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
Glenn P. Corbett
Edward J. McDonald
Burton W. Phelps
Geraid L. Grey
FUTURE DESIGN
Steve Hetzel
ILLUSTRATION
Arthur Arias
PUBLISHER
Henry H. Dinneen
DIRECTOR OF BOOK PUBLISHING
Daniel G. Smith
ADVERTISING COORDINATOR
Denise M. Kissack
PRODUCTION MANAGER
Mike Paxton, Tulsa
CIRCULATION SERVICES, TULSA
Larry Lofton Circulation Mgr.
Patsy Russo Mgr. Paid Circulation
PENNWELL PUBLISHING COMPANY
P.0. Box 1260 • Tulso, OK 74101 (918) 835-3161
CHAIRMAN
Philip C. Louinger, Jr.
PRESIDENT
Joseph A. Wolking
GROUP
VICE PRESIDENT
Joseph T. Bessette
SUBSCRIPTIONS: All subscription correspondence should be addressed lo Fire Engineering, P.0. Box 1289, Tulso, OK 74101, or coll 1 (800; 752-9768. Allow 30 doys for change of address. Pleose include both old ond new addresses, ond enclose, if possible, on address label from a recent issue. Rotes for U.S. ond possessions: 1 yr. $21.95, 2 yr. $35.95, 3 yr. $49.95. Canodo ond other countries: 1 yr. $34.50,2 yr. $59.50, 3 yr. $78.50. Single copy U.S. $3.50, other countries $7.00.
FIRE ENGINEERING (ISSN 0015-2587], is published monthly by PennWell Publishing Co., 1421 S. Sheridan, Tulso, OK 74112. July 1990, Volume 143, Number 7. Second-doss postage paid at Tulso. Executive, editorial, ond advertising offices at 250 Fifth Ave„ New York, NY 10001. Copyright 1990 by PennWell Publishing Co. All rights reserved. Materiol may net be reproduced in any form without written permission of the publisher. Fire Engineering is o registered trademark.
POSTMASTER: Send oddress changes to Fire Engineering, P.O. Box 1289, Tulso, OK 74101.
