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
Jock Bennett
Francis L. Brannigan
Hugh J. Caulfield
Glenn P. Corbett
Gerald L. Grey
Walt Hendrick
Charles G. King
Edward J. McDonald
Burton W. Phelps
FEATURE DESIGN Steve Hetzel
ILLUSTRATION Arthur Arias
PUBUSHER Henry H. Dinneen
DIRECTOR OF BOOK PUBUSHINO Daniel G. Smith
ADVERTISING COORDINATOR Denise M, Kissock
PRODUCTION MANAGER_Mike Paxton, Tulsa
CIRCULATION SERVICES, TULSA
Larry Lofton
Circulation Mgr.
Patsy Russo
Mgr. Paid Circulation
PENNWELL PUBLISHING COMPANY P.0. Box 1260 • Tulsa, OK 74101 (918) 835-3161
CHAIRMAN 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.0. Box 1289, Tulsa, OK 74101, or coll 1 (800) 752-9768. Allow 30 days for change of address. Please include both old and new addresses, and enclose, if possible, on address lobe! from o recent issue. Roles for U.S. and possessions: 1 yr. $21.95, 2 yr. $35.95, 3 yr. $49.95. Conodo 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.
(ISSN 0015-258?,, is published monthly by PennWell Publishing Co., 1421 S, Sheridan, Tulsa, OK 74112. Februory 1990, Volume 143, Number 2. Second-class postage paid ot Tulsa. Executive, editorial, and advertising offices at 250 Fifth Ave., New York NY 10001. ‘Copyright 1989 by PennWell Publishing Co! All rights reserved. Materia! may not be reproduced in any form without written permission of the publisher, fire Engineering is a registered trademark.
POSTMASTER: Send oddress chonges to Fire Engineering, P.O. Box 1289, Tulsa, OK 74101.
