Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 511
Water culvert. New YorkSubway. 444 REINFORCED CONCRETE New York, has been accepted for the Memorial Bridge to crossthe Potomac River at Washington. A centre-draw span of 159 SLOPE OF GRAD£ _C_ r/W50 t BARS6C.rOC. … River des Peres Bridge, Forest Park, St. Louis. feet in steel is to be flanked on each side by three spans of re-inforced concrete, each of 192 feet. Th?se spans are ribbed EXPANSION JO/NTS 7//T/£f?ODS> 6oc.TOC. ,
Inventions · Inventors
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