Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 56
Queen-post truss.DE, HO, queen-posts. … Upper part of a roof truss.Interborough Power House, New York. imagine a creek flowing between walls spanned by DCMH; thattruss and a mate to it, parallel at a distance of say ten feet, wouldeasily carry a roadway and give us a bridge. A truss for a bridge 22 FORM-BRIDGES must be much stronger than…
Inventions · Inventors
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