{"product_id":"vintage-brown-bakelite-rototherm-thermometer","title":"Vintage Brown Bakelite Rototherm Thermometer","description":"\u003ch1\u003eVintage Brown Bakelite Rototherm Thermometer\u003c\/h1\u003e\n\u003cp\u003eA Vintage Brown Bakelite Rototherm Thermometer, dating to the 1930s. It has a lovely face, with an easy to read dial showing the ‘freezing point’ temperature of 32 ºF, and measures from -20 to 140 ºF.\u003c\/p\u003e\n\u003cp\u003eMade by the British Rototherm Co. Ltd, London, England, Britsh Patent Number 378314: patent dating to 1932.\u003c\/p\u003e\n\u003cp\u003eA ‘must have’ item for the \u003cem\u003eman cave, she den\u003c\/em\u003e, study or office. It measures temperature in Fahrenheit and is encased in a Bakelite moulding, allowing it to display nicely on an office desk or mantelpiece.\u003c\/p\u003e\n\u003cp\u003eThe bimetallic thermometer is in perfect working order.  The brown bakelite is shiny with no chips, cracks or restoration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Dimensions\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlinth Depth: 7.5cm\u003c\/li\u003e\n\u003cli\u003ePlinth Length: 10.3cm (4″)\u003c\/li\u003e\n\u003cli\u003eHeight (Plinth and Thermometer): 9cm\u003c\/li\u003e\n\u003cli\u003eDiameter of thermometer face: 6cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullard-antiques-and-collectibles.myshopify.com\/collections\/meterological-weather\" target=\"_blank\" rel=\"noopener noreferrer\"\u003emeteorological and weather r\u003c\/a\u003eelated items.\u003c\/p\u003e\n\u003ch2\u003eBimetallic Thermometer\u003c\/h2\u003e\n\u003cp\u003eRototherm invented the bimetallic thermometer in 1934. The thermometer has a metal pointer that moves up and down a circular scale. The pointer is mounted on a coiled piece of metal called a bimetallic strip. The hotter the temperature, the more the bimetallic strip expands, and the more it pushes the pointer up the scale.\u003c\/p\u003e\n\u003cdiv class=\"sfsi_Sicons\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e","brand":"Rototherm","offers":[{"title":"Default Title","offer_id":36711225327765,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/products\/DSC02975_6c826b00-d26d-4dfe-90b8-c6e7820d5275.jpg?v=1601719348","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/vintage-brown-bakelite-rototherm-thermometer","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}