be tically watertight, when shut down. which he is constructing, and very wisely, for the rea- 87.50 meters depth of water stored behind the dam. son that he proposes to protect these ideas by means In the case of the fifty sluices at 92 meters river- Twenty-five will have their sills at 92 meters… … SLUICE lock gates" ONE OF THE 180 SLUICE GATES FOR A FRAME FOR THE NILE The Russian Ministry of Ways and Com- THE NILE DAM. GATES. — ■ -♦< >■>■«■ munications appointed a special commission Lieut. E. P. Bertholf, who was sent to to discuss the project brought forward by a syndicate Siberia last…
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