| Description | Date | Identifier | |
| Proposing a modification to the Bentley 111 radiator grille support and starting handle tunnel. | 1st Dec 1937 | Box 99 \ 4 scan0014 | |
| Letter from Serck Radiators Limited acknowledging an enquiry for radiator matrices and advising of a delay. | 8th Dec 1937 | Box 99 \ 4 scan0015 | |
| Quotation from Gallay Ltd. for the supply of tinned copper gilled radiator blocks. | 9th Dec 1937 | Box 99 \ 4 scan0016 | |
| Quotation from Serck Radiators Limited for three types of radiator centres. | 10th Dec 1937 | Box 99 \ 4 scan0017 | |
| Letter to Serck Radiators Ltd. regarding unfavourable price quotations for a radiator centre and arranging a meeting. | 14th Dec 1937 | Box 99 \ 4 scan0018 | |
| Letter to Messrs. Gallay Ltd. declining a quotation for a matrix due to the price being too high. | 14th Dec 1937 | Box 99 \ 4 scan0019 | |
| Letter from Gallay Ltd. discussing their patented radiator matrix, offering samples for comparison, and mentioning government recommendations. | 15th Dec 1937 | Box 99 \ 4 scan0020 | |
| From Gallay Ltd. detailing the special features of their non-erodible radiator core, patent number 398,110. | 17th Dec 1937 | Box 99 \ 4 scan0021 | |
| Alternative radiator grille constructions for the Bentley III following criticisms. | 17th Dec 1937 | Box 99 \ 4 scan0022 | |
| Requesting a decision on the most economical and practical dummy shutter mounting scheme for the B.III Radiator. | 4th Jan 1938 | Box 99 \ 4 scan0023 | |
| Preferred scheme for a dummy shutter mounting for the B.III radiator. | 6th Jan 1938 | Box 99 \ 4 scan0024 | |
| Prints of documents PD.78 and PD.79 for criticism. | 6th Jan 1938 | Box 99 \ 4 scan0025 | |
| Letter from Gallay Ltd. following up on a quotation and enquiry for Radiator Matrices. | 6th Jan 1938 | Box 99 \ 4 scan0026 | |
| Blueprints for the Bentley 111 Radiator's modified grill fixing and requesting instructions. | 11th Jan 1938 | Box 99 \ 4 scan0027 | |
| Requesting the procurement of a Bentley III radiator, to be modified by John Marston Ltd. and fitted to the first B.III chassis. | 11th Jan 1938 | Box 99 \ 4 scan0028 | |
| Urgent need for details on the shutter mounting for the Bentley III radiator. | 11th Jan 1938 | Box 99 \ 4 scan0029 | |
| Standardization of the top baffle for the Wraith & B.III radiator top tanks. | 12th Jan 1938 | Box 99 \ 4 scan0030 | |
| Correcting transposed scheme numbers regarding dummy radiator shutters for the Bentley III. | 13th Jan 1938 | Box 99 \ 4 scan0031 | |
| Letter to Gallay Ltd. declining to test their matrix product due to inferior performance and excessive price. | 20th Jan 1938 | Box 99 \ 4 scan0032 | |
| Letter from Gallay Ltd. regarding the superiority of their radiator block and offering a sample. | 21th Jan 1938 | Box 99 \ 4 scan0033 | |
| Letter from Gallay Ltd. to Mr. C. S. Steadman quoting reduced prices for blocks for specific quantities. | 21th Jan 1938 | Box 99 \ 4 scan0034 | |
| Letter from Gallay Ltd. announcing the opening of new works and promoting their automotive and aviation components. | 1st Mar 1937 | Box 99 \ 4 scan0035 | |
| Requesting an official order for work completed on a Bentley III bottom tank and matrix by a third-party. | 21th Jan 1938 | Box 99 \ 4 scan0036 | |
| Notification of new blueprints for a modified top baffle and altered top tank for the Bentley III Chassis radiator. | 22th Jan 1938 | Box 99 \ 4 scan0037 | |
| Cost-saving change to the riveting method for the B.III radiator steam valve. | 27th Jan 1938 | Box 99 \ 4 scan0038 | |
| Quotation letter from Gallay Ltd. concerning various types of radiator blocks. | 31th Jan 1938 | Box 99 \ 4 scan0039 | |
| Letter to Messrs Gallay Ltd. inviting them to submit quotations for alternative radiator cores. | 1st Feb 1938 | Box 99 \ 4 scan0040 | |
| The design and assembly of Wraith & B.III radiator matrix units. | 2nd Feb 1938 | Box 99 \ 4 scan0041 | |
| Quotation from Gallay Ltd. for five alternative types of radiator cores for drawing No. EB. 3513. | 4th Feb 1938 | Box 99 \ 4 scan0042 | |
| Scheme for fixing the radiator stay on the first experimental Bentley 111 car. | 7th Feb 1938 | Box 99 \ 4 scan0043 | |
| Instructing on the standardization of radiator parts for the B.III model to align with the Wraith model. | 8th Feb 1938 | Box 99 \ 4 scan0044 | |
| Request for cost figures for B.III Radiator parts for comparison with outside firms. | 8th Feb 1938 | Box 99 \ 4 scan0045 | |
| Parts list and factory cost breakdown for a shell and shutter assembly. | 8th Feb 1938 | Box 99 \ 4 scan0046 | |
| Letter to Gallay Ltd. regarding quotations and the testing of various core samples with specific drawing references. | 9th Feb 1938 | Box 99 \ 4 scan0047 | |
| Manufacturing fault with the B.III radiator's dummy shutter set, detailing incorrect vane positioning causing inadequate cooling. | 9th Feb 1938 | Box 99 \ 4 scan0048 | |
| Letter from Gallay Ltd. to Rolls Royce Ltd. concerning different types of radiator blocks. | 11th Feb 1938 | Box 99 \ 4 scan0049 | |
| Part updates for the Bentley III Chassis water connections and radiator fittings. | 16th Feb 1938 | Box 99 \ 4 scan0050 | |
| Cost breakdown and recommendation for Wraith and B.III radiator bottom tanks and matrix units. | 23th Feb 1938 | Box 99 \ 4 scan0051 | |
| Revisions to the front engine mounting and bottom water connection for the Bentley 111. | 28th Feb 1938 | Box 99 \ 4 scan0052 | |
| Letter from Gallay Ltd. regarding undipped samples of radiator blocks and their construction. | 28th Feb 1938 | Box 99 \ 4 scan0053 | |
| From Gallay Ltd. detailing the features of their non-erodible radiator core, patent number 398,110. | 28th Feb 1938 | Box 99 \ 4 scan0054 | |
| Diagrams illustrating a Gallay 1934 type non-erodible radiator core, showing front, plan, and side views. | 2nd Mar 1938 | Box 99 \ 4 scan0055 | |
| Letter to a supplier regarding the performance of their matrix block samples and an offer to test an improved version. | 2nd Mar 1938 | Box 99 \ 4 scan0056 | |
| Preliminary cooling tests for the 7.B.V. car, comparing matrix sizes and performance against the B.III and B.50 models. | 29th Mar 1938 | Box 99 \ 4 scan0057 | |
| Revision of the 'Standard of Cooling' based on hot weather tests and radiator matrix specifications. | 29th Mar 1930 | Box 99 \ 4 scan0058 | |
| Requesting an official order for a radiator matrix from Messrs. Serck Radiators Ltd. | 21th May 1938 | Box 99 \ 4 scan0059 | |
| The procurement and modification of water hose connections for B.III and B.50 chassis. | 25th May 1938 | Box 99 \ 4 scan0060 | |
| Despatch of a B.III radiator matrix unit to Messrs. Clayton Dewandre Ltd. for testing. | 15th Jun 1938 | Box 99 \ 4 scan0061 | |
| Dispatch of a B.III radiator matrix unit for return to a supplier after testing. | 29th Jun 1938 | Box 99 \ 4 scan0062 | |
| Standardisation and issues found with B.II and B.III dummy shutter sets. | 4th Jul 1938 | Box 99 \ 4 scan0063 | |
| Modifications to drill jigs for a stiffener, associated costs, and instructions for production. | 4th Jul 1938 | Box 99 \ 4 scan0064 | |
| Revised shell for the Bentley 3 radiator. | 8th Sep 1938 | Box 99 \ 4 scan0065 | |
| Misaligned moulded rubber hose water connection on the 8.B.V. car. | 6th Oct 1938 | Box 99 \ 4 scan0066 | |
| Issuance of new blueprints for water connections on Bentley III & 50 chassis. | 14th Oct 1938 | Box 99 \ 4 scan0067 | |
| The dispatch of EB.3782 brackets to a supplier, Messrs Marstons, for the Bentley III Radiator. | 17th Oct 1938 | Box 99 \ 4 scan0068 | |
| Instruction regarding a blueprint for altered radiator shutters on the Bentley II chassis. | 29th Oct 1938 | Box 99 \ 4 scan0069 | |
| The durometer hardness required for radiator mounting blocks on B.III & B.50 models. | 1st Nov 1938 | Box 99 \ 4 scan0070 | |
| Blueprints for Bentley V. engine undersheets. | 23th Dec 1938 | Box 99 \ 4 scan0071 | |
| Comparing quotations for Bentley V radiators and analysing cost differences against the Jaguar radiator. | 29th Dec 1938 | Box 99 \ 4 scan0072 | |
| The stabilised design of the Bentley 5 radiator, confirming no proposed modifications. | 29th Dec 1938 | Box 99 \ 4 scan0073 | |
| Bonnet valance with a cross-reference to another file. | 13th Jan 1939 | Box 99 \ 4 scan0074 | |
| Instruction to ensure that B.V. and B.50 bonnets are fitted according to a specific scheme. | 10th Jan 1939 | Box 99 \ 4 scan0075 | |
| Instruction detailing the required length for headlamp support tubes for cars fitted with Paulin type helmet wings. | 16th Jan 1939 | Box 99 \ 4 scan0076 | |
| Two required modifications to the B.V. Radiator before production release. | 19th Jan 1939 | Box 99 \ 4 scan0077 | |
| The material specification for B.V. steering tubes for the first 50 chassis. | 23th Jan 1939 | Box 99 \ 4 scan0078 | |
| Alteration note for a B.V. Radiator, detailing changes to the radiator shell. | 17th Feb 1939 | Box 99 \ 4 scan0079 | |
| List of Parts (LOP) for the radiator and shutters on an experimental Bentley V model, detailing new and replaced components. | 18th Feb 1939 | Box 99 \ 4 scan0080 | |
| Alteration notice continued for a Bentley V model, detailing part changes for the radiator, shutters, and bonnet. | 18th Feb 1939 | Box 99 \ 4 scan0081 | |
| Alteration sheet detailing part changes for the Bentley V. (Expl.) model's radiator and shutters. | 18th Feb 1939 | Box 99 \ 4 scan0082 | |
| Alteration note detailing the addition of holes to a Yoke and Carrier Brackets to facilitate fitting of a Radiator Conduit. | 17th Feb 1939 | Box 99 \ 4 scan0083 | |
| Alteration to the Stiffening Bracket (EB.4180) replacing a shaped aperture with a round hole. | 17th Feb 1939 | Box 99 \ 4 scan0084 | |
| Requesting submission of blueprints for a thermostatic relief valve design to the British Thermostat Company for criticism. | 17th Feb 1939 | Box 99 \ 4 scan0085 | |
| The radiator and shutters for the B.V & B.50 chassis. | 23th Feb 1939 | Box 99 \ 4 scan0086 | |
| The B.V & B.50 radiator. | 27th Feb 1939 | Box 99 \ 4 scan0087 | |
| Request to post radiator parts to Messrs. J. Marston of Wolverhampton for a Bentley M K.V chassis. | 22th Mar 1939 | Box 99 \ 4 scan0088 | |
| Hold request for radiator parts for the Bentley V. Chassis for 50 sets. | 29th Mar 1939 | Box 99 \ 4 scan0089 | |
| Instruction to proceed with manufacturing lightened type radiator badges for Bentley. | 14th Jun 1939 | Box 99 \ 4 scan0090 | |
| Confirming the dispatch of 4 prints for a RE.583 Bentley Radiator Matrix. | 18th Mar 1940 | Box 99 \ 4 scan0091 | |
| Request to place an official order with Morris Motors for a Bentley V radiator angle unit. | 21th Mar 1940 | Box 99 \ 4 scan0092 | |
| Letter to The Searle Radiator Co. Ltd. apologising for a delay in sending drawings for a Bentley V radiator. | 21th Mar 1940 | Box 99 \ 4 scan0093 | |
| Amendments to the B.V. Radiator design, referencing drawing RE. 583/1. | 25th Apr 1940 | Box 99 \ 4 scan0094 | |
| Follow-up letter to Morris Motors regarding the progress on an experimental Bentley V radiator matrix. | 26th Nov 1940 | Box 99 \ 4 scan0095 | |
| Letter from Morris Motors Radiators Branch regarding a delay in completing the experimental Bentley V radiator matrix. | 2nd Dec 1940 | Box 99 \ 4 scan0096 | |
| The Bentley 111 propeller shaft and its centre bearing. | 13th Sep 1937 | Box 99 \ 4 scan0097 | |
| Propeller shaft centre bearing for the Bentley 111, discussing modifications for a lowered frame. | 11th Nov 1937 | Box 99 \ 4 scan0098 | |
| Design changes to the Propeller Shaft Centre Bearing for the Bentley 111 model. | 23th Nov 1937 | Box 99 \ 4 scan0099 | |
| The propeller shaft crossmember and centre bearing for the Bentley 111. | 24th Nov 1937 | Box 99 \ 4 scan0100 | |
| Confirming a design modification for the Bentley III propeller shaft to use a die-cast housing instead of pressings. | 2nd Dec 1937 | Box 99 \ 4 scan0101 | |
| The arrangement and manufacture of the Bentley 111 divided propeller shaft. | 2nd Dec 1937 | Box 99 \ 4 scan0102 | |
| Proposed alternative, more economical bearing housing for the Bentley III propeller shaft. | 13th Dec 1938 | Box 99 \ 4 scan0103 | |
| Suggesting modifications to the propeller shaft centre bearing covers to address noise magnification. | 13th Jun 1938 | Box 99 \ 4 scan0104 | |
| Suggesting replacing adjusting washers with packing plates for the Bentley III propeller shaft centre bearing assembly. | 15th Oct 1938 | Box 99 \ 4 scan0105 | |
| Design alteration for the Bentley 111 propeller shaft centre bearing. | 18th Oct 1938 | Box 99 \ 4 scan0106 | |
| Request to examine a failed spider from a Bentley III propellor shaft for hardness and depth of case. | 3rd Nov 1938 | Box 99 \ 4 scan0107 | |
| Modifications to the B.111 chassis propeller shaft, including larger joints and couplings. | 5th Dec 1938 | Box 99 \ 4 scan0108 | |
| Fitting 1350 type joints to B.V's and B.50's models and ordering the necessary parts. | 22th Dec 1938 | Box 99 \ 4 scan0109 | |
| Request for blueprints and parts for a Bentley V Chassis propeller shaft, to reduce vibration. | 27th Mar 1939 | Box 99 \ 4 scan0110 | |
| Confirming a request to sketch a fully insulated propeller shaft centre bearing based on a General Motors patent. | 30th Mar 1939 | Box 99 \ 4 scan0111 | |
| Parts list and blueprint request related to the Bentley V Chassis propeller shaft. | 1st Apr 1939 | Box 99 \ 4 scan0112 | |
| Requesting an update on pieces needed for a Bentley Propellor Shaft, referencing drawing SCD.1277. | 6th Apr 1939 | Box 99 \ 4 scan0113 | |
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