Scientific Smmcatu [January 28, 1893. 58 … should be heated to, between 350° and 400° DBILL CUTS IN SHAFT SHOWING THE Fig. 8.-STEAMEK UMBBIA- to 16 feet by pumping out the compart- Pah., for rolling or breaking down from the SECTION. ments. The increased draught will afford ingot to the best advantage. Like silver and in the open lakes…
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