{"product_id":"vintage-frahm-frequency-meter-380-420-cycles-james-biddle-co-philadelphia","title":"Vintage FRAHM Frequency Meter 380-420 Cycles-James Biddle Co. Philadelphia","description":"\u003cp\u003e\u003cspan\u003eOffered here is an original vintage FRAHM Frequency Meter, manufactured by James G. Biddle Co., Philadelphia, U.S.A. This is a classic early-to-mid 20th century electrical measuring instrument, commonly used in industrial, power generation, and military applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese meters were designed to measure frequency (cycles per second) and are especially associated with early AC power systems and military\/radio equipment, making them highly collectible today.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\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\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMaker: FRAHM (James G. Biddle Co., Philadelphia)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eType: Frequency Meter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage Rating: 100–150 Volts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency Range: 380–420 Cycles Per Second\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay: Mechanical vibrating reed scale (visible through window)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting: Panel mount with original housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMarkings: Clearly labeled with manufacturer and patent number (147274)\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 \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAppears to be in good original vintage condition\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFace is clean and legible with light age toning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHousing shows expected wear consistent with age (see photos)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUntested – sold as a display\/collector piece or for restoration\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 \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHistorical \u0026amp; Collector Notes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrahm frequency meters are iconic instruments used in early electrical\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":42792105574477,"sku":null,"price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/12498601-0CC8-4617-B72A-4C2C00582E1F.jpg?v=1773857956","url":"https:\/\/whiskeyrebellionantiques.com\/products\/vintage-frahm-frequency-meter-380-420-cycles-james-biddle-co-philadelphia","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}