Transactions . Diam. of discharge DUFF BLOWER 3 19H 7 5H 4 26>i 8 ^H 5 34% 11 8K 6 41% 12 9>^ 7 46^ 14 11 8 57^ 15 12 10 65% 17K 13 12 75H 19K 15 14 mi 21H 17K 18 111 23 23 Fig. 25.—Blower data, gas producers. GAS-PRODUCER PRACTICE AT WESTERN ZINC PLANTS. FiG. 26.—Details of steam blower, Hughes producer.

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries