Munson				Munson Typewriter Co., Chicago
Models and s/n	Y	M	D	Remarks	Ref.
Munson 1				No housing around the machine
1400-5650	1890			Estimated from known serial numbers, suffix "G" is known to exist on a late Munson 1	-
Munson 2				Improved model with closed housing
7000-9850	ca. 1895			Estimated from known serial numbers	-
Munson 3
9650-11000	up to 1897			Estimated from known serial numbers	-
				In 1898 the production rights were sold to Edgar A. Hill, who founded the Chicago Writing Machines Co., Chicago. The machine was named Chicago then. Later the machine appeared under brandnames like Draper, Baltimore, Conover, Galesburg, Yale and Ohio