{"product_id":"original-wwii-sperry-microwave-transmission-design-data-manual-1944-confidential-w-declassification-letter","title":"Original WWII Sperry Microwave Transmission Design Data Manual – 1944 – Confidential w\/ Declassification Letter","description":"\u003cp\u003e\u003cspan\u003eOriginal WWII Sperry Microwave Transmission Design Data Manual – 1944 – Confidential w\/ Declassification Letter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOffered is an original WWII-era Sperry Gyroscope Company handbook titled “Microwave Transmission Design Data,” dated May 1944.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis manual covers the design and application of microwave transmission systems, including coaxial lines and waveguides—key technologies used in radar systems during World War II.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike basic training manuals, this is a high-level engineering reference, intended for advanced technical personnel working on radar and microwave systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOriginal “Confidential” classification marking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetailed engineering data on microwave transmission\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduced by Sperry Gyroscope Company (major WWII defense contractor)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes original Notice of Declassification document\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvenance tie to Bell Laboratories (received 1946)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis type of material was restricted during the war due to its importance in radar and communications development.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStrong original binding\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClean interior pages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLight exterior wear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes original declassification paperwork\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":42841443467341,"sku":null,"price":325.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/521EC951-B5E3-4971-92C2-A6C101913428.jpg?v=1775234647","url":"https:\/\/whiskeyrebellionantiques.com\/products\/original-wwii-sperry-microwave-transmission-design-data-manual-1944-confidential-w-declassification-letter","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}