FIRE ENGINEERING
“Leading the fire service since 1877”
250 Fifth Avenue, New York, NY 10001 (212) 481-5771
EDITORIAL STAFF
EDITOR
Thomas F. Brennan
MANAGING EDITOR William A. Manning
ASSISTANT EDITOR Sheila Smith
CONTRIBUTING EDITORS Gene Carlson Paul McFadden
Frank L. Fire Vincent Dunn
CONSULTING EDITORS Jack Bennett Francis L. Branmgan Hugh J. Caulfield Glenn P. Corbett
Wait Hendrick Charles G. King Edward J. McDonald Burton W. Phelps
PUBLISHER
Henry H. Dinneen
BUSINESS STAFF
BUSINESS MANAGER Daniel G. Smith
MARKETING SERVICES MANAGER Wendy Chusid
SALES COORDINATOR Kristiana Wistort
PRODUCTION MANAGER Mike Paxton, Tulsa
CIRCULATION SERVICES
Mike Blake, General Manager, Tulsa
Patsy Russo. Supervisor, Tulsa
ADVERTISING SALES
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PENNWELL PUBLISHING COMPANY
P.O. Box 1260 Tulsa. OK 74101 (918) 835-3161
CHAIRMAN Philip C. Lauinger, Jr.
PRESIDENT Joseph A. Wolking GROUP VICE PRESIDENT Joseph T. Bessette
SUBSCRIPTIONS: AH subscription correspondence shook) be addressed to Fire Engineering. P.O. Box 1289, Tuisa. OK 74101. or can 1 (800) 331-4463. A-tow 30 days for change of address. Please include both old and new addresses, and enclose. 1 possible, an address label from a recent issue. Rates for U.S. and possessions: 1 yr..
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FIRE ENGINEERING (ISSN 0015-2587), July 1988. Volume 141, Number 7. Published monthly by PennWeil Publishing Co.. 1421 S. Sheridan Rd., P.O. Box 1260. Tulsa OK 74101. Second-class postage paid a! Tulsa.
Excutive, editorial and advertising offices at 250 Fifth Ave.. .New York.. NY 10001. ‘Copyright 1988 by PennWeil Publishing Co. All rights reserved. Material may not be reproduced in any form without written permission of the publisher. Fire Engmee’ing is a registered trademark. POSTMASTER: Send address cnanges to Fire Engineering P.O. Box 1289. Tulsa. OK 74101.