Hartnell, K.
view article (9.58703)
Product Profile--The HART System for Protecting EDP Equipment.
Hartnell Microelectronics Ltd.
Fire Surveyor,
Vol. 18,
No. 6,
27-29,
December 1989
Hartnell, K.
view article (9.58703)
VESDA (Very Early Smoke Detection Apparatus)--Air Sampling Smoke Detecting System.
Hartnell Alarm Control Ltd., Wallsend, England
University of Edinburgh. Recent Developments in Fire Detection and Suppression Systems. (With Additional Papers From a Course of the Same Title--July 8-9, 1987). November 10-12, 1986,
Edinburgh, Scotland,
42 p.,
1987