{"product_id":"building-huge-concrete-locks-at-gatun-panama-april-2-1910-scientific-american","title":"Building Huge Concrete Locks At Gatun Panama - April 2, 1910 Scientific American","description":"\u003cfont rwr=\"1\" style=\"font-family:Arial\" size=\"4\"\u003e\u003cheader\u003e\u003cheader\u003e\u003cheader\u003e\u003cbr\u003e\t\t\t\t\u003ch2 class=\"book-title\"\u003e\u003cspan itemprop=\"name\"\u003eSCIENTIFIC AMERICAN - \u003cbr\u003eORIGINAL, 3 PAGES WITH STORY \u0026amp; 8 PRINTS - \"BUILDING THE HUGE \u003cbr\u003eCONCRETE LOCKS AT GATUN PANAMA\" - APRIL 2, 1910\u003c\/span\u003e\u003c\/h2\u003e\n\u003cspan itemprop=\"description\"\u003ePIX OF VARIOUS SIZES SHOW: 1. DRAWING OF PLAN AND SECTIONS OF \u003cbr\u003eGATUN LOCKS. - 2. AN 18-FOOT CONDUIT FOR EMPTYING AND FILLING THE LOCKS.\u003cbr\u003e - 3. GENERAL VIEW OF MIDDLE LOCK. - 4. BUILDING THE HUGE CONCRETE LOCKS\u003cbr\u003e AT GATUN, PANAMA. - 5. STEEL FORMS IN PLACE FOR BUILDING CENTER WALL. -\u003cbr\u003e 6. A COMPLETED SECTION OF SIDE WALL. - 7. PORTION OF CONCRETE CORE \u003cbr\u003eWALL, MIRAFLORES DAM. - 8. SECTIONS OF EASTERLY SIDE WALL, UPPER LOCK.\u003c\/span\u003e\t\t\t\u003c\/header\u003e\u003cspan itemprop=\"description\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\t\t\t\u003c\/header\u003e\u003cspan itemprop=\"description\"\u003e\u003c\/span\u003e\t\t\t\u003c\/header\u003e\u003cbr\u003e\u003c\/font\u003e \u003cbr\u003eListed with ExportYourStore.com","brand":"JULIAN'S BOOKS","offers":[{"title":"Default Title","offer_id":44872826388711,"sku":"275485448776_60CC","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/0333\/0791\/files\/57_4ffe4817-1c6c-4fe7-abdf-6fff6d496485.jpg?v=1738318584","url":"https:\/\/rare-book-dealers.com\/products\/building-huge-concrete-locks-at-gatun-panama-april-2-1910-scientific-american","provider":"JULIAN'S BOOKS","version":"1.0","type":"link"}