FIRE ENGINEERING
250 Fifth Avenue • New York, NY 10001 (212) 481-5771
EDITORIAL STAFF
EDITOR Thomas F. Brennan
MANAGING EDITOR William A. Manning
ASSISTANT EDITOR Sheila Smith Noonan
CONTRIBUTING EDITORS
Gene Carlson
Paul McFadden
Frank L. Fire
Vincent Dunn
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 Henry H. Dmneen
BUSINESS STAR
BUSINESS MANAGER Daniel G. Smith
MARKETING SERVICES MANAGER_Wendy Chusid
SALES COORDINATOR Kristiono Wistort
PRODUCTION MANAGER Mike Poxton, Tulsa
CIRCULATION SBVKES
Mike Blake
General Manager, Tulsa
Patsy Russo
Supervisor, Tulsa
ADVERTISING SALES
NORTHEAST: Henry H. Dinneen, Publisher, 250 Fifth Ave., New York. NY 10001 (212) 481-5771
SOUTHEAST: Harry W. Dill, Regional Manager, 640⅛ 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., Chicogo, II60646 (312) 545-8621
WEST COAST AND SOUTHWEST Karl Keeler, Western Manager, 915 Stewarlon Woy, Glendale, CA 91207 (818) 500-0693
PENNWELL PUBLISHING COMPANY
P.O. Box 1260 • Tulsa, OK 74101 (918) 835-3161
CHAIRMAN Philip C. Loumger, Jr.
PRESIDENT_Joseph A. Wolkmg
GROUP VICE PRESIDENT Joseph T. Bessette
SUBSCRIPTIONS: All subscription correspondence should be oddressed to Fire Engineering, P.O. Box 1289, Tulsa, OK 74101, or call 1 (800; 627-3210. Allow X days for change of address. Please include both old and new addresses, and enclose, if possible, on address lobel from o recent issue. Rates for U.S. and possessions: 1 yr., $18.95, 2 yr. $30.95, 3 yr $42.95. Conada and other countries: 1 yr. $X.00,2 yr. $52.00, 3 yr. $68.00. Single copy US. $3.00, other countries $6.00.
FIRE ENGINEERING (ISSN 0015-2587;, November 1988, Volume 141. Number 11. Published monthly by PennWell Publishing Co., 1421 S. Sheridan Rd.. P.O. Box 1260, Tulsa. OK 74101. Second-class postage poid at Tulsa Executive, editorial, ond advertising offices at 250 Fifth Ave., New York, NY 10001. ‘Copyright 1988 by PennWell Pubhshmg Co. Ail rights reserved. Material may not be reproduced in any form without written permission of the publisher. Fire Engineering is a registered trademark.
POSTMASTER: Send address chonges to Fire Engineering, P.O. Box 1289, Tuiso, OK 74101