{"product_id":"marine-and-pocket-chronometers-9780887403033","title":"Marine and Pocket Chronometers","description":"\u003cp\u003eMarine and pocket chronometers  pocket watches with tourbillons or carousels form  in the large family of clocks  are a small group of very precisely running timepieces with little sensitivity to external influences  such as variations in temperature. Watch historian Hans van Bertele discusses the fascinating development and history of the chronometer  portrays the most important manufactures in short biographies  and reports on the great voyages of discovery in the 18th Century that proved the utility of the chronometer as a navigational instrument. The illustration section  divided into five sections on the basis of historical and technical standpoints  portrays some 350 items in the antique trade and at auctions or seen in private collections  with special emphasis placed on illustrations of their movements.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45665883324469,"sku":"ByrdShop_0887403034","price":213.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9780887403033.jpg?v=1782412460","url":"https:\/\/atxbooks.com\/products\/marine-and-pocket-chronometers-9780887403033","provider":"ATX Books","version":"1.0","type":"link"}