{"product_id":"wwii-1943-u-s-navy-rbw-2-panoramic-radio-adaptor-preliminary-manual-restricted","title":"WWII 1943 U.S. Navy RBW-2 Panoramic Radio Adaptor Preliminary Manual Restricted","description":"\u003cp\u003e\u003cspan\u003eOriginal \u003c\/span\u003e\u003cspan\u003eWorld War II U.S. Navy Preliminary Instruction Book for Navy Model RBW-2 Panoramic Radio Adaptor\u003c\/span\u003e\u003cspan\u003e, manufactured by \u003c\/span\u003e\u003cspan\u003ePanoramic Radio Corporation, New York, N.Y.\u003c\/span\u003e\u003cspan\u003e, and dated \u003c\/span\u003e\u003cspan\u003eJune 30, 1943\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe cover is marked \u003c\/span\u003e\u003cspan\u003eRESTRICTED\u003c\/span\u003e\u003cspan\u003e and identifies this as an early preliminary manual produced for the \u003c\/span\u003e\u003cspan\u003eU.S. Navy Department – Bureau of Ships\u003c\/span\u003e\u003cspan\u003e under contract \u003c\/span\u003e\u003cspan\u003eNXss-33781\u003c\/span\u003e\u003cspan\u003e. The pictured copy is also individually marked \u003c\/span\u003e\u003cspan\u003eSerial No. 109\u003c\/span\u003e\u003cspan\u003e, adding collector interest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe RBW-2 was a wartime \u003c\/span\u003e\u003cspan\u003epanoramic radio adaptor\u003c\/span\u003e\u003cspan\u003e, essentially an early spectrum-display\/spectrum-analysis device used with Navy radio receivers. Navy technical references list the RBW as a panoramic adapter and specifically identify the \u003c\/span\u003e\u003cspan\u003eRBW-2 \/ CPN-55090-A\u003c\/span\u003e\u003cspan\u003e as a Panoramic Radio Corporation unit with a \u003c\/span\u003e\u003cspan\u003e5.25 MHz IF input and 1 MHz sweep width\u003c\/span\u003e\u003cspan\u003e.\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eA surviving RBW-2 is held by the National Electronics Museum and described as an \u003c\/span\u003e\u003cspan\u003eRF spectrum analyzer\u003c\/span\u003e\u003cspan\u003e, underscoring the historical importance of this equipment in the development of spectrum-analysis technology.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDetails:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eModel: \u003c\/span\u003e\u003cspan\u003eNavy RBW-2\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eEquipment: \u003c\/span\u003e\u003cspan\u003ePanoramic Radio Adaptor\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eManufacturer: \u003c\/span\u003e\u003cspan\u003ePanoramic Radio Corporation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eDate: \u003c\/span\u003e\u003cspan\u003eJune 30, 1943\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eClassification: \u003c\/span\u003e\u003cspan\u003eRESTRICTED\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eSerial number: \u003c\/span\u003e\u003cspan\u003e109\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eContract: \u003c\/span\u003e\u003cspan\u003eNXss-33781\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eFrequency: \u003c\/span\u003e\u003cspan\u003e5.25 megacycles\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMaximum sweep width: \u003c\/span\u003e\u003cspan\u003e1 megacycle\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003ePower: \u003c\/span\u003e\u003cspan\u003e115\/230 volts, 50\/70 cycles\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#7\u003c\/span\u003e\u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":43459450732621,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/IMG-1381_07866af2-8894-4505-9b66-085d99df27f0.heic?v=1786453191","url":"https:\/\/whiskeyrebellionantiques.com\/products\/wwii-1943-u-s-navy-rbw-2-panoramic-radio-adaptor-preliminary-manual-restricted","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}