FIRE ENGINEERING
250 Fifth Avenue, New York, NY 10001 (212) 481-5771
EDITORIAL STAFF
EDITOR
Thomas F. Brennan
MANAGING EDITOR Gloria Sturzenacker
ASSISTANT EDITOR Sheila Smith
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. Dinneen
BUSINESS STAFF
BUSINESS MANAGER Daniel G. Smith
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 Engineertng. P.O. Box 1289, Tulsa. OK 74101. Allow 30 days lor change of address. Please include both old and new addresses, and enclose, if possible, an address label from a recent issue. Rates lor U S. and possessions: 1 yr-. S18.95, 2 yr. $30.95, 3 yr. $42.95. Canada and other countrtes: 1 yr. $30.00, 2 yr. $52 00, 3 yr. $68.00. Single copy U S. $3.00, other countrtes $6.00
FIRE ENGINEERING (ISSN 0015-2587). April 1988, Volume 141, Number 4. Published monthly by PennWell Publishing Co.. 1421 S. Sheridan Rd.. P.O. Box 1260, Tulsa, OK 74101. Second-class postage paid at Tulsa. Executive, editortal. and advertising offices at 250 Fifth Ave.. New York. NY 10001. ‘Copyright 1988 by PennWell Publishing Co. All rights reserved. Materta! may not be reproduced in any form without written permission ol the publisher. Fire Engineertng is a registered trademark.
POSTMASTER: Send address changes to Fire Engineering. P.O. Box 1289, Tulsa, OK 74101.
