... chamber, about 10 feet square and 20 feet long, discharges the gases to the condenser at 250Ad C. The draw pit of the furnace is equipped to deliver preheated air to the fire box. ... near the top shows when the ore has reached this height and so controls the drawing. A diagram of the furnace and pit is given in Figure 44.
Title | : | Quicksilver |
Author | : | Curt Nicolaus Schuette |
Publisher | : | - 1931 |
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