| Description | Date | Identifier | |
| Improvements to the Phantom III front suspension seals to prevent water ingress. | 28th Feb 1936 | Box 95 \ 2 scan0040 | |
| The sourcing and fitting of superior E.S.C. front suspension springs for the Phantom III chassis. | 2nd Mar 1936 | Box 95 \ 2 scan0041 | |
| Sourcing and increased cost of Phantom III inner suspension springs from English Steel Corporation compared to Salter's. | 13th Mar 1936 | Box 95 \ 2 scan0042 | |
| Letter to English Steel Corporation Ltd. about manufacturing inaccuracies in coil springs. | 6th Mar 1936 | Box 95 \ 2 scan0043 | |
| Letter from English Steel Corporation arranging a meeting to discuss coil springs, part numbers G.83692 and G.83698. | 7th Mar 1936 | Box 95 \ 2 scan0044 | |
| Letter to Silentbloc Ltd. requesting details for an anti-roll rod assembly design. | 16th Mar 1936 | Box 95 \ 2 scan0045 | |
| Design change for the Phantom III front suspension, specifically reversing oil seals in the yoke piece lower bearing. | 17th Mar 1936 | Box 95 \ 2 scan0046 | |
| Experiments with rubber spring shackles and their effects on noise and stability. | 19th Mar 1936 | Box 95 \ 2 scan0047 | |
| Feasibility of altering car parts to incorporate rubber shackles. | 20th Mar 1936 | Box 95 \ 2 scan0048 | |
| Confirming instructions to order half a dozen top plates for the rear springs of the Phantom III model. | 20th Mar 1936 | Box 95 \ 2 scan0049 | |
| List of components for the Phantom III front suspension for which weights are required. | 23th Mar 1936 | Box 95 \ 2 scan0050 | |
| Instructions regarding a revised top plate for rubber-mounted rear springs on a Phantom III chassis. | 23th Mar 1936 | Box 95 \ 2 scan0051 | |
| Implementation and testing of anti-roll rods for the Phantom III and Wraith II models. | 24th Mar 1936 | Box 95 \ 2 scan0052 | |
| Letter from Super Oil Seal Manfg. Co regarding rectified seals and future part number marking. | 25th Mar 1936 | Box 95 \ 2 scan0053 | |
| Letter from supplier Silentbloc Limited regarding modifications and part numbers for Silentbloc Bearings. | 26th Mar 1936 | Box 95 \ 2 scan0054 | |
| Instruction memo regarding fitting temporary solid bushes on the rear road springs for model 33-EX. | 1st Apr 1936 | Box 95 \ 2 scan0055 | |
| Method for fitting reversed 'Perfect' oil seals to the lower yoke piece bearing on the Phantom III's independent suspension. | 4th Apr 1936 | Box 95 \ 2 scan0056 | |
| Application of rubber bushes to the rear springs for the Phantom III. | 4th Apr 1936 | Box 95 \ 2 scan0057 | |
| Investigation of torsion bar suspension systems for potential use in Bentley vehicles. | 7th Apr 1936 | Box 95 \ 2 scan0058 | |
| Letter to a supplier requesting pricing information for different types of road springs. | 8th Apr 1936 | Box 95 \ 2 scan0059 | |
| Letter to Thos. Firth & John Brown Ltd. regarding a drawing for an oiling scheme on a spring. | 8th Apr 1936 | Box 95 \ 2 scan0060 | |
| Requesting a covering order for verbally ordered springs, noting that die alterations are required. | 8th Apr 1936 | Box 95 \ 2 scan0061 | |
| Revision to the lubrication boss for the Phantom III rear springs. | 8th Apr 1936 | Box 95 \ 2 scan0062 | |
| Letter from Thos Firth & John Brown Ltd acknowledging receipt of a letter regarding Road Springs. | 9th Apr 1936 | Box 95 \ 2 scan0063 | |
| Cost of leaf road springs and the reasons for their expense. | 9th Apr 1936 | Box 95 \ 2 scan0064 | |
| Discussion and recommendation on the use of a rolled eye component for the Phantom III model. | 9th Apr 1936 | Box 95 \ 2 scan0065 | |
| Letter to Thos. Firth & John Brown Ltd. concerning a modified drawing for a new scheme for oiling spring leaves. | 15th Apr 1936 | Box 95 \ 2 scan0066 | |
| Fitting rubber shackles and removing the rubber plate between the axles and springs on car 36-MX. | 17th Apr 1936 | Box 95 \ 2 scan0067 | |
| New cost-saving design for the Phantom III rear spring front anchorage, referencing a Cadillac design. | 20th Apr 1936 | Box 95 \ 2 scan0068 | |
| Letter to Silentbloc Ltd. concerning part G.84361, questioning the need to alter parts and the quoted cost. | 20th Apr 1936 | Box 95 \ 2 scan0069 | |
| Letter from Silentbloc Limited regarding manufacturing difficulties with Silentbloc assemblies. | 8th Apr 1936 | Box 95 \ 2 scan0070 | |
| Blueprint for a Silentbloc assembly rear support. | 14th Feb 1936 | Box 95 \ 2 scan0071 | |
| Obtaining production quotations for Phantom III road springs. | 21th Apr 1936 | Box 95 \ 2 scan0072 | |
| Telex message enquiring about the delivery schedule for a pair of springs. | 22th Apr 1936 | Box 95 \ 2 scan0073 | |
| Designing alternative solid bronze bushes for the Phantom III rear spring front end. | 23th Apr 1936 | Box 95 \ 2 scan0074 | |
| Proposing a cost-saving alteration to the Needle Bearing Housings for the Phantom III chassis front suspension. | 25th Apr 1936 | Box 95 \ 2 scan0075 | |
| Suggested alteration to the spring suspension housings for the Phantom III chassis. | 27th Apr 1936 | Box 95 \ 2 scan0076 | |
| Investigation and comparison of various independent suspension systems, including Citroen's torsion bar and American designs. | 27th Apr 1936 | Box 95 \ 2 scan0077 | |
| The Phantom III wishbone arm arrangement, comparing it to Cadillac and Packard suspension systems. | 27th Apr 1936 | Box 95 \ 2 scan0078 | |
| Comparison of weights for various conventional and independent front suspension systems. | 27th Apr 1936 | Box 95 \ 2 scan0079 | |
| Follow-up letter to Thos. Firth & John Brown Ltd. regarding pricing for Bentley and Ph.III road springs. | 6th May 1936 | Box 95 \ 2 scan0080 | |
| Quotation letter from British Tyre & Rubber Co. Ltd. for the supply of rubber buffers. | 6th May 1936 | Box 95 \ 2 scan0081 | |
| Investigation into the Phantom III front suspension's load deflection curves and a proposal for new springs to achieve constant periodicity. | 7th May 1936 | Box 95 \ 2 scan0082 | |
| Suspension spring characteristics for the Phantom III and testing procedures. | 7th May 1936 | Box 95 \ 2 scan0083 | |
| Telex message chasing a reply about the price of springs. | 13th May 1936 | Box 95 \ 2 scan0084 | |
| The testing of Citroen cars with torsion bar suspension and a recommendation for purchase. | 21th May 1936 | Box 95 \ 2 scan0085 | |
| Attaching a letter concerning delays in the delivery of experimental road springs. | 29th May 1936 | Box 95 \ 2 scan0086 | |
| Letter from G.E. Wolstenholme regarding the status of several outstanding experimental spring orders and production difficulties. | 27th May 1936 | Box 95 \ 2 scan0087 | |
| Instruction to raise the front of car 33-EX by fitting packing to the front suspension. | 4th Jun 1936 | Box 95 \ 2 scan0088 | |
| Buffer clearance variations and potential solutions for the Phantom III independent front suspension. | 26th Jun 1936 | Box 95 \ 2 scan0089 | |
| Issue of knocking shock dampers, distinguishing between internal faults and insecure anchorage. | 4th Jun 1936 | Box 95 \ 2 scan0090 | |
| Photograph showing two waisted bolts with nuts. | 10th Jun 1936 | Box 95 \ 2 scan0091 | |
| Letter to The English Steel Corporation Ltd. confirming a requirement for 6 pairs of coil springs. | 10th Jun 1936 | Box 95 \ 2 scan0092 | |
| Request for a drawing of the front anchorage of the rear road spring as fitted to 32-EX. | 10th Jun 1936 | Box 95 \ 2 scan0093 | |
| Request to issue a covering order for springs to the English Steel Corporation Ltd. | 10th Jun 1936 | Box 95 \ 2 scan0094 | |
| New rear suspension scheme for the Phantom III model, being tested in France. | 11th Jun 1936 | Box 95 \ 2 scan0095 | |
| Cause of shock damper knocks on 20/25 HP and Bentley chassis and the solution applied. | 18th Jun 1936 | Box 95 \ 2 scan0096 | |
| Shock damper knocks, concluding that worn suspension bolts are not the primary cause. | 23th Jun 1936 | Box 95 \ 2 scan0097 | |
| Request to produce six more pistons for the Phantom III front suspension following successful road and rig testing. | 26th Jun 1936 | Box 95 \ 2 scan0098 | |
| Comparison of front spring set up and lower buffer clearances on experimental Phantom III cars versus production models. | 2nd Jul 1936 | Box 95 \ 2 scan0099 | |
| Request to Silentbloc Ltd. for torque curve data on specific bushes and suggestions for more flexible replacements. | 6th Jul 1936 | Box 95 \ 2 scan0100 | |
| Order for Silentbloc bushes from Silentbloc Ltd. | 15th Jul 1936 | Box 95 \ 2 scan0101 | |
| The front suspension damper valve settings on the Phantom III chassis. | 17th Jul 1936 | Box 95 \ 2 scan0102 | |
| Specifications and location for 35-EX Rear Springs. | 4th Aug 1936 | Box 95 \ 2 scan0103 | |
| Standardisation of the Phantom III rear spring anchorage bracket and rubbers. | 4th Aug 1936 | Box 95 \ 2 scan0104 | |
| Cost implications and testing of rubber shackles on the Phantom III. | 10th Aug 1936 | Box 95 \ 2 scan0105 | |
| Cost comparison for different types of Phantom III rear springs. | 13th Aug 1936 | Box 95 \ 2 scan0106 | |
| Sending two Silentbloc bushes to Messrs. Silentbloc Ltd. | 13th Aug 1936 | Box 95 \ 2 scan0107 | |
| Request to test rubber jointing connecting links for roll-rods and shock absorbers on Phantom III and Wraith II models. | 13th Aug 1936 | Box 95 \ 2 scan0108 | |
| Vehicle dynamics, specifically slip angle, understeering, and oversteering when cornering. | 13th Aug 1936 | Box 95 \ 2 scan0109 | |
| The influence of torsion rod location on vehicle turning characteristics like oversteer and understeer. | 20th Aug 1936 | Box 95 \ 2 scan0110 | |
| Instruction to fit a pair of 1300 lbs rear springs to a Phantom III chassis. | 20th Aug 1936 | Box 95 \ 2 scan0111 | |
| Ordering and design of Phantom III rear springs and bushes. | 20th Aug 1936 | Box 95 \ 2 scan0112 | |
| Decision to fit the Phantom III Series 'B' rear road springs with a bronze bush, with the option for a rubber bush later. | 20th Aug 1936 | Box 95 \ 2 scan0113 | |
| Advising of a design modification for the Phantom III rear springs and bushes, superseding a previous reference. | 25th Aug 1936 | Box 95 \ 2 scan0114 | |
| Letter to The British Tyre & Rubber Co. Ltd. regarding a new print with modified dimensions and special bolts for rubber buffers. | 31th Aug 1936 | Box 95 \ 2 scan0115 | |
| Letter from British Tyre & Rubber Co. Ltd. confirming a verbal quotation for a 1-cavity mould for part F.89070. | 1st Sep 1936 | Box 95 \ 2 scan0116 | |
| Requesting the issue of a covering order for 24 rubbers from the British Tyre and Rubber Co. Ltd. | 4th Sep 1936 | Box 95 \ 2 scan0117 | |
| Modifications and testing of independent suspension dampers for experimental cars. | 11th Sep 1936 | Box 95 \ 2 scan0118 | |
| Requesting to fit a new chassis with higher poundage front springs. | 17th Sep 1936 | Box 95 \ 2 scan0119 | |
| Specification for building an experimental Bentley car with Citroen torsion bar suspension. | 18th Sep 1936 | Box 95 \ 2 scan0120 | |
| Standardisation of a large rear spring front anchorage bracket suitable for conversion to rubber shackles. | 5th Oct 1936 | Box 95 \ 2 scan0121 | |
| Cost comparison analysis between an old and new part showing a net cost decrease. | 7th Sep 1936 | Box 95 \ 2 scan0122 | |
| Request for details regarding the proposal to standardise thick leaf rear road springs on the Bentley chassis for costing purposes. | 1st Oct 1936 | Box 95 \ 2 scan0123 | |
| Standardisation report for a rubber part between the rear springs and rear axle, intended to reduce tyre noise. | 5th Sep 1936 | Box 95 \ 2 scan0124 | |
| Cost estimate and comparison for old and new parts, including tooling and production details for a 'B' series chassis. | 27th Aug 1936 | Box 95 \ 2 scan0125 | |
| Invoice for Rear Spring Front Eye Bushes and a request to confirm their receipt. | 9th Oct 1936 | Box 95 \ 2 scan0126 | |
| Chasing a reply and a requested G/R Sheet. | 21th Oct 1936 | Box 95 \ 2 scan0127 | |
| Requesting to book 4 rubbers into the Works, referencing a previous supply of 24 rubbers. | 23th Oct 1936 | Box 95 \ 2 scan0128 | |
| List of required modifications for the 33-EX car suspension system. | 28th Oct 1936 | Box 95 \ 2 scan0129 | |
| Querying potential adjustments to the Phantom III road springs due to a high front ride height affecting driver visibility. | 30th Oct 1936 | Box 95 \ 2 scan0130 | |
| Reconsidering Phantom III rear road springs due to experimental cars riding low, impacting visibility. | 13th Nov 1936 | Box 95 \ 2 scan0131 | |
| Front suspension tests indicating no advantage with special damper pistons and requesting vents be blocked. | 18th Nov 1936 | Box 95 \ 2 scan0132 | |
| Leslie's recommendations for the conversion to rubber between the axle and springs. | 24th Nov 1936 | Box 95 \ 2 scan0133 | |
| Methods to correct the rear height of an 'A' Series chassis. | 23th Nov 1936 | Box 95 \ 2 scan0134 | |
| Letter to Arens Controls Limited concerning excessive friction issues with a control on the Phantom III chassis. | 23th Oct 1936 | Box 95 \ 2 scan0135 | |
| Letter from Marconi-Ekco Instruments Ltd. discussing the development of an instrument for recording riding comfort. | 24th Nov 1936 | Box 95 \ 2 scan0136 | |
| Letter from Arens Controls Ltd. confirming receipt of a lubricator adaptor drawing and sample. | 25th Nov 1936 | Box 95 \ 2 scan0137 | |
| Report outlining the facts and recommendations regarding the fitting of chassis road springs. | 25th Nov 1936 | Box 95 \ 2 scan0138 | |
| Alterations to Phantom III rear springs and the resulting impact on driver visibility. | 25th Nov 1936 | Box 95 \ 2 scan0139 | |
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