All cables are of galvanized steel and provided with open twin buckles. The main parts of the apparatus are of steel, and all pieces subject to wear and tear are fitted with bushes so formed that they can be easily replaced.
The quantity of suitable soil removed by these apparatus amounts to 350 cubic meters (12,360 square feet) per hour. Four plants of similar construction have been built for the new Baltic Sea Canal, besides a fixed elevator of the same power and disposition, with the exception that the top tumbler shaft was suspended at a height of 16.1 meters (51 ft. 10 in.) above the water line, and the dredge conduit placed at a distance of 13 meters (43 ft.) from it.
IMPROVED COLD IRON SAW.
