{"product_id":"electrical-potentiometer-qty-1","title":"Electrical potentiometer Qty 1","description":"\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003eCambridge Instrument Co. Ltd. Portable Potentiometer, England. A precision laboratory instrument designed for the accurate measurement and comparison of electrical potential using the potentiometric method. Used widely in electrical standards laboratories, calibration work, and scientific research, potentiometers of this type enabled highly accurate measurement of electromotive force without drawing current from the circuit under test. c.1920s–1940s.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eW27 x D21 x H20 cm.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReplacement value £300\u003c\/p\u003e","brand":"Cambridge Instrument Company","offers":[{"title":"Default Title","offer_id":53162585325907,"sku":"ELE-792","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/8674\/0307\/files\/potentiometer_electrical_scientific_Industrial_powerhouse_props_prop_rental_hire_vintage_movie_film_set_dec.jpg?v=1772613766","url":"https:\/\/powerhouseprops.co.uk\/products\/electrical-potentiometer-qty-1","provider":"Powerhouse Props","version":"1.0","type":"link"}