just been inserted, thus allowing the other one “When leaks are discovered, they should be repaired and part of the bridge, with its railway track, is now to beremoved. It is now only necessary to cause the completed for a tota? length of 1,640 feet. The girders as soon as possible. piston to rise,… … RT through the same pipe, the collection of mud or sedi- its stroke; the cock, Q, that admits water is closed, and Wis ment in the rear end should a barisinserted in the hole, Fig. 3—ELEVATIONS THROUGH A, B, C, AND D. be often removed. M that succeeds the hole K. o DUNDEE “Raise the safety valves…
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