Merz
				Merzwerke, Gebr. Merz, Frankfurt a. M., Germany
Models and s/n	Y	M	D	Remarks	Ref.
Portable
Model 1
up to 25000	1926				7,13
Model 2
up to 75000	1927				7,13
20000	1928				7,13
Model 3 (Universal)
up to 36000	1929			Simplex Model: only single colour ribbon	7,13
44000	1930			Standard Model: column setting	7,13
54000	1931				7,13
58000	1932				7,13
60000	1933				7,13
62000	1934			Production ended 1939	7,13