{"product_id":"9781879335349","title":"American Engineer's and Surveyor's Instruments: W. and L. E. Gurley 1874 Manual and Catalog","description":"\u003cp\u003eThe manuals published by W. \u0026amp; L.E. Gurley, one of America's leading producers of mathematical and scientific instruments, have been used by generations of engineers and surveyors. In this manual Gurley describes all of its various instruments: how they are calibrated, used and maintained, and includes a catalog of its complete instrument line. This 1874 edition is especially valuable since it is one of the earliest and is rarely found. With an introduction by David C. Garcelon.\u003c\/p\u003e","brand":"Astragal Press","offers":[{"title":"Default Title","offer_id":47039549800688,"sku":"9781879335349","price":16.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781879335349_p0.jpg?v=1769895260","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781879335349","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}