Document 3N7ZaQ5vd4Nqen0gYBGqN66MJ

r NEILER, RICH & CO. Electrical and Mechanical Engineers Consulting, Designing and Supervising Manhattan Bldg., Chicago, 111. JOHN E. PFEFFER Consulting Engineer Member A. S. M. E. ' Established 1903 Specializing in Heating and Combustion Gas--Oil and Electrical Systems Designs and Patents 308 W. Washington St. Chicago, 111. ROBERT P. SCHOENIJAHN, M.E. Consulting Engineer Industrial Trust Bldg., Wilmington, Del. JOHN M. SEWELL, R.E. Consulting Engineer 1822Ludlow St., Philadelphia,- Pa. MELVERN F. THOMAS, B.S. M.M.E. Consulting Engineer 229 College St., Toronto, Ont., Canada WALTER S. TIMMIS Consulting Engineer Mechanical Equipment. of Buildings, Vibration Tests and Reports 315 Fifth Ave., New York City PERRY WEST, M.E. Consulting Engineer 13 Central Ave., Newark, N. J. RAY S. M. WILDE f Engineer Mechanical Equipment for Buildings The Huron Bldg., Detroit, Mich. 268 . Catalog Data Section (Pages 270-524) with INDEX TO MODERN EQUIPMENT (Pages 509-521) and INDEX TO ADVERTISERS (Pages 522-524)