high pressure, enter, PORTABLE WINCH. terial, forcing all the lighter stuff gradually to the The transfer of heavy material along the low, nar- by way of pipe A, the separating chamber B. The gas top and this, of course, is allowed to run down the row drifts of a mine may be greatly facilitated by… … carried off through the pipe G to the suction IN TWO TRUNKS. PORTABLE WINCH FOR USE IN MINES.
Supplement · Curtiss · Concrete · Newcomb · Machine · American supplement · Scientific American · Rapid transit · Float chamber · American supplements · Variable numbers · Fourth dimension · Seedless dates · Siphon tube · Three dimensions
Internet Archive · Public domain (published before 1931). Free to use for anything.
