FIRE AND WATER ENGINEERING ESTABLISHED 1877 The oldest and largest journal devoted to Fire Protection and Water Supply MEMBER AUDIT BUREAU OF CIRCULATIONS ASSOCIATED BUSINESS PAPERS, INC. Subscription Rates, $3.00 a Year Canadian, $4.00 Foreign, $4.50 Published Every Wednesday By Fire and Water Engineering, Inc. 318-326 West 39th Street, New York Charles B. Hayward, President I. H. Case, Business Manager Karl M. Mann, Advertising Manager EDITORIAL DEPARTMENT Robert H. Lockwood ——Editor Frederick Shepperd —-Technical Editor K. S. McKay —–Associate Editor Chicago Office: 326 W. Madison St. – – George V. Carroll, Manager St. Louis Office: 603 Equitable Bldg. – – Oliver L. Marcks, Manager Cincinnati Office: 30 Opera Place – – – E. D. Sargent, Manager Cleveland Office: 1305 Union Nat’l Bank Bldg. – F. B. Wilson, Manager NEW YORK, WEDNESDAY, MAY 5, 1920