Addendum to the Agreeement made between Lyman Blackwell and Statitrol on April 3, 1970, concerning batter and line powered residential and commercial fire detectors which include a battery failure circuit and a duo-centric chamber configuration.
'Use of the Duane D. Pearsall Papers Digital Collection is restricted under the "fair use" clause of the Copyright Law (Title 17, United States Code).
The images and documents in this collection are available for the sole purpose of private study, research, and/or scholarship.
Anyone wishing to use the images for commercial purposes, publication, or any purchase outside of "fair use" must obtain written permission from the WPI Archives & Special Collections.
For further information, please contact:
WPI Archives & Special Collections
George C. Gordon Library
100 Institute Road
Worcester, MA 01609
(1974). Addendum to Agreement between Blackwell and Statitrol Re: Battery and Line Powered Residential and Commercial Fire Detectors. .
Retrieved from: https://digitalcommons.wpi.edu/ms055-02-0005/1