{"product_id":"a-john-sheldon-letter-scale-c1845","title":"An unusual John Sheldon letter scale. c1845","description":"\u003cp\u003eAn unusual base metal container with a fitted, sprung scale in order to weigh letters to assess the cost for postage.\u003cbr\u003eIt is stamped on the engine turned holder 'John Sheldon' and has a diamond shaped mark (lozenge) with the copyright date letter for the year 1845 which protected the design for three years. \u003c\/p\u003e\n\u003cp\u003eOnce the case is opened there's a little metal tab on the scale section which you pull down and then you can flick out the gripper for the letter.\u003c\/p\u003e\n\u003cp\u003eThis version has an unusual scale from 7 1\/2 g to 60g. The earlier ones tend to have the cost 1d , 2d etc. which corresponds to that weight.\u003c\/p\u003e\n\u003cp\u003eClosed 7cm long.\u003c\/p\u003e\n\u003cp\u003eIn excellent condition.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eStock no.  LP21\u003c\/p\u003e","brand":"Curio Cabinet Antiques","offers":[{"title":"Default Title","offer_id":47667996885149,"sku":"LP21","price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/2855\/1303\/files\/lp21-sheldon-pocket-letter-scale-_6.jpg?v=1771663811","url":"https:\/\/curiocabinetantiques.com\/en-au\/products\/a-john-sheldon-letter-scale-c1845","provider":"Curio Cabinet Antiques","version":"1.0","type":"link"}