breather scheme. | 15th Jun 1933 | Box 151 \ 2 scan0072 | |
| Modifications to J.3 type dampers to prevent oil leakage. | 16th Jun 1933 | Box 151 \ 2 scan0073 | |
| Tests on leaking shock absorber glands on the 18.G.IV model and proposing a new standardized design. | 16th Jun 1933 | Box 151 \ 2 scan0074 | |
| The design and testing of a shock damper gland, referencing a similar design used in France. | 22th Jun 1933 | Box 151 \ 2 scan0075 | |
| Inquiry regarding the mileage and maintenance of shock absorbers, specifically about oil replenishment and leaks. | 23th Jun 1933 | Box 151 \ 2 scan0076 | |
| Request to make a set of 4 flexible gland covers for shock dampers. | 27th Jun 1933 | Box 151 \ 2 scan0077 | |
| Blueprint for a sheet metal gland cover. | 27th Jun 1933 | Box 151 \ 2 scan0078 | |
| Blueprint for a flange for a gland cover. | 27th Jun 1933 | Box 151 \ 2 scan0079 | |
| Specifications for governor controlled shock dampers for the 22-EX car. | 30th Jun 1933 | Box 151 \ 2 scan0080 | |
| Request to convert four existing valve chambers and produce four new valves for shock dampers. | 17th Jul 1933 | Box 151 \ 2 scan0081 | |
| Blueprint showing a modification to a valve, with a larger size and steeper taper. | 20th Jul 1933 | Box 151 \ 2 scan0082 | |
| Request for the production cost of shock damper gland cover F.100883. | 20th Jul 1933 | Box 151 \ 2 scan0083 | |
| Requesting the production of 12 shock damper glands to drawing Hs.1077. | 20th Jul 1933 | Box 151 \ 2 scan0084 | |
| Request to alter 4 existing shock damper valves and valve chambers. | 22th Jul 1933 | Box 151 \ 2 scan0085 | |
| Blueprint of a shock damper valve chamber insert. | 22th Jul 1933 | Box 151 \ 2 scan0086 | |
| Cross-sectional drawing of a valve with its dimensions. | 28th Jul 1933 | Box 151 \ 2 scan0087 | |
| Fitting a release valve to the governor unit to prevent damage to shock damper bellows. | 28th Jul 1933 | Box 151 \ 2 scan0088 | |
| Increasing the pump capacity for the shock damper governor unit. | 31th Jul 1933 | Box 151 \ 2 scan0089 | |
| Request for comparison viscosity figures for a new Bentley shock damper oil against the present oil. | 4th Aug 1933 | Box 151 \ 2 scan0090 | |
| Tabulated guide for setting ball pin loads and valve leaks for Phantom II, 20/25 HP, and Bentley 3 1/2 Litre chassis. | 16th Sep 1933 | Box 151 \ 2 scan0091 | |
| Suggesting design changes for a damper governor control to improve performance and reduce cost. | 25th Sep 1933 | Box 151 \ 2 scan0092 | |
| Trial of independent concentric valves for shock dampers, including potential issues. | 26th Sep 1933 | Box 151 \ 2 scan0093 | |
| Request to produce two sets of a quiet shock absorber valve for trial, as per attached blueprint N.Sch.3838. | 27th Sep 1933 | Box 151 \ 2 scan0094 | |
| Proposal to modify the assembly of the eccentric strap for the damper governor control. | 2nd Oct 1933 | Box 151 \ 2 scan0095 | |
| The discontinuation of producing shock damper glands in small quantities. | 3rd Oct 1933 | Box 151 \ 2 scan0096 | |
| Requesting the production of 9 sets of new valves with cast-iron inserts for governor-controlled dampers. | 4th Oct 1933 | Box 151 \ 2 scan0097 | |
| Blueprint of a new type of valve with two scale drawings. | 4th Oct 1933 | Box 151 \ 2 scan0098 | |
| Testing and implementation of adjustable shock dampers. | 11th Oct 1933 | Box 151 \ 2 scan0099 | |
| Alternative control systems and damper loads for 25 HP and Bentley models. | 11th Oct 1935 | Box 151 \ 2 scan0100 | |
| Test results and production instructions for governor controlled shock dampers. | 12th Oct 1933 | Box 151 \ 2 scan0101 | |
| Trial and implementation of adjustable shock dampers on Phantom, 20/25, and Bentley models. | 13th Oct 1933 | Box 151 \ 2 scan0102 | |
| Request to modify four existing shock damper valve chambers and produce four valves. | 17th Oct 1933 | Box 151 \ 2 scan0103 | |
| Blueprint of a mechanical component cross-section with dimensional annotations. | 16th Oct 1938 | Box 151 \ 2 scan0104 | |
| Blueprint drawing with dimensions for an L.P. Valve. | 6th Oct 1933 | Box 151 \ 2 scan0105 | |
| Dimensioned drawing for a high-pressure valve for assembly Hs 1170. | 17th Oct 1933 | Box 151 \ 2 scan0106 | |
| Drawing of a damping disc for part number Hs. 1172. | 17th Oct 1935 | Box 151 \ 2 scan0107 | |
| The introduction of a new governor-controlled shock damper valve, replacing scheme R.R.Sch.411. | 23th Oct 1933 | Box 151 \ 2 scan0108 | |
| Fixing of a dashpot piston to a damper valve using a taper fit, referencing drawing N. Sch. 3856. | 26th Oct 1933 | Box 151 \ 2 scan0109 | |
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