{"product_id":"antique-field-pocket-microscope-no-40-bausch-lomb-optical-co-u-s-a","title":"Antique Field Pocket Microscope No 40 Bausch \u0026 Lomb Optical Co. U.S.A.","description":"\u003cp\u003e\u003cspan face=\"Arial\" style=\"font-size: 1.6em;\"\u003eScarce example of brass pocket drum microscope model 40 \u003cspan\u003emade Bausch \u0026amp; Lomb Optical Co Rochester NY USA  in mid 1920's. The microscope is made of brass and has nice black enameled finish. Is a push and pull draw tube type microscope with magnification range between 60-250 power and fine focus made by the central focusing ring. The instrument collapses in a in a very compact size from 9 inches height open to 5 1\/4 inches x 2 3\/4 inches x 2 inches. The microscope has a nice patina and the only missing part is the mirror. The device comes with a leather pouch. Excellent display item !!!    \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Explorer Antiques","offers":[{"title":"Default Title","offer_id":48348819194043,"sku":null,"price":395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1746\/2265\/files\/FullSizeRender_40bed95c-5176-496f-bcfa-93102ce12909.heic?v=1789093533","url":"https:\/\/www.explorerantiques.com\/de\/products\/antique-field-pocket-microscope-no-40-bausch-lomb-optical-co-u-s-a","provider":"Explorer Antiques","version":"1.0","type":"link"}