{"product_id":"circular-c74-radio-instruments-measurements-us-dept-of-commerce-1937","title":"Circular C74 Radio Instruments Measurements US Dept of Commerce 1937","description":"\u003cp\u003eRadio Instruments and Measurements,\" a publication by the U.S. Department of Commerce, National Bureau of Standards. \u003c\/p\u003e\u003cp\u003eThe document is identified as Circular C74. \u003c\/p\u003e\u003cp\u003eIt was reproduced by the National Technical Information Service (NTIS). \u003c\/p\u003e\u003cp\u003eThe circular provides information on instruments and measurement methods used in radio work. \u003c\/p\u003e\u003cp\u003eVarious editions were published, with the second edition issued in 1924 and reprinted in 1937\u003c\/p\u003e","brand":"International Bookshelf","offers":[{"title":"Default Title","offer_id":45873212686393,"sku":"EB-117011878811","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/5751\/6601\/files\/57_d80b677c-9d5f-4926-818d-e99a818436c9.jpg?v=1779416189","url":"https:\/\/internationalbookshelf.com\/products\/circular-c74-radio-instruments-measurements-us-dept-of-commerce-1937","provider":"International Bookshelf","version":"1.0","type":"link"}