Honeywell T87
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Honeywell_round_thermostat.jpg/220px-Honeywell_round_thermostat.jpg)
The Honeywell T87 Round Thermostat is a thermostat that Honeywell International, Inc. first manufactured in 1953.[1] Henry Dreyfuss designed the thermostat based on a concept by Honeywell engineer Carl Kronmiller.[2]
References
- ^ Åström, Karl; Richard M. Murray (2008). Feedback Systems: An Introduction for Scientists and Engineers. Princeton University Press. p. 6. ISBN 978-0-691-13576-2.
- ^ "Corrections". Popular Science. Vol. 244, no. 4. April 1994. p. 8. ISSN 0161-7370.