| Description | Date | Identifier | |
| Request to obtain a Motorola Model '65' car radio set to be fitted to a Wraith. | 21th Mar 1938 | Box 168b \ 1 img024 | |
| Request for the weights and dimensions of 'PHILCO' car radio sets from Delco-Remy & Hyatt, Ltd. | 21th Mar 1938 | Box 168b \ 1 img025 | |
| The purchase of a Motorola car radio to be fitted to a Wraith. | 21th Mar 1938 | Box 168b \ 1 img026 | |
| Letter from Philco car radio distributors providing details and specifications for radio models K.628 and K.728. | 22th Mar 1938 | Box 168b \ 1 img027 | |
| Advertisement leaflet offering a 30% trade discount on 1938 Philco Car Radio Receivers. | 1st Aug 1937 | Box 168b \ 1 img029 | |
| List of 12 features for the Philco Car Radio. | 1st Jan 1938 | Box 168b \ 1 img030 | |
| Specification sheet for the 1938 Philco Car Radio, models K628T and K628S. | 1st Jan 1938 | Box 168b \ 1 img031 | |
| Catalogue page for a Philco single unit receiver and two-knob control unit. | 1st Jan 1938 | Box 168b \ 1 img032 | |
| Page from a 1938 Philco car radio catalog detailing models for various vehicles. | 1st Jan 1938 | Box 168b \ 1 img033 | |
| Catalogue page for extension speaker models, a control unit, and their prices for yachts, motor boats, and aircraft. | 1st Jan 1938 | Box 168b \ 1 img034 | |
| Leaflet detailing the Philco car radio control unit and its various fitting options. | 1st Jan 1938 | Box 168b \ 1 img035 | |
| Promotional document outlining the installation and service organization for Philco-Delco car radios. | 1st Jan 1938 | Box 168b \ 1 img036 | |
| Page from a Philco Car Radio manual detailing different types of aerials, their installation, and prices. | 1st Jan 1938 | Box 168b \ 1 img037 | |
| Leaflet detailing the deferred payment terms available for Philco Car Radio receivers. | 1st Jan 1938 | Box 168b \ 1 img038 | |
| Advertisement for Philco Car Radios from distributor Delco-Remy & Hyatt. | 24th Mar 1938 | Box 168b \ 1 img039 | |
| Request to order a Philco car radio set and a Philco-Delco manual for the electrical laboratory. | 24th Mar 1938 | Box 168b \ 1 img040 | |
| Road tests of radio suppressors to determine their effect on engine performance. | 29th Mar 1938 | Box 168b \ 1 img041 | |
| Request to arrange for the removal of an American Bosch Radio set from a chassis. | 30th Mar 1938 | Box 168b \ 1 img042 | |
| Advance details flyer for the 1938 range of Motorola car radios. | 30th Mar 1938 | Box 168b \ 1 img043 | |
| Promotional leaflet for The Philco Car Radio De Luxe Model. | 30th Mar 1938 | Box 168b \ 1 img044 | |
| Advertisement for a Philco Car Radio, models K728T and K728S. | 30th Mar 1938 | Box 168b \ 1 img045 | |
| Advertisement leaflet for the Philco Car Radio De Luxe Model, detailing its features and advantages. | 30th Mar 1938 | Box 168b \ 1 img046 | |
| Advertisement leaflet for a demonstration of a Philco De Luxe car radio. | 30th Mar 1938 | Box 168b \ 1 img047 | |
| Advertising leaflet for a Philco Car Radio. | 30th Mar 1938 | Box 168b \ 1 img048 | |
| Advertisement for Philco single unit car radios, detailing models, specifications and pricing. | 1st Jan 1938 | Box 168b \ 1 img049 | |
| Specification sheet for the 1938 models of the Philco Car Radio. | 1st Jan 1938 | Box 168b \ 1 img050 | |
| Advertisement for various extension speaker models, their specifications, and pricing. | 1st Jan 1938 | Box 168b \ 1 img051 | |
| Advertisement outlining the features of the 1938 Philco Car Radio. | 1st Jan 1938 | Box 168b \ 1 img052 | |
| Information leaflet for the installation and service of Philco-Delco car radios. | 23th Apr 1938 | Box 168b \ 1 img053 | |
| Forwarding of a Philco radio set for fitting to a Bentley B.50 car. | 23th Apr 1938 | Box 168b \ 1 img054 | |
| Advance details leaflet for the 1938 range of Motorola car radios. | 22th Mar 1938 | Box 168b \ 1 img055 | |
| Request for a quote on a Motorola car radio set for experimental purposes. | 22th Mar 1938 | Box 168b \ 1 img056 | |
| Letter from a radio supplier regarding new car radio models and control panel options. | 23th Mar 1938 | Box 168b \ 1 img057 | |
| Letter from World Radio Limited regarding the supply and pricing of radio sets, Models 65 and 650. | 23th Mar 1938 | Box 168b \ 1 img058 | |
| Letter to World Radio Ltd. regarding the fitting of a new model car radio set. | 24th Mar 1938 | Box 168b \ 1 img059 | |
| Installation instructions for the Motorola America's Finest Auto Radio, 1938 Model 8-50. | 1st Jan 1938 | Box 168b \ 1 img060 | |
| Installation instructions for an Acostinator, external speaker, and antenna. | 1st Jan 1938 | Box 168b \ 1 img061 | |
| Instructions for spot tuner adjustment and reducing motor noise interference on a car radio. | 1st Jan 1938 | Box 168b \ 1 img062 | |
| Wiring schematic and parts list for a Motorola Model 8-80 auto radio. | 25th Mar 1938 | Box 168b \ 1 img063 | |
| Correspondence from World Radio Ltd about supplying a 6-volt radio set as a temporary measure for a 12-volt model. | 25th Mar 1938 | Box 168b \ 1 img064 | |
| Letter discussing delays in delivering 12-volt car radios and proposing a temporary 6-volt solution due to shipping cancellations. | 26th Mar 1938 | Box 168b \ 1 img065 | |
| Letter from World Radio Limited regarding a fix for electrical interference on Phantom III cars. | 28th Mar 1938 | Box 168b \ 1 img066 | |
| Letter from World Radio Limited correcting a typographical error in a previous correspondence regarding a dynamo wire. | 29th Mar 1938 | Box 168b \ 1 img067 | |
| Letter to World Radio Ltd. requesting a price for shielded wire for a Motorola car radio set on a Phantom III chassis. | 30th Mar 1938 | Box 168b \ 1 img068 | |
| Invoice from World Radio Ltd. for a Motorola Car Radio Set and aerials. | 31th Mar 1938 | Box 168b \ 1 img069 | |
| Quote from World Radio Limited for 5 mm metal braided wire for fitting a Motorola radio set. | 31th Mar 1938 | Box 168b \ 1 img070 | |
| Letter to World Radio, Ltd. requesting the supply of a step-down resistance and braided wire. | 1st Apr 1938 | Box 168b \ 1 img071 | |
| Letter from World Radio Limited regarding a delay in supplying a step-down resistance for a car radio. | 2nd Apr 1938 | Box 168b \ 1 img072 | |
| Testing of a Philco Radio Set which was found to have a rattle, requesting it be returned to the makers. | 5th Apr 1938 | Box 168b \ 1 img073 | |
| Notification that a wireless license is required for chassis RC.6101 (W2AX) after fitting a wireless set. | 26th Apr 1938 | Box 168b \ 1 img074 | |
| Requesting to fit the correct Motorola radio set in car W2AX, replacing the existing 6-volt type. | 26th Apr 1938 | Box 168b \ 1 img075 | |
| Request to arrange for a Philco radio-set to be sent to Messrs. Park Wards for fitting into the first B.50 car. | 22th Apr 1938 | Box 168b \ 1 img076 | |
| Requesting the return of a loaned 6-volt Motorola radio set to World Radio Ltd. | 27th Apr 1938 | Box 168b \ 1 img077 | |
| Invoice from World Radio Ltd. for a Motorola car radio set. | 3rd May 1938 | Box 168b \ 1 img078 | |
| Letter from The Motorola Company enclosing a car radio installation manual. | 11th Apr 1938 | Box 168b \ 1 img079 | |
| The objectives for the formation of the Institute of Auto Radio Engineers. | 30th Dec 1937 | Box 168b \ 1 img080 | |
| Request to arrange a test on a Wraith chassis with resistors in the ignition circuit. | 19th May 1938 | Box 168b \ 1 img081 | |
| Requesting the urgent procurement of a Philco radio set for a car body being built by Messrs. Park Ward & Co. | 31th May 1938 | Box 168b \ 1 img082 | |
| Recommendation to sell a surplus American Bosch radio set for £1. | 4th Jun 1938 | Box 168b \ 1 img083 | |
| Requesting to obtain a Philco car radio set for a Bentley chassis. | 8th Jun 1938 | Box 168b \ 1 img084 | |
| Requesting the fitting of a Philco Radio Set to a Bentley 50 in the Experimental Garage. | 15th Jun 1938 | Box 168b \ 1 img085 | |
| Letter to a coachbuilder clarifying a misunderstanding with a supplier regarding the inclusion of running boards on chassis 2.B.5. | 20th Jun 1938 | Box 168b \ 1 img086 | |
| The order of a Philco car radio set for a 12 volt system. | 5th Jul 1938 | Box 168b \ 1 img087 | |
| Performance issues with a Motorola Car Radio Set model 850 and requesting a replacement. | 15th Jul 1938 | Box 168b \ 1 img088 | |
| Requesting the fitting of a Philco Radio Set to vehicle 25.G.VI. | 16th Jul 1938 | Box 168b \ 1 img089 | |
| Request to obtain one pair of running board aerials from The World Radio Ltd. | 16th Jul 1938 | Box 168b \ 1 img090 | |
| Letter from a supplier about discontinuing a pair of undercar aerials and supplying a new single 4-bar type instead. | 18th Jul 1936 | Box 168b \ 1 img091 | |
| Recommendation to sell a G.E.C. car radio set for £1. 0. 0d. | 18th Jul 1938 | Box 168b \ 1 img092 | |
| Request to obtain a single 4-bar type undercar aerial from World Radio Ltd. for car 8.B.V. | 19th Jul 1938 | Box 168b \ 1 img093 | |
| Requesting that a licence be obtained for a newly fitted car radio set. | 21th Jul 1938 | Box 168b \ 1 img094 | |
| Requesting a license for a newly fitted radio set on car 25.G.VI. | 21th Jul 1938 | Box 168b \ 1 img095 | |
| Request to obtain details and samples of radio suppressors for car radio use from Ferranti Ltd. | 21th Jul 1938 | Box 168b \ 1 img096 | |
| Request to obtain spare dial sight bulbs for a car radio set. | 8th Aug 1938 | Box 168b \ 1 img097 | |
| Request to obtain one dozen spare dial light bulbs for a Motorola car radio set. | 8th Aug 1938 | Box 168b \ 1 img098 | |
| Letter from Ferranti Ltd. concerning a visit to Radiolympia and the installation of a car radio. | 18th Aug 1938 | Box 168b \ 1 img099 | |
| Dangerous positioning of wireless controls in the passenger side cubby hole. | 18th Aug 1938 | Box 168b \ 1 img100 | |
| Dangerous positioning of wireless controls in the cubby hole and suggesting a safer alternative. | 18th Aug 1938 | Box 168b \ 1 img101 | |
| Letter to Ferranti Ltd. enclosing drawings of a dash and instrument board, and proposing a meeting at the Radiolympia. | 24th Aug 1938 | Box 168b \ 1 img102 | |
| Requesting the procurement of two oval shaped escutcheon plates for radio sets. | 25th Aug 1938 | Box 168b \ 1 img103 | |
| Letter from Ferranti Ltd acknowledging receipt of drawings for a dash and instrument board. | 26th Aug 1938 | Box 168b \ 1 img104 | |
| Letter from Ferranti Ltd. regarding the installation of a car radio unit on an experimental vehicle. | 10th Sep 1938 | Box 168b \ 1 img105 | |
| Letter to Ferranti Ltd. regarding scheduling the installation of a radio set into a car. | 16th Sep 1938 | Box 168b \ 1 img106 | |
| Letter from Ferranti Ltd. proposing a new date to fit a car radio in an experimental car. | 19th Sep 1938 | Box 168b \ 1 img107 | |
| Letter to Feranti Ltd. regarding the fitting of a radio set and aerial to an experimental car. | 21th Sep 1938 | Box 168b \ 1 img108 | |
| Instruction to arrange for a Ferranti radio set to be fitted to car 29.G.VI. | 28th Sep 1938 | Box 168b \ 1 img109 | |
| Letter from Ferranti Ltd. regarding revised drawings of Jiffy Plates and an under running board aerial being sent for testing. | 30th Sep 1938 | Box 168b \ 1 img110 | |
| Advice note from Ferranti Ltd. for a chassis type aerial on loan. | 30th Sep 1938 | Box 168b \ 1 img111 | |
| Letter from Ferranti Ltd. regarding car radio static and a request to fit earthing springs to a car undergoing an overhaul. | 4th Oct 1938 | Box 168b \ 1 img112 | |
| Letter to Messrs. Feranti Ltd. confirming car delivery and arranging a meeting to discuss performance. | 7th Oct 1938 | Box 168b \ 1 img113 | |
| The fitting of anti-static earthing devices to a list of cars. | 17th Oct 1938 | Box 168b \ 1 img114 | |
| Request to issue a covering order for retained parts previously on loan to Feranti Ltd. | 24th Oct 1938 | Box 168b \ 1 img115 | |
| Invoice from Ferranti Ltd. for a car radio receiver and other parts. | 21th Oct 1938 | Box 168b \ 1 img116 | |
| Letter from Ferranti Ltd regarding a request to increase the bass response on a car radio. | 26th Oct 1938 | Box 168b \ 1 img117 | |
| Letter to Ferranti Ltd. requesting modifications to a radio set for a Wraith, including more bass and a tone control. | 27th Oct 1938 | Box 168b \ 1 img118 | |
| Requesting the return of a faulty Ferranti car radio set for replacement. | 28th Oct 1938 | Box 168b \ 1 img119 | |
| Letter from Ferranti Ltd concerning the supply of a car radio unit with hand-darkened dials and a suggestion for fitting a tone control. | 31th Oct 1938 | Box 168b \ 1 img120 | |
| Letter from Ferranti Ltd. regarding a new car radio model with improved bass response for testing. | 4th Nov 1938 | Box 168b \ 1 img121 | |
| Letter to Ferranti Ltd. regarding the development and fitting of a car radio set into a Bentley. | 4th Nov 1938 | Box 168b \ 1 img122 | |
| Letter from Ferranti Ltd concerning the placement of a set unit in a Rolls-Bentley chassis. | 11th Nov 1938 | Box 168b \ 1 img123 | |
| Covering order for a Ferranti Radio Set and associated parts. | 14th Nov 1938 | Box 168b \ 1 img124 | |
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