{"product_id":"vintage-sperry-gyroscope-microwave-transmission-design-data-engineering-manual-publication-no-23-80-wwii-era","title":"Vintage Sperry Gyroscope “Microwave Transmission Design Data” Engineering Manual – Publication No. 23-80 – WWII Era","description":"\u003cp\u003e\u003cspan\u003eOriginal \u003c\/span\u003e\u003cspan\u003eSperry Gyroscope Company\u003c\/span\u003e\u003cspan\u003e engineering reference manual titled \u003c\/span\u003e\u003cspan\u003e“Microwave Transmission Design Data” (Publication No. 23-80)\u003c\/span\u003e\u003cspan\u003e. This hardbound technical manual was produced for engineers working on microwave transmission and radar systems during the WWII\/postwar period. The front cover bears the original \u003c\/span\u003e\u003cspan\u003e“CONFIDENTIAL”\u003c\/span\u003e\u003cspan\u003e marking, and the included declassification notice states the publication was later declared \u003c\/span\u003e\u003cspan\u003eUnclassified\u003c\/span\u003e\u003cspan\u003e by authority of the War and Navy Departments and the U.S. Patent Office.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso included is the original declassification notice showing receipt by \u003c\/span\u003e\u003cspan\u003eBell Laboratories, Department 1650, January 11, 1946\u003c\/span\u003e\u003cspan\u003e, adding excellent historical provenance and appeal to collectors of military electronics, radar development, Bell Labs, and Cold War-era technical publications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eOriginal Sperry Gyroscope Company publication\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eTitle: \u003c\/span\u003e\u003cspan\u003eMicrowave Transmission Design Data\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003ePublication No. 23-80\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eOriginal burgundy hardbound cover\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eOriginal “CONFIDENTIAL” cover marking\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eIncludes original declassification notice\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eBell Laboratories received stamp dated \u003c\/span\u003e\u003cspan\u003eJanuary 11, 1946\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eExcellent reference for radar, microwave engineering, and military technology collectors\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eGood vintage condition with normal shelf and edge wear\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFREE SHIPPING\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e#5\u003c\/span\u003e\u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":43357632397389,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/IMG-1182.heic?v=1785759107","url":"https:\/\/whiskeyrebellionantiques.com\/products\/vintage-sperry-gyroscope-microwave-transmission-design-data-engineering-manual-publication-no-23-80-wwii-era","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}