| Description | Date | Identifier | |
| Request to place an order for superfine copper wire from Concordia. | 1st Apr 1933 | Box 63 \ 1 scan0276 | |
| Request to obtain an up-to-date copy of a publication titled 'Electrical Resistance materials'. | 2nd May 1933 | Box 63 \ 1 scan0277 | |
| Internal request to order a Champion sparking plug tester for use at Tollerton. | 12th May 1933 | Box 63 \ 1 scan0278 | |
| Request to obtain a valve for a Nestill foot pump. | 7th Jul 1933 | Box 63 \ 1 scan0279 | |
| Order for two Zenith Slider Resistances for a Dynamo Rig. | 1st Jul 1933 | Box 63 \ 1 scan0280 | |
| Request to order 3 K.D. Air Desiccators from K.D.Co. | 20th Jul 1933 | Box 63 \ 1 scan0281 | |
| Internal order request for various types of lamps from the Ediswan Co. | 12th Sep 1933 | Box 63 \ 1 scan0282 | |
| Request to order three pairs of Exide battery connectors. | 28th Sep 1933 | Box 63 \ 1 scan0283 | |
| Request to order two 500 volt 60 ampere Kantark fuse units from the Sun Electrical Co. Ltd. | 4th Oct 1933 | Box 63 \ 1 scan0284 | |
| Confirming the delivery of a one-pint sample tin of Acid Resisting Varnish. | 10th Oct 1933 | Box 63 \ 1 scan0285 | |
| Order for D.C.C. Eureka resistance wire. | 13th Oct 1933 | Box 63 \ 1 scan0286 | |
| Urgent internal request to order superfine copper wire for tank engines. | 27th Oct 1933 | Box 63 \ 1 scan0287 | |
| Urgent internal request to order commutator bars and mica insulating segments. | 10th Nov 1933 | Box 63 \ 1 scan0288 | |
| Internal request to order two different gauges of tinned copper fuse wire. | 11th Nov 1933 | Box 63 \ 1 scan0289 | |
| Request to supply one carboy of distilled water. | 13th Dec 1933 | Box 63 \ 1 scan0290 | |
| Urgent internal order request for pure nickel wire for ignition experiments. | 8th Dec 1933 | Box 63 \ 1 scan0291 | |
| Request to order two small rubber Tee pieces from the W.J. George Ltd. catalogue. | 8th Jan 1934 | Box 63 \ 1 scan0292 | |
| Request to arrange a covering order for parts mentioned in a previous communication, referencing Order No. 55704. | 19th Apr 1934 | Box 63 \ 1 scan0293 | |
| Request to order two rubber tubes and adaptors for the Nesthill Compact Foot Pump. | 30th Jul 1934 | Box 63 \ 1 scan0294 | |
| Request for a quotation from Messrs. Elliott Bros., Ltd. for a Type MR. Galvanometer. | 9th Aug 1934 | Box 63 \ 1 scan0295 | |
| Order for 1000 copper washers marked with an arrow. | 10th Jan 1935 | Box 63 \ 1 scan0296 | |
| Request to obtain the Journal of Research of the National Bureau of standards of the U.S.A. | 3rd Oct 1935 | Box 63 \ 1 scan0297 | |
| Order for 'brightray' tape from a supplier. | 20th Nov 1935 | Box 63 \ 1 scan0298 | |
| Internal request to order two strips of Ellison's Tufnol. | 24th Oct 1935 | Box 63 \ 1 scan0299 | |
| Covering order to be sent to Messrs. Ferodo Ltd. for Ferodo washers. | 5th Jan 1937 | Box 63 \ 1 scan0300 | |
| Proposal to issue a specification for the fitting of radio sets to R.R. and Bentley chassis, requesting comments and drawings. | 1st May 1935 | Box 63 \ 2 scan0001 | |
| Request to arrange the fitting of a Philips car radio set into a demonstration or inspector's car for testing. | 2nd May 1935 | Box 63 \ 2 scan0002 | |
| Promotional letter from Philco announcing the new 806T car radio receiver and its fitting options. | 7th May 1935 | Box 63 \ 2 scan0003 | |
| Sales letter from Philco detailing the features and price of the 806T Model car radio for 12-Volt cars. | 7th May 1935 | Box 63 \ 2 scan0004 | |
| Letter from E.K. Cole Ltd. (EKCO) regarding the inter-connections for car radio equipment on an experimental 40/50 chassis. | 7th May 1935 | Box 63 \ 2 scan0005 | |
| Philips Radio, acknowledging a query and promising a follow-up. | 2nd May 1936 | Box 63 \ 2 scan0006 | |
| Specifications and procedures for fitting radio sets to cars. | 7th May 1935 | Box 63 \ 2 scan0007 | |
| Letter to E.K. Cole Ltd. regarding issues with a car radio set in a 40/50 Experimental Car, including an uncalibrated tuning dial and a missing nut on the lock switch. | 8th May 1935 | Box 63 \ 2 scan0008 | |
| Announcing the completion of a comprehensive specification for installing radio receivers on R.R. & Bentley Chassis. | 8th May 1935 | Box 63 \ 2 scan0009 | |
| Letter arranging a meeting with Mr. Dyson of Erie Resistor, Ltd. at the Bentley Motors Service Station. | 9th May 1935 | Box 63 \ 2 scan0010 | |
| Letter to E.K.Cole Ltd. regarding insufficiently insulated metal braided cable on an experimental chassis. | 9th May 1935 | Box 63 \ 2 scan0011 | |
| Letter from EKCO regarding body wiring and shielding principles on a Park Ward 40/50 HP chassis. | 11th May 1935 | Box 63 \ 2 scan0012 | |
| Letter from a Car Radio Engineer at E.K. Cole Ltd. concerning twin shielded wiring. | 11th May 1935 | Box 63 \ 2 scan0013 | |
| Letter from EKCO regarding a car radio calibration issue and a lost part for an experimental 40/50 car. | 11th May 1935 | Box 63 \ 2 scan0014 | |
| Requesting comments on an attached letter from the S.M.M.T. regarding car radios. | 13th May 1935 | Box 63 \ 2 scan0015 | |
| Internal request to order condensers from E.K. Cole Ltd. for radio noise suppression. | 13th May 1935 | Box 63 \ 2 scan0016 | |
| Letter to Messrs. E.K. Cole Ltd. accepting an offer to exchange a car radio receiver unit. | 15th May 1935 | Box 63 \ 2 scan0017 | |
| Installation requirements and specifications for car radios. | 16th May 1935 | Box 63 \ 2 scan0018 | |
| Letter from E.K. Cole Ltd. regarding a replacement radio receiver unit, an inter-connecting cable, and a body wiring error. | 16th May 1935 | Box 63 \ 2 scan0019 | |
| Letter to E.K.Cole Ltd. regarding an article on Car Radio Aerials. | 16th May 1935 | Box 63 \ 2 scan0020 | |
| Letter from Weston Electrical Instrument Co. regarding the supply of six experimental moving coil instruments for testing. | 17th May 1935 | Box 63 \ 2 scan0021 | |
| Confirmation letter to Messrs. Erie Resistor, Ltd. regarding drawings for two types of suppressors. | 18th May 1935 | Box 63 \ 2 scan0022 | |
| Letter requesting drawings of two types of condensers for radio noise suppression. | 18th May 1935 | Box 63 \ 2 scan0023 | |
| Letter from E.K. Cole Ltd.'s Car Radio Engineer responding to a letter regarding an article in 'Automotive Industries'. | 20th May 1935 | Box 63 \ 2 scan0024 | |
| Letter from Erie Resistor Limited regarding blueprints and the supply of suppressors and nuts for a 12-cylinder model. | 20th May 1935 | Box 63 \ 2 scan0025 | |
| Letter from The Telegraph Condenser Company concerning drawings and temperature suitability of condensers. | 21th May 1935 | Box 63 \ 2 scan0026 | |
| Return of an Ekco car radio receiver to the manufacturer, E.K. Cole, Ltd. | 21th May 1935 | Box 63 \ 2 scan0027 | |
| Superiority of the British Ekco car radio set over Philco and Philips sets. | 21th May 1935 | Box 63 \ 2 scan0028 | |
| Letter to British Thomson Houston Co. Ltd. requesting the current capacity of a D type starter switch. | 21th May 1935 | Box 63 \ 2 scan0029 | |
| Letter to E.K.Cole, Ltd. providing feedback and criticism on an Ekco car radio set tested in an experimental 40/50 chassis. | 21th May 1935 | Box 63 \ 2 scan0030 | |
| The second page of a letter regarding ongoing tests and a recommendation to the Sales Dept for R.R. and Bentley customers. | 22th May 1935 | Box 63 \ 2 scan0031 | |
| Letter from Erie Resistor Limited enclosing a blueprint for an assembly Suppressor Type L.2. | 22th May 1935 | Box 63 \ 2 scan0032 | |
| Specification for fitting car radio sets to cars. | 23th May 1935 | Box 63 \ 2 scan0033 | |
| General notes and instructions regarding the installation of radio receiving sets on chassis. | 23th May 1935 | Box 63 \ 2 scan0034 | |
| Instructions for fitting condensers and suppressors to reduce electrical interference on various chassis. | 23th May 1935 | Box 63 \ 2 scan0035 | |
| Specifications for electrical suppressors, fittings, and condensers for R.R. and Bentley chassis. | 24th May 1935 | Box 63 \ 2 scan0036 | |
| Letter from radio manufacturer E.K. Cole Ltd (EKCO) responding to feedback on their car radio equipment. | 24th May 1935 | Box 63 \ 2 scan0037 | |
| Letter from E.K. Cole Ltd. concerning car radio equipment, aerial system drawings, and publicity authorization. | 27th May 1935 | Box 63 \ 2 scan0038 | |
| Noise interference issues with Ekco and Philco car radio sets and the role of suppressors. | 27th May 1935 | Box 63 \ 2 scan0039 | |
| The fitting of Ekco car radios into Olympia Spectre models. | 27th May 1935 | Box 63 \ 2 scan0040 | |
| The recommendation and publicity of E.K. Cole Ltd. car radios. | 27th May 1935 | Box 63 \ 2 scan0041 | |
| Request to arrange for a radio receiving set licence for a radio set fitted to the Spectre 3 chassis. | 27th May 1935 | Box 63 \ 2 scan0042 | |
| Fitting new wireless suppressers to a 3 1/2-litre Bentley for H.R.H. The Duke of Kent. | 28th May 1935 | Box 63 \ 2 scan0043 | |
| The requirement for wireless receiving set licenses for specific chassis. | 30th May 1935 | Box 63 \ 2 scan0044 | |
| Request to obtain a wireless licence for two specific vehicle chassis. | 31th May 1935 | Box 63 \ 2 scan0045 | |
| Logistics of replacing a Philco car radio set with an Ekco set for a client. | 31th May 1935 | Box 63 \ 2 scan0046 | |
| Communication regarding the non-recommendation of car radios from E.K.Cole Ltd. for their vehicles. | 5th Jun 1935 | Box 63 \ 2 scan0047 | |
| Correspondence regarding a delay in fitting a radio set to car GAE.19. | 5th Jun 1935 | Box 63 \ 2 scan0048 | |
| Letter to E.K.Cole Ltd. denying permission to use the company name in their car radio publicity. | 6th Jun 1935 | Box 63 \ 2 scan0049 | |
| Stating that cars at Olympia will not be equipped with wireless (radio) due to a lack of demand. | 7th Jun 1935 | Box 63 \ 2 scan0050 | |
| Letter from EKCO regarding the fitting and advertising of their car radios in Rolls-Royce vehicles. | 11th Jun 1935 | Box 63 \ 2 scan0051 | |
| The dispatch of a Philips car radio set for Mr. Cowen's car, GAE19. | 14th Jun 1935 | Box 63 \ 2 scan0052 | |
| Letter to E.K. Cole Ltd (Ekco) regarding the testing of a car radio on an experimental vehicle and the lack of market demand. | 14th Jun 1935 | Box 63 \ 2 scan0053 | |
| Delayed dispatch of a Philips Radio set. | 14th Jun 1935 | Box 63 \ 2 scan0054 | |
| Whereabouts and modification of a radio set for car GAE-19. | 14th Jun 1935 | Box 63 \ 2 scan0055 | |
| Letter from Philco regarding fitting options for the 806T car radio. | 15th Jun 1935 | Box 63 \ 2 scan0056 | |
| Logistics of replacing a car radio in Sg's car with an Ekco set. | 17th Jun 1935 | Box 63 \ 2 scan0057 | |
| Request to E.K. Cole Ltd. to supply and fit an Ekco car radio set. | 18th Jun 1935 | Box 63 \ 2 scan0058 | |
| Arrangements for fitting a car radio to a vehicle known as SG's car. | 18th Jun 1935 | Box 63 \ 2 scan0059 | |
| Letter from radio manufacturer EKCO confirming a car radio order and installation arrangements. | 19th Jun 1935 | Box 63 \ 2 scan0060 | |
| Letter from Philips Lamps Ltd. introducing a new flexible under-car aerial, type 4329, for car radio use. | 25th Jun 1935 | Box 63 \ 2 scan0061 | |
| Page 2 of a letter from Philips Lamps Ltd regarding the installation of a car aerial. | 26th Jun 1935 | Box 63 \ 2 scan0062 | |
| Letter from Ultra Electric Limited requesting electrical specifications for car radio set installation. | 26th Jun 1935 | Box 63 \ 2 scan0063 | |
| Letter to Ultra Electric, Ltd. regarding the fitting of car radio sets to R.R. & Bentley chassis. | 3rd Jul 1935 | Box 63 \ 2 scan0064 | |
| Letter from Ultra Electric Limited regarding the production and descriptive material for their Car Radio Receivers. | 4th Jul 1935 | Box 63 \ 2 scan0065 | |
| Draft instructions for fitting wireless radio sets into cars, covering wiring, aerials, and documentation. | 4th Jul 1935 | Box 63 \ 2 scan0066 | |
| Newspaper cutting and clarifying that E.K.Cole wireless sets are not recommended. | 5th Jul 1935 | Box 63 \ 2 scan0067 | |
| Press cutting from the Wallasey News featuring a letter from Philco disputing Ekco's exclusive rights to supply car radios. | 29th Jun 1935 | Box 63 \ 2 scan0068 | |
| Communication regarding the unauthorized use of the company name by Messrs. E.K. Cole in their publicity. | 8th Jul 1935 | Box 63 \ 2 scan0069 | |
| Car radio and correspondence with E.K.Cole Ltd. | 9th Jul 1935 | Box 63 \ 2 scan0070 | |
| Letter to E.K. Cole Ltd refuting a claim of exclusive rights for providing car radio apparatus. | 9th Jul 1935 | Box 63 \ 2 scan0071 | |
| The ownership of an Ekco Radio Set and a proposal to fit it to a 40/50 HP car. | 9th Jul 1935 | Box 63 \ 2 scan0072 | |
| Technical article on a new dipolar antenna for cars with steel roofs. | 27th Apr 1935 | Box 63 \ 2 scan0073 | |
| Page from an automotive industry publication discussing various production and engineering topics. | 27th Apr 1935 | Box 63 \ 2 scan0074 | |
| Article discussing car radio antenna installation problems, focusing on optimizing diameter and placement to maximize signal pickup and minimize ignition interference. | 27th Apr 1935 | Box 63 \ 2 scan0075 | |
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