| Description | Date | Identifier | |
| Potential use and applications of Simmonds Elastic Stop Nuts. | 11th Jan 1938 | Box 95 \ 2 scan0240 | |
| Introducing modified dampers for the Phantom III suspension and the cost of scrapping material. | 11th Jan 1938 | Box 95 \ 2 scan0241 | |
| The lubrication of the front suspension mechanism for the Phantom III Chassis. | 11th Jan 1938 | Box 95 \ 2 scan0242 | |
| Suggestion to improve oil supply to lower bearings and the yoke by providing a separate oil feed. | 11th Jan 1938 | Box 95 \ 2 scan0243 | |
| Issue with dirt getting into front suspension lower yoke needle bearings and requesting a new seal design. | 13th Jan 1938 | Box 95 \ 2 scan0244 | |
| New blueprints for front suspension needle roller bearing components for the Phantom III model. | 14th Jan 1938 | Box 95 \ 2 scan0245 | |
| Examination report on front suspension needle bearings, identifying insufficient weather protection as the cause of failures. | 15th Jan 1938 | Box 95 \ 2 scan0246 | |
| Replacement of 'Perfect Oil Seals' with Duprene glands on front suspension needle bearings due to customer complaints. | 17th Jan 1938 | Box 95 \ 2 scan0247 | |
| The lubrication of the Phantom III front suspension mechanism. | 20th Jan 1938 | Box 95 \ 2 scan0248 | |
| Page two of a report detailing oil pressure tests on suspension bearings and a yoke. | 24th Jan 1938 | Box 95 \ 2 scan0249 | |
| Enquiry into Phantom III front suspension lubrication issues in Paris and Cricklewood. | 24th Jan 1938 | Box 95 \ 2 scan0250 | |
| Letter to The British Tyre & Rubber Co. Ltd. regarding a mould for producing a duprene rubber part. | 26th Jan 1938 | Box 95 \ 2 scan0251 | |
| Letter confirming receipt of a mould for producing rubber washers EXS.365 and advising on sample despatch. | 27th Jan 1938 | Box 95 \ 2 scan0252 | |
| Blueprints for an Ex.S.457 Plug for Gland Assembly for the Phantom III float suspension. | 28th Jan 1938 | Box 95 \ 2 scan0253 | |
| Phantom III, Section 7042, Lubrication and protection of lower yoke piece bearing. | 14th Feb 1938 | Box 95 \ 2 scan0254 | |
| Standardisation of Wraith type front suspension levers for the Phantom III. | 13th Sep 1937 | Box 95 \ 2 scan0255 | |
| Cost estimation and production plan for the Warwith front suspension parts on the Phantom III 'E' series chassis. | 13th Sep 1938 | Box 95 \ 2 scan0256 | |
| Design schemes for the Phantom III rear springs, including new shackles, anchorages, and springs. | 2nd Apr 1938 | Box 95 \ 2 scan0257 | |
| Request to examine sample nickel steel studs for acid damage after one broke. | 28th Apr 1938 | Box 95 \ 2 scan0258 | |
| Laboratory report on the cause of breakage in Nickel Steel Studs due to excessive hardness from overheating during descaling. | 9th May 1938 | Box 95 \ 2 scan0259 | |
| The examination of a Phantom III front suspension coil spring after a 100-hour test. | 8th Jun 1938 | Box 95 \ 2 scan0260 | |
| Laboratory report on the decarburised surface of a Phantom III front suspension coil spring. | 2nd Jun 1938 | Box 95 \ 2 scan0261 | |
| Inclusion of threaded shackles for rear springs on the Phantom III 'E' Series. | 6th Oct 1938 | Box 95 \ 2 scan0262 | |
| Scheme for modifying the shackle pin for the Phantom III rear springs. | 28th Oct 1938 | Box 95 \ 2 scan0263 | |
| Modification of the Spectre front suspension yoke piece. | 10th Apr 1934 | Box 95 \ 3 scan0001 | |
| Dispatch of drawings for the Spectre front suspension, hub, steering pivots, and brakes. | 29th Mar 1934 | Box 95 \ 3 scan0002 | |
| Modifications for the 'Spectre' model's front suspension, adopting an inclined unequal link system. | 30th Apr 1934 | Box 95 \ 3 scan0003 | |
| The inclined unequal link front suspension system for the Spectre model. | 30th Apr 1934 | Box 95 \ 3 scan0004 | |
| Modifications to the Spectre front suspension system. | 11th May 1934 | Box 95 \ 3 scan0005 | |
| Scheme for the Spectre front suspension, referencing a Cadillac type. | 11th May 1934 | Box 95 \ 3 scan0006 | |
| Poundage, rating and specifications for Spectre rear road springs, comparing them to the Phantom model. | 18th May 1934 | Box 95 \ 3 scan0007 | |
| Drawing for the rear elevation of the Spectre Independent Front Wheel Suspension, showing the side steering lever. | 24th May 1934 | Box 95 \ 3 scan0008 | |
| Specifications for Spectre Rear Springs, including initial deflection and weight. | 24th May 1934 | Box 95 \ 3 scan0009 | |
| Modification to the flange and distance pieces for the Spectre front suspension. | 30th May 1934 | Box 95 \ 3 scan0010 | |
| Scheme N. Sch.4066, concerning the front view of the Spectre front suspension steering lever and cross member. | 30th May 1934 | Box 95 \ 3 scan0011 | |
| Addition to the Spectre front suspension, shewing filler and drain plugs on the spring cylinder. | 6th Jun 1934 | Box 95 \ 3 scan0012 | |
| Changes to the front suspension design for the Spectre model, specifically introducing separate roller bearing races. | 9th Jun 1934 | Box 95 \ 3 scan0013 | |
| Alternative front suspension coil design for the Spectre model. | 14th Jun 1934 | Box 95 \ 3 scan0014 | |
| Specifying the 1300 lbs load requirement for rear road springs on the 'Spectre' model's first chassis. | 25th Jul 1934 | Box 95 \ 3 scan0015 | |
| Modification to the Spectre Front Suspension damper pistons. | 28th Jul 1934 | Box 95 \ 3 scan0016 | |
| Introductory memo outlining a set of tables with particulars for the Spectre model's front suspension springs. | 31th Aug 1934 | Box 95 \ 3 scan0017 | |
| Table of specifications for various outer and inner springs. | 31th Aug 1934 | Box 95 \ 3 scan0018 | |
| Specification sheet detailing the particulars of four different inner spring designs. | 31th Aug 1934 | Box 95 \ 3 scan0019 | |
| Table of possible combinations for inner and outer springs for the Spectre independent front wheel suspension. | 31th Aug 1934 | Box 95 \ 3 scan0020 | |
| Table detailing spring combinations with corresponding load, rate, and stress values. | 31th Aug 1934 | Box 95 \ 3 scan0021 | |
| Table of combinations for inner and outer springs for the Spectre independent front wheel suspension. | 7th Sep 1934 | Box 95 \ 3 scan0022 | |
| Modifications to the 'Spectre' front suspension to increase friction and cure steering issues. | 7th Sep 1934 | Box 95 \ 3 scan0023 | |
| Table detailing the particulars and specifications of different outer springs. | 7th Sep 1934 | Box 95 \ 3 scan0024 | |
| Specification table detailing the particulars of four different inner spring designs. | 7th Sep 1934 | Box 95 \ 3 scan0025 | |
| Table detailing possible combinations of inner and outer springs for the Spectre independent front wheel suspension. | 7th Sep 1934 | Box 95 \ 3 scan0026 | |
| Table detailing spring combinations with corresponding load, rate, and stress values. | 7th Sep 1934 | Box 95 \ 3 scan0027 | |
| Table detailing combinations of inner and outer springs for the Spectre Independent Front Wheel Suspension, arranged by loads and rates. | 7th Sep 1934 | Box 95 \ 3 scan0028 | |
| Development programme for the Spectre suspension, covering tyres, steering, and dampers. | 7th Sep 1934 | Box 95 \ 3 scan0029 | |
| List of tests comparing steering, suspension, and frame stiffness for Spectre, Cadillac, and Phantom II models. | 12th Sep 1934 | Box 95 \ 3 scan0030 | |
| Request to order six rubber buffers for a Spectre vehicle, part number G. 81436. | 12th Sep 1934 | Box 95 \ 3 scan0031 | |
| Requesting the fitting of packings to the Spectre's front road springs to correct its low height. | 20th Sep 1934 | Box 95 \ 3 scan0032 | |
| The specifications for Spectre front road springs. | 22th Sep 1934 | Box 95 \ 3 scan0033 | |
| Confirmation of an instruction for a shorter link for the front suspension on the Spectre. | 2nd Oct 1934 | Box 95 \ 3 scan0034 | |
| Design for a shortened lower triangle link for the Spectre front suspension. | 11th Oct 1934 | Box 95 \ 3 scan0035 | |
| Requesting drawings for 7' deflection front and rear springs for experimentation on the Spectre model. | 15th Oct 1934 | Box 95 \ 3 scan0036 | |
| The design specifications for 'Spectre' front road springs. | 15th Oct 1934 | Box 95 \ 3 scan0037 | |
| Suggestions for the Spectre front suspension system, including a self-contained shock damper. | 17th Oct 1934 | Box 95 \ 3 scan0038 | |
| Correcting a drawing number relating to the Spectre front suspension. | 20th Oct 1934 | Box 95 \ 3 scan0039 | |
| Temporary modification to the steering layout for the Spectre front suspension. | 23th Oct 1934 | Box 95 \ 3 scan0040 | |
| The specifications and ordering instructions for the rear road springs of a Spectre Chassis. | 30th Oct 1934 | Box 95 \ 3 scan0041 | |
| Proposal to test rubber isolation for the Spectre model's rear axle and suspension springs. | 10th Nov 1934 | Box 95 \ 3 scan0042 | |
| Cover sheet for I.A.E. Research & Standardisation Committee Report No. 7298 on Gyroscopic Torque and Independent Springing. | 14th Nov 1934 | Box 95 \ 3 scan0043 | |
| Summary of an article on gyroscopic torque and independent front wheel suspension. | 1st Oct 1934 | Box 95 \ 3 scan0044 | |
| Adjustments to the Spectre Front Suspension using washers. | 13th Nov 1934 | Box 95 \ 3 scan0045 | |
| Adding two bosses to the yoke piece forging for the Spectre Front Suspension to facilitate castor angle measurement. | 15th Nov 1934 | Box 95 \ 3 scan0046 | |
| Request to produce a set of parts for the Spectre rear suspension. | 20th Nov 1934 | Box 95 \ 3 scan0047 | |
| Modifications to the Spectre front suspension to raise the car and alter the yoke piece and rubber buffers. | 23th Nov 1934 | Box 95 \ 3 scan0048 | |
| Request to manufacture a pair of rear spring anchorage brackets to address an oversteering issue on the Spectre model. | 10th Dec 1934 | Box 95 \ 3 scan0049 | |
| Spectre suspension issues and oil consumption during testing, with comparisons to a Cadillac. | 12th Dec 1934 | Box 95 \ 3 scan0050 | |
| Specification sheet for 7' deflection front road springs for the Spectre model. | 15th Dec 1934 | Box 95 \ 3 scan0051 | |
| Request to fit 7' deflection road springs to the front and rear of a Spectre Car chassis. | 15th Dec 1934 | Box 95 \ 3 scan0052 | |
| Revised top and bottom triangles for the Spectre front suspension. | 3rd Jan 1935 | Box 95 \ 3 scan0053 | |
| Strengthened yoke pieces for the Spectre front suspension, halving the stress compared to existing parts. | 5th Jan 1935 | Box 95 \ 3 scan0054 | |
| Testing and ordering new Spectre front road springs. | 16th Jan 1935 | Box 95 \ 3 scan0055 | |
| Technical specification for Spectre Front Road Springs, comparing outer and inner spring designs. | 18th Jan 1935 | Box 95 \ 3 scan0056 | |
| Requesting the production of a set of parts for the Spectre model to prevent the front of the car dipping over a hump-backed bridge. | 25th Jan 1935 | Box 95 \ 3 scan0057 | |
| Preliminary report on the 'Spectre' suspension problem, specifically the 'fling-up' in the rear when passing over hump-backed bridges. | 31th Jan 1935 | Box 95 \ 3 scan0058 | |
| Suspension issue causing rear passenger discomfort over bumps in the Spectre model. | 31th Jan 1935 | Box 95 \ 3 scan0059 | |
| Suspension improvements, focusing on rebound movement, check straps, and shock damper performance. | 31th Jan 1935 | Box 95 \ 3 scan0060 | |
| Car suspension behaviour, focusing on rear axle rebound, front bump stroke checks, and the development of shock dampers. | 31th Jan 1935 | Box 95 \ 3 scan0061 | |
| Comparative table of vehicle suspension tests detailing setups, clearances, and ride quality observations. | 13th Feb 1935 | Box 95 \ 3 scan0062 | |
| Summary of suspension tests conducted at 30 M.P.H. over a hump back bridge on a Spectre model. | 18th Feb 1937 | Box 95 \ 3 scan0063 | |
| Requesting the modification of existing shackle bolts for the Spectre Rear Road Spring Anchorage. | 6th Feb 1935 | Box 95 \ 3 scan0064 | |
| Secret memorandum from 'Sg.' to 'Hs/Rm.' regarding Spectre Suspension, requesting to receive all experimental information. | 15th Feb 1935 | Box 95 \ 3 scan0065 | |
| Request to refit the 7-inch initial deflection rear road springs to the Spectre 30-EX chassis. | 21th Feb 1935 | Box 95 \ 3 scan0066 | |
| Design of conventional type road springs for the Spectre model. | 28th Feb 1935 | Box 95 \ 3 scan0067 | |
| Fitting higher rating variable suspension springs to the No. 2 Spectre car. | 28th Feb 1935 | Box 95 \ 3 scan0068 | |
| Specifications for a 5' deflection spring with a variable rating. | 28th Feb 1935 | Box 95 \ 3 scan0069 | |
| Preliminary tests of Automatic Lock Shock Dampers designed to relieve discomfort over hump-backed bridges. | 26th Mar 1935 | Box 95 \ 3 scan0070 | |
| Springing tests conducted on the Spectre model. | 26th Mar 1935 | Box 95 \ 3 scan0071 | |
| Report discussing the functionality of the roll rod, comparing its application on a Cadillac to the design on a Spectre. | 26th Mar 1935 | Box 95 \ 3 scan0072 | |
| Notice for the Spectre model regarding rear spring clips fouling the frame flange and the required modification. | 26th Mar 1935 | Box 95 \ 3 scan0073 | |
| Springing tests conducted on the Spectre model to evaluate ride quality. | 26th Mar 1935 | Box 95 \ 3 scan0074 | |
| The function and design of a roll rod, comparing its application on a Cadillac to the Spectre model. | 26th Mar 1935 | Box 95 \ 3 scan0075 | |
| Improvements to the Spectre suspension with spherical and rubber shackles. | 13th Apr 1935 | Box 95 \ 3 scan0076 | |
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