Honeywell T87
Honeywell T87 Round Thermostat wani ma'aunin zafi ne da Honeywell International, Inc. ta fara kera a shekarar 1953. Henry Dreyfuss ya tsara ma'aunin zafi bisa ga wani ra'ayi da injiniyan Honeywell Carl Kronmiller ya gabatar.
Nassoshi
[gyara sashe | gyara masomin]Hanyoyin haɗi na waje
[gyara sashe | gyara masomin]- "Honeywell Round Thermostat" a cikin MNopedia, Minnesota Encyclopedia