{"product_id":"telegraph-testing-set-qty-1","title":"Telegraph testing set Qty 1","description":"\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003eKelvin \u0026amp; James White Ltd precision bridge instrument, Glasgow \u0026amp; London. A portable resistance bridge (Wheatstone-type) with galvanometer for accurately measuring electrical resistance in laboratories and cable testing. Housed in a polished wooden case with brass terminals and plug-in ratio arms, it reflects early 20th-century British scientific instrument craftsmanship. 1910s - 1930s.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eW16 x D17 x H13 cm.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReplacement value £450\u003c\/p\u003e","brand":"Kelvin \u0026 James White","offers":[{"title":"Default Title","offer_id":53135077114195,"sku":"TEL-767","price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/8674\/0307\/files\/telegraph_testing_set_electrical_scientific_Industrial_powerhouse_props_prop_rental_hire_vintage_movie_film_set_dec.jpg?v=1772278092","url":"https:\/\/powerhouseprops.co.uk\/products\/telegraph-testing-set-qty-1","provider":"Powerhouse Props","version":"1.0","type":"link"}