level. For the most part, the filling-in was effected with rubble masonry set in 4 to 1 cement mortar. At these points, however, where the talus Excavating 390,000 Cubic Yards of loose Rock, and Gravel from the River Bed, Preparatory to was more than 10 feet in thickness, the proportion of Building… … the construction of a heavy talus or apron in masonry, Testing a Portion of the New Protecting Apron Below the Dam. JNote the Violence With Which the extending from the foot of the dam to a point some Water Rushes Through the Sluiceways. The whole of this masonry was then faced with squared,…
Apparatus · Automobile · Cement · Water · Engine · Gyrostat · Scientific American · Piston · York city · Years ago · River bed · Gas engine · Cubic feet · Touring car · Gliding boat · American june · Square feet
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