FIRE ENGINEERING
Park 80 West Plaza Two, 7th Floor Saddle Brook, NJ 07662 Tel. (201) 845-0800 Fax (201) 845-6275
EDITOR William A. Manning
MANAGING EDITOR Diane Feldman SENIOR EDITORIAL
ASSISTANT John J, Napolitono
TECHNICAL DIRECTOR Thomas F. Brennan
EDITORIAL ADVISORY BOARD
Jack Bennett Frank L. Fire
Francis L. Brannigan Gerald L. Grey
Rand-Scott Coggan Francis X. Holl
Glenn P. Corbett Richard A. Marinucci Ricky Davidson John Mittendorf
Ray Downey John B. Sachen
Vincent Dunn_Ed Spahn
COLUMNISTS
Francis L. Brannigan Frank L. Fire
Thomas F. Brennan John M. Molecky
Gene P. Carlson Richard A. Marinucci Roy Downey_Curl Weldon
PUBUSHER Henry H. Dinneen
DIRECTOR OF
BOOK PUBUSHINO Daniel G. Smith PRODUCTION
MANAGER_Mike Paxton, Tulso
ADVERTISING
COORDINATOR Audrey l. Dombrowski
FEATURE DESIGN_Steve Hetzel
CIRCULATION SERVICES, TULSA
Lorry Lofton Patsy Russo
Circulation Mgr. 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
SENIOR GROUP
VICE PRESIDENT Joseph T. Bessette
SUBSCRIPTIONS! All subscription correspondence should be oddressed to 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 and new oddresses, ond enclose, if possible, on oddress label from o recent issue. Rates for U.S. ond possessions: 1 yr. $21.95, 2 yr. $35.95, 3 yr. $49.95. Conodo 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.
Rtf ENGMERMO {ISSN 0015-2587), is published monthly by PennWell Publishing Co., 1421 S. Sheridan, Tulso, OK 74112. December 1990, Volume 143, Number 12. Second-class postage paid ot Tulso ond additional mailing offices. Executive, editorial, ond advertising offices at Pork 80 West, Plaza Two, 7th Floor, Saddle Brook, NJ 07662. ^Copyright 1990 by PennWell Publishing Co. All rights reserved. Material may not be reproduced in ony form without written permission of the publisher. Fire Engineering is o registered trademark.
POSTMASTER: Send oddress changes to Fire Engineering, P.O. Box 1289, Tufsa, OK 74101.
