Originally published in 1875, this fascinating works will appeal greatly to any historian or civil engineer. Contents Include; I. Single Span Trusses, with Horizontal Chords, II. Single Span Trusses, with Inclined Chords, III. Continuous Girder of Two Spans, IV. Continuous Girder of Many Spans, V. Pivot Bridges or Draw Spans.....Many of the earliest books, particularly those dating back to the 1900's and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.