{"product_id":"coffret-ancien-d-essai-optique-lentilles-d-opticien","title":"Antique optical testing kit \"Optician's Lenses\"","description":"\u003cp data-start=\"54\" data-end=\"798\"\u003e An antique optician's professional kit containing a large set of trial lenses mounted in metal frames, used to determine patients' visual correction. The lenses are classified by graduated powers and separated into concave and convex lenses, as indicated by the metal plates \"CONCAVE\" and \"CONVEXES.\" This type of kit was used in opticians' offices and by ophthalmologists to manually assemble lens combinations during eye examinations, before the widespread use of modern phoropters. The set is presented in a compartmentalized wooden box with central graduations, typical of professional optical equipment from the first half of the 20th century.\u003c\/p\u003e\n\n \u003cp data-start=\"800\" data-end=\"1071\"\u003e✦ Origin: Professional optician's equipment\u003cbr data-start=\"848\" data-end=\"851\"\u003e ✦ Estimated period: Circa 1930-1950\u003cbr data-start=\"885\" data-end=\"888\"\u003e ✦ Dimensions: 25 x 23 x 5.5 cm\u003cbr data-start=\"919\" data-end=\"922\"\u003e ✦ Material: Wood, metal and glass\u003cbr data-start=\"954\" data-end=\"957\"\u003e ✦ Condition: Good used condition, complete case with numerous lenses, signs of age on the wood and some rims. No glasses.\u003c\/p\u003e\n\n\u003cp data-start=\"1073\" data-end=\"1240\"\u003e Superb antique scientific instrument evoking the world of optics and medicine, ideal for a collection of medical instruments or a cabinet of curiosities.\u003c\/p\u003e","brand":"Brocante Jolbro","offers":[{"title":"Default Title","offer_id":53509588156749,"sku":null,"price":129.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1049\/5053\/files\/20260309_183401.jpg?v=1773128422","url":"https:\/\/brocantejolbro.com\/en\/products\/coffret-ancien-d-essai-optique-lentilles-d-opticien","provider":"Brocante Jolbro","version":"1.0","type":"link"}