HEATER, ENGINE-DRIVEN FAN, AND HOT-AIR DUCTS IN NO. 4 PLANT, MIDVALE STEEL COMPANY Courtesy of B. F. Sturtevant Company, Hyde Park, Massachusetts and Ventilation Engineering A General Reference Work ON HYDRAULICS, MUNICIPAL WATER SUPPLY, DOMESTIC HOT WATER SUPPLY, DISPOSAL SYSTEMS, HEATING AND VENTILATION, AND MAN- AGEMENT OF SANITARY ENGINEERING BUSINESS, INCLUDING MAKING ESTIMATES AND CONTRACTS Prepared by a Corps of SANITARY EXPERTS, CONSULTING ENGINEERS, AND SPECIALISTS OF THE HIGHEST PROFESSIONAL STANDING Illustrated with over One Thousand Engravings FOUR VOLUMES CHICAGO AMERICAN TECHNICAL SOCIETY 1919 |