The Free On-line Dictionary of Computing (30 December 2018):
A US company known for its mainframes and
The company's history is long and tortuous, with many mergers,
acquisitions and name changes. A company formed on 1886-04-23
to make furnace regulators eventually merged in 1927 with
another company formed in 1904 by a young plumbing and heating
engineer named Mark Honeywell who was perfecting the heat
A 1955 joint venture with Raytheon Corp., called Datamatic
Corporation, marked Honeywell's entry into the computer
business. Their first computer was the D-1000. In 1960
Honeywell bought out Raytheon's interest and the name changed
to Electronic Data Processing (EDP) then in 1963 it was
officially renamed Honeywell Inc.
In 1970 Honeywell merged its computer business with General
Electric's to form Honeywell Information Systems. In 1986 a
joint venture with the french company Bull and japanese NEC
Corporation created Honeywell Bull. By 1991 Honeywell had
withdrawn from the computer business, focussing more on
CII Honeywell was an important department. Honeywell
operating systems included GCOS and Multics.
See also: brain-damaged.