FIRE ENGINEERING
250 Fifth Avenue New York, NY 10001 (212) 481-5771
EDITORIAL STAR
EDITOR
Thomas F. Brennan
MANAGING EDITOR
Williom A. Manning
ASSISTANT EDITOR
Sheilo Smith Noonon
CONTRIBUTING EDITORS
Gene Carlson
Paul McFadden
Frank l. Fire
Vincent Dunn
Ray Downey
CONSULTING EDITORS
Jock Bennett
Francis L. Brannigan
Hugh J. Caulfield
Glenn P. Corbett
Wolf Hendrick
Charles G. King
Edward J. McDonald
Burton W. Phelps
PUBLISHER
H, Dinneen
BUSINESS STAFF
BUSINESS MANAGER
Daniel G. South
MARKETING SERVICES MANAGER
Wendy Chusid
ADVERTISING
M. Kissock
PRODUCTION MANAGER
Mike Ponton, Tulso
CIRCULATION SERVICES
Mike Bloke
General Manager, Tulso
Patsy Russo Supervisor, Tulsa
ADVERTISING SALES
NORTHEAST: Henry H. Dinneen, Publisher, 250 Fifth Ave., Nev. 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, Grovenhorst & Assoc. Inc., 5901 N. Cicero Ave., Chicogo, IL 60646 (312! 545-8621
WEST COAST AND SOUTHWEST Karl Keeler, Western Manager, 915 Steworion Way, Glendale, CA 91207 (818) 500-0693
PENNWELL PUBLISHING COMPANY
P.O. Box 1260 • Tulsa, OK 74101 (918! 835-3161
CHAIRMAN
C. Loumger, Jr.
PRESIDENT
A. Wolking
GROUP VICE PRESIDENT
Joseph T. Bessette
SUBSCRIPTIONS: Ail subscription correspondence should be addressed to Fire Engineering, P.O. Box 1289, Tulso, OK 74101, or coil 1 (800; 627-3210. Allow 30 days for change of address. Pleose include both oid and new addresses, and enclose, if possible, an address label from a recent issue. Rates for U S. and possessions: 1 yr. S18.95, 2 yr. $30.95, 3 y’. $42.95. Conoda ana other counties: 1 yr. $30.00,2 yr. $52.00, 3 vr. $68.00. Single copy U$. $3.00. other countries $6.00.
FREE ENGINEERiNG SSN 0015-2587 December 1988 Volume 141, Number 12. Published monthly by PennWe’l Publishing Co., 1421 S. Sheridan Rd., P.O. Box 1260, Tulsa, OK 74101. Second-cicss postage paid at Tulso. Executive, editorial, ond advertising offices ot 250 Fifth Ave., New York, NY 10001. ‘Copyright 1988 by PennWeil Publishing Co. Ai rights reserved. Material may not be reproduced m any form without written permission of the publisher Fire Enginee-mg is a registered trodemori.
POSTMASTER: Send address chonges to Fire Engc needng, P.O. Box 1289. Tulsa. OK 74101.
