This section is from "Scientific American Supplement". Also available from Amazon: Scientific American Reference Book.
We give illustrations from Engineering of a bridge recently constructed across the Indus River at Attock, for the Punjaub Northern State Railway. This bridge, which was opened on May 24, 1883, was erected under the direction of Mr. F.L. O'Callaghan, engineer in chief, Mr. H. Johnson acting as executive engineer, and Messrs. R.W. Egerton and H. Savary as assistants.

BRIDGE OVER THE RIVER INDUS AT ATTOCK: PUNJAUB NORTHERN STATE RAILWAY, INDIA.
The principal spans cover a length of about 1,150 feet. It will be seen from the diagram that there is a difference of nearly 100 feet in the levels of high and low water.
 
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