FIRE ENGINEERING
250 Fifth Avenue New York, NY 10001 (212) 481-5771
EDITORIAL STAFF
EDITOR Thomos F. Brennon
MANAGING EDITOR William A. Monning
ASSISTANT EDITOR Sheila Smith Noonon
CONTRIBUTING EDITORS
Gene Carlson
Paul McFadden
Frank L. Fire
Vincent Dunn
Ray Downey
CONSULTING EDITORS
Jack Bennett
Francis L. Brannigan
Hugh J. Caulfield
Glenn P. Corbett
Walt Hendrick
Charles G. King
Edward J. McDonald
Burton W. Phelps
PUBLISHER
H. Dinneen
BUSINESS STAFF
BUSINESS MANAGER
Daniel G. Smith
MARKETING SERVICES MANAGER
Wendy Chusid
ADVERTISING COORINATOR
Denise M. Kissock
PRODUCTION MANAGER
Mike Poxton, Tulsa
CIRCULATION SERVICES
Mike Bloke General Manager, Tulsa Patsy Russo Supervisor, Tulsa
ADVERTISING SALES
NORTHEAST: Henry H. Dinneen, Publisher, 250 Fifth Ave., New York, NY 10001 (2121481-5771
SOUTHEAST: Horry W. Dill, Regional Manager, 6406 Carmel Rd., Suite 308, P.O. Box 2347, Charlotte, NC 28226 (704) 542-8893
MIDWEST: Don Johnson, Al Gravenhorst, Gravenhorst & Assoc. Inc., 5901 N. Cicero Ave., Chicago, IL 60646 (312) 545-8621
WEST COAST AND SOUTHWEST: Karl Keeler, Western Manager, 915 Stewarton Way, Glendale, CA 91207 (818) 500-0693
PENNWELL PUBLISHING COMPANY P.O. Box 1260 • Tulsa, OK 74101 (918) 835-3161
CHAMMAN Philip C. Lauinger, Jr.
PRESIDENT Joseph A. Wolking
GROUP VICE PRESIDENT Joseph T, Bessette
SUBSCRIPTIONS: All subscription correspondence should be addressed to Fire Engineering, P.O. Box 1289, Tulsa, OK 74101, or call 1 (800) 627-3210. Allow 30 days for change of address. Please include both old and new addresses, and enclose, if possible, on address label from a recent issue. Rates for U.S. and possessions: 1 yr., $18.95, 2 yr. $30.95, 3 yr. $42.95. Conoda and other countries: 1 yr. $30.00,2 yr. $52.00, 3 yr. $68.00. Single copy U.S. $3.00, other countries $6.00.
FIRE ENGINEERING ISSN 0015-2587], is published monthly by PennWell Publishing Co., 1421 S. Sheridan, Tulsa, OK 74112. February 1989, Volume 142, Number 2. Second-class postage paid at Tuiso. Executive, editorial, and advertising offices at 250 Fifth Ave., New York, NY 10001. Copyright 1989 by PennWell Publishing Co. All rights reserved. Material may not be reproduced in any form without written permission of the publisher. Fire Engineering is a registered trademark.
POSTMASTER: Send oddress changes to Fire Engineering, P.O. Box 1289, Tulsa, OK 74101.