Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.
Construction of Parallel Wire Cables for Suspension Bridges.

Construction of Parallel Wire Cables for Suspension Bridges.

Trenton, New Jersey: John A. Roebling's Sons Company, 1925. Paperback. Fascinating work on wire cable construction of suspension bridges, with a detailed photographic study of 68 plates showing each step of construction of the Bear Mountain Bridge, which spans the Hudson River from Bear Mountain in the west bank to Anthony's Nose on the east, at the entrance to the Hudson Highlands.

The bridge opened to traffic on November 26, 1924, and all the cable wire for the two main cables and the steel wire ropes for the foot bridges and suspenders were made by Roebling's.

The 68 full page photographic plates show pier foundations under construction; excavation for anchorage pits; interior view of rock chamber for anchorage; tower nearing completion; foot bridge ropes ready to be towed across river; partial completion of foot bridges; reels of Roebling bridge wire at the ready; men adjusting the guide wires in order to spin the first set of strands; men spinning four strands; clamping of wires around anchorage shoes; compacting of strands in circular sections; views showing deflection of main cables; anatomy of one of the great supporting cables; rugged road construction cut into the side of "Anthony's Nose"; men in squeezing gangs at work atop the bridge; cables completed, with erection of superstructure under way; suspenders in place; etc. With text pertaining to the Bear Mountain Bridge's construction.

Sml folio, 23pp, charts, 69 b&w plates. Dark green gilt embossed pictorial stiff paper wraps. Some slt toning to right hand edges of stiff paper wraps only, otherwise bright and clean. Very good overall. Item #24465

Price: $375.00

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