Handbook of Railroad Construction; For the use of American engineers. / Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States.

by George L. Vose

Fig. 113, connection of land and water cables in Fribourg bridge.

Fig. 114.
Fig. 114 A.

Figs. 114, 114 A, fastening of cables at G, (fig. 105).

Fig. 115.

Fig. 115, Mr. Roebling’s pendulum connection for the cables of two adjacent spans.

BOILER PLATE BRIDGES.

Spans from 25 to 100 feet.

236. These structures fulfil every requirement of safe, durable, and rigid bridges; being open however to the contingency attendant upon all similar structures of wrought iron, namely, the becoming crystalline when exposed to vibration. Time only will show whether this is a sufficient cause for their non-adoption.