{"product_id":"8-7-26-telegraph-works-silvertown-london","title":"Telegraph Works Galvanometer, c.1920","description":"\u003cp\u003eFor single current type ( 22ohms) with 2 brass terminals, 4 quadrant scale 0-90, and compass type pointer. It would have been used by engineers testing lines for the Post Office in conjunction with a Wheatstone Bridge. British made, circa 1920.\u003c\/p\u003e\n\u003cp\u003eSigned 'Teleworks, Silvertown London, No. 2752'.\u003c\/p\u003e\n\u003cp\u003eNo-Serial Model Featured in the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/collection.powerhouse.com.au\/object\/262383\" title=\"https:\/\/collection.powerhouse.com.au\/object\/262383\" target=\"_blank\"\u003ePowerhouse Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDiameter: 9 cm\u003c\/p\u003e\n\u003cp\u003eDepth:  5 cm\u003c\/p\u003e\n\u003cp\u003eWeight: 1 lb. 8.7 oz. \u003c\/p\u003e","brand":"Taylor Haus Galleries","offers":[{"title":"Default Title","offer_id":54944416039211,"sku":"GLV0002","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/1863\/0443\/files\/42B25075-40F6-46E1-AFB1-57808F7E3D0A.jpg?v=1786195121","url":"https:\/\/taylorhausgalleries.com\/fr-ca\/products\/8-7-26-telegraph-works-silvertown-london","provider":"Taylor Haus Galleries","version":"1.0","type":"link"}