{"product_id":"ww2-us-army-signal-corps-crystal-multiplier-mi-19468-for-an-et4336-transmitter-new-old-stock-in-its-original-box","title":"WW2 US Army Signal Corps Crystal Multiplier MI 19468 For An ET4336 Transmitter. New Old Stock In Its Original Box","description":"\u003ch1\u003eWW2 US Army Signal Corps Crystal Multiplier MI 19468 For An ET4336 Transmitter. New Old Stock In Its Original Box\u003c\/h1\u003e\n\u003cp\u003eThis fine looking piece of kit is a WW2 US Army Signal Corps Crystal Multiplier MI 19468 For An ET4336 Transmitter. New Old Stock In Its Original Box, the multiplier is in excellent cosmetic condition with some rust, commensurate with age and storage.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eIt has not been tested and is being sold as a collectible for display only.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt comes with its:-\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eOriginal inner and outer boxes stamped with e.g. the contents, order number, and supplier; Wilcox-Gay Corporation, Charlotte, Michigan. The box is a little grubby with a torn flap but is intact\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eOriginal and unopened instruction book in a brown envelope\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThree Packing lists in waxed envelopes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eThree marker plates in a small brown envelope\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eTwo envelopes containing Installation Accessories \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAccording to the \u003cem\u003eClydesdale Radio Man's Shop\u003c\/em\u003e Catalogue advert, (See images), the multiplier was frequently used in conjunction with the RCA ET-4336 Transmitter, (much loved by the BBC from the 1950s),  as a crystal controlled oscillator, straight amp or frequency multiplier to cover 2000-20,000 kcs. The crystal multiplier would have slotted into the ET-4336 about half way up the cabinet on the right hand side (see image).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlate: 150-200v 12.25 m.a\u003c\/li\u003e\n\u003cli\u003eScreen current: 2.5ma\u003c\/li\u003e\n\u003cli\u003eFilament: 6.3v\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA rare piece of military communication equipment history in amazing condition!\u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/vintage-military-radio-equipment\" target=\"_blank\"\u003evintage Military Radio Equipment\u003c\/a\u003e\u003c\/p\u003e","brand":"US Army","offers":[{"title":"Default Title","offer_id":44458549346561,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/DSC08612.jpg?v=1708355326","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/ww2-us-army-signal-corps-crystal-multiplier-mi-19468-for-an-et4336-transmitter-new-old-stock-in-its-original-box","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}