FIRE AND WATER ENGINEERING ESTABLISHED 1877 The Only Journal Covering the Fundamentally Related Fields of Fire Protection and Water Supply MEMBER AUDIT BUREAU OF CIRCULATIONS ASSOCIATED BUSINESS PAPERS, INC. Subscription Rates, $4.00 a Year Canadian, $5.00 Foreign. $6.00 Published Every Wednesday By FIRE AND WATER ENGINEERING. INC. 318-326 West 39th Street, New York Charles B. Hayward, President I. Herbert Case, General Manager Robert H. Lockwood Editor Karl M. Mann, Advertising Manager FI. S. Essex, Asst. Advertising Manager NEW YORK, WEDNESDAY, JULY 25, 1923 Index to Volume LXXIII. The index to Volume LXXIII, FIRE AND WATER ENGINEERING, ending with the June 27, 1923, issue, is now off the press and will he mailed to subscribers and readers desiring a copy on request.