{"product_id":"1940s-marconi-air-ministry-d-type-morse-key-10a-7373-with-a-cracked-cover","title":"1940s Marconi Air Ministry D Type Morse Key 10A\/7373 With A Cracked Cover","description":"\u003ch1\u003e1940s Marconi Air Ministry D Type Morse Key 10A\/7373 With A Cracked Cover\u003c\/h1\u003e\n\u003cp\u003eA 1940s Marconi Air Ministry D Type Morse Key 10A\/7373 With A Cracked Cover. The price has been adjusted as a consequence.\u003c\/p\u003e\n\u003cp\u003eThis is a large ground station key with large contacts and was typically used in RAF control towers during wartime and immediate post war operations.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eApproximate measurements:\u003c\/strong\u003e\u003cbr\u003eBase Width: 10.2cm (4\")\u003cbr\u003eBase Length:- 19cm\u003cbr\u003eHeight: 8cm\u003cbr\u003e\u003cbr\u003eThis key has a massive shiny bakelite over-cover, which is frequently missing as they made good ashtrays. In this example, the cover is intact but is cracked on the side with  surface scuffs \u0026amp; scratches commensurate with age and use. The reason for the over-cover is that the key typically interfaced with the high voltage portion of circuitry in a transmitter, therefore the unit is fully enclosed to protect the operator!\u003cbr\u003e\u003cbr\u003eIn operation, the rear set of contacts are normally closed and the front set are normally open. By depressing the key the rear contacts open and, correspondingly, the front closes. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eA great find for all collectors of \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/bakelite-plastics\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBakelite\u003c\/a\u003e, \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/militaria\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eMilitaria\u003c\/a\u003e or radio communication aficionados!\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSummary\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrown Bakelite \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMORSE TYPE D\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eREF No.10A\/7373, where \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e10A = Miscellaneous Radio (Wireless) Equipment\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAM with the Air Ministry Crown\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufactured by Marconi\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/morse-keys-telegraphy\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eMorse Keys.\u003c\/a\u003e\u003c\/p\u003e","brand":"Marconi","offers":[{"title":"Default Title","offer_id":55955266732407,"sku":null,"price":103.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/1940s_Marconi_Air_Ministry_D_Type_Morse_Key_10A_7373_With_A_Cracked_Cover_1.jpg?v=1760523668","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1940s-marconi-air-ministry-d-type-morse-key-10a-7373-with-a-cracked-cover","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}