Chapter IV: ENGINEERING.--New Dredging Machinery.--The dredger Ajax,
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recently built in California.--Its dimensions and capacity. 1
illustration.
Reservoir Dams.--By DAVID GRAVELL.--The engineering details
of dams.--Typical masonry and earthwork dams of the world. 23
illustrations.
The Flexible Girder Tramway.--A new type of suspended railway--a
modification of the wire tramway system. 21 illustrations.
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Scientific American Supplement, No. 595, May 28, 1887Chapter IV: ENGINEERING.--New Dredging Machinery.--The dredger Ajax,
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