FIRE ENGINEERING
250 Fifth Avenue New York, NY 10001 Tel. (212) 481-5771 Fax (212) 725-3654
EDITOR
Thomas F. Brennan
MANAGING EDITOR William A. Manning
ASSISTANT EDITOR Diane Feldman CONTRIBUTING EDITORS
Gene Carlson Ray Downey Vincent Dunn Frank L. Fire Francis X. Holt
Richard A. Marinucci . Paul McFadden Robert Obermayer Ed Spahn Curt Weldon
CONSULTING EDITORS
Jack Bennett Walt Hendrick
Francis l. Brannigan Charles G. King
Hugh J. Caulfield Edward J. McDonald Glenn P. Corbett Burton W. Phelps
Gerald L. Grey
FIATVRE DESIGN
Steve Hetzel
ILLUSTRATION
Arthur Arias
PUBLISHER
Henry H. Dinneen
DIRECTOR OF
BOOK PUBLISHING Daniel G. Smith ADVERTISING
COORDINATOR Denise M. Kissock
PRODUCTION
MANAGER_Mike Paxton, Tulsa
CIRCULATION SERVICES, TULSA
Larry Lofton Patsy Russo
Circulation Mgr. Mgr. Poid Circulation
PENNWELL PUBLISHING COMPANY
P.0. Box 1260 • Tulsa, OK 74101 (918) 835-3161
CHAIRMAN
Philip C. Louinger, Jr.
PRESIDENT
Joseph A. Wolking
GROUP
VICE PRESIDENT Joseph T, Bessette
HmCMPTIONS: All subscription correspondence should be addressed to Fire Engineering, P.0. Box 1289, Tulsa. OK 74101, or call 1 (800) 752-9768. Allow 30 days for change of oddress. Please include bath old and new addresses, and enclose, if possible, on address label from a recent issue. Rates for U.S. and possessions: 1 yr. $21.95, 2 yr. $35.95, 3 yr. $49.95. Canada and other countries: 1 yr. $34.50,2 yr. $59.50, 3 yr. $78.50. Single copy U.S. $3.50, other countries $7.00.
rm MOMHRMO (ISSN 0015-2587), is published monthly by PennWell Publishing Co.. 1421 S. Sheridan, Tulsa, OK 74112. June 1990, Volume 143, Number 6. Second-class postage paid at Tulsa. Executive, editorial, and advertising offices at 250 Fifth Ave., New Yod, NY 10001. 1990 by PennWeil Publishing Co. All rights reserved. Material may not be reproduced in any form without written permission of the publisher. Fire Engineering is a registered trademod.
POSTMASTER: Send oddress changes to Fire Engineering, P.O. Box 1289, Tuba, OK 74101.
