erage material, requiring four 14-inch steel the mineral resulting from the disintegration of soft rock. It is easily carried in suspension by running water, and so cables for its operation, wound on two 60-inch drums, the main hoisting engine being an 18x 24-inch double cylinder is found at the… … Special suction heads are sometimes used for handling such slippery material, so designed that the mud is ploughed up: and enclosed on top and sides; then water is supplied by Being more or less pasty in nature, the particles stick to one artificial means only in suffhcient quantities to make it…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
