1986 advert for the Honeywell Bull office computer.

Honeywell came into being through the invention of the damper flapper, a thermostat for coal furnaces, by Albert Butz, in 1885 and subsequent innovations in electric motors and process control by Minneapolis Heat Regulator Company tracing back to 1886. In 1906, Mark C. Honeywell founded Honeywell Heating Specialty Co., Inc. in Wabash, Indiana. Honeywell’s company merged with Minneapolis Heat Regulator Company in 1927. The merged company was called the Minneapolis-Honeywell Regulator Company. Honeywell was its first president, W.R. Sweatt its first chairman.
History

Honeywell came into being through the invention of the damper flapper, a thermostat for coal furnaces, by Albert Butz, in 1885 and subsequent innovations in electric motors and process control by Minneapolis Heat Regulator Company tracing back to 1886. In 1906, Mark C. Honeywell founded Honeywell Heating Specialty Co., Inc. in Wabash, Indiana.

Honeywell’s company merged with Minneapolis Heat Regulator Company in 1927. The merged company was called the Minneapolis-Honeywell Regulator Company. Honeywell was its first president, W.R. Sweatt its first chairman.

Info taken from Wikipedia