Note 47 — PART VII DUST AND FUME RECOVERY FLUES, CHAMBERS AND BAG-HOUSES
Reading edition
Engineering News, Nov 30, 1899, and U. S. Patent No. 665,250, Jan. 1 1901.
Reading edition
Engineering News, Nov 30, 1899, and U. S. Patent No. 665,250, Jan. 1 1901.