TOLL ——eee NEW SERIES. VOL. VIL---NO. 7. … close to pulverize the salt, and then this portion also Improved Salt Evaporator. mass by evaporation, a current is maintained back- falls through the walk, A, into the bins below. The accompanying engraving represents a building ward, and when the brine reaches the rear end of the It will be…
Internet Archive · Public domain (published before 1931). Free to use for anything.