Honeywell T87

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Honeywell T87

Honeywell T87 is a thermostat that was first manufactured by Honeywell International, Inc. in 1953.[1] The thermostat was designed by Henry Dreyfuss, who based his design on a concept by Honeywell engineer Carl Kronmiller.[2]


  1. ^ Åström, Karl; Richard M. Murray (2008). Feedback systems: an introduction for scientists and engineers. Princeton University Press. p. 6. ISBN 0-691-13576-2. 
  2. ^ Popular Science Vol. 244, No. 4, p. 8. ISSN 0161-7370