staff
RICHARD PRATT SYLVIA
Editor
JERRY W. LAUGHLIN
Associate Editor
DOROTHY P. FERGUSON
Managing Editor
ELIZABETH CRIDLAND
Assistant Managing Editor
ROLLIN NELSON
Art Director
JOAN NITSCHKE
Production Manager
RAYMOND J. CASTELLANOS
Circulation Manager
JOSEPH F. COSGROVE
Publisher
CONTRIBUTING EDITOR
Hugh Maguire
CORRESPONDENTS
Robert Burns, Eastern
R.L. Nailen, Midwestern
David R. Frazier, Intermountain West
Cliff Dektar, Pacific Coast
Paul C. Ditzel, Pacific Coast
Robert Swan, Pacific Coast
Donal Baird, Canadian
FIRE ENGINEERING (ISSN 00152587), July, 1981, Vol. 134, No 7. Member, American Business Press and Audit Bureau of Circulations. Published monthly by Technical Publishing, a Company of the Dun & Bradstreet Corporation. James B. Tafel, Chairman, John K. Abely, President. EXECUTIVE. EDITORIAL AND ADVERTISING OFFICES: 666 Fifth Avenue, New York, N. Y. 10103. Printed in Easton, Pa. 18042.
Subscriptions: Solicited only from paid or volunteer. Federal, state, county and local fire officials, including military and Industrial fire protection engineers and consultants. Publisher reserves the right to refuse nonqualified subscriptions. Address correspondence regarding subscriptions, including change of address, to: FIRE ENGINEERING. 666 Fifth Avenue, New York, N. Y. 10103 Please include your zip code and, in case of change of address, a copy of old address label. Single copy price: $2.50. Directory issue $3,50. Subscription rate for those in field of publication: U.S. and Canada: $12.95 a year. $21.00 for two years. $29.00 for three years Foreign: $27.00 a year. $49.00 for two years. $65.00 for three years Single copy price $5.00. Directory issue $7.00. Second class postage paid at New York, N. Y. 10001, and at additional mailing office. Printed in US A. Trademark* in U.S. Patent office. ® Copyright 1980 by Technical Publishing, a Division of Dun-Oonnelley Publishing Corporation, a Company of the Dun & Bradstreet Corporation. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical, including photocopying, recording or by any information storage retrieval system without written permission of the copyright owner. Prices for bulk reprints of articles available on request.
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Technical Publishing
DB a company of The Dun & Bradstreet Corporation
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