Letter to Mr. Pearsall from S.J. Nelson, VP of the Commercial Division of Honeywell Inc., informing Statitrol that the agreeement between the two companies is voidable if Statitrol does not receive approval from Underwriter's Laboratories for the self-switching ionizaiton fire detectors.
(1967). Letter to Duane Pearsall from S.J. Nelson Re: Voiding of the agreement between Statitrol and Honeywell. .
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