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
CONTRIBUTING EDITORS
Gene Carlson
Paul McFadden
CONSULTING EDITORS
Jack Bennett
Francis L. Brannigan
Hugh J. Caulfield
Glenn P. Corbett
PUBLISHER
Henry H. Dinneen
BUSINESS STAFF
BUSINESS MANAGER
Daniel G. Smith
Frank L. Fire
Vincent Dunn
Walt Hendrick
Charles G. King
Edward J. McDonald
Burton W. Phelps
MARKETING SERVICES MANAGER
Wendy Chusid
SALES COORDINATOR
Kristiana Wistort
PRODUCTION MANAGER
Mike Paxton. Tulsa
CIRCULATION SERVICES
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
6406 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., Chicago, IL 60646
(312) 545-8621
WEST COAST AND SOUTHWEST
Karl Keeler, Western Manager
915 Stewarton Way, Glendale, CA 91207
(818) 500-0693
PENNWELL PUBLISHING COMPANY
P.O. 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.O. Box 1289. Tulsa. OK 74101. or call 1 (800) 331-4463. Allow 30 days for change of address Please include both old and new addresses, and enclose, if possible, an address label from a recent issue. Rates for U.S. and possessions: 1 yr., $18.95. 2 yr. S30.95, 3 yr. $42.95 Canada and other countries. 1 yr $30.00. 2 yr $52.00. 3 yr. $68.00. Single copy U.S. $3.00. other countries $6.00.
FIRE ENGINEERING (ISSN 0015-2587) September 1988. Volume 141. Number 9. Published monthly by PennWell Publishing Co.. 1421 S. Shertdan Rd., P.O. Box 1260. Tulsa, OK 74101 Second-class postage paid at Tulsa Executive, editorial, and advertising offices at 250 Fifth Ave. New York. NY 10001. Copyright 1988 by PennWell Publishing Co All 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 changes to Fire Engineering. P.O. Box 1289, Tulsa OK 74101.