{"product_id":"gears-from-the-greeks-the-antikythera-mechanism-a-calendar-computer-from-ca-80-b-c-transactions-american-philosophical-society-vol","title":"Gears from the Greeks: The Antikythera Mechanism -- A Calendar Computer from Ca. 80 B.C., Transactions, American Philosophical Society (Vol.","description":"Contents: Discovery of the Antikythera shipwreck; Discovery of and research on the mechanism fragments, 1902-73; The casing, general construction, and dial work; The arrangement of the plates and components of the mechanism; The door plates and orientation and use of the mechanism; The accuracy of gear teeth numbers; Description of individual gears and gear trains; The inscriptions; The Antikythera mechanism as an historical document; The early history of gearing and clockwork; and The invention of complicated clockwork and the differential gear. App.: Composition of the metal fragments (contrib. by Earle Caley and Cyril Smith); and Tech. note on radiography of fragments. Illus.\u003cbr\u003e","brand":"American Philosophical Society Press","offers":[{"title":"Default Title","offer_id":50846289297682,"sku":"9780871696472","price":77.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_dc0baea4-1e3d-4a4a-b1eb-d1d95fb7e00e.jpg?v=1737361786","url":"https:\/\/surprise-castle.myshopify.com\/products\/gears-from-the-greeks-the-antikythera-mechanism-a-calendar-computer-from-ca-80-b-c-transactions-american-philosophical-society-vol","provider":"Surprise Castle","version":"1.0","type":"link"}