| Groma | |||||
| Maschinenfabrik G.F. Grosser, Markersdorf, Germany | |||||
| Since 1945: VEB GROMA Schreibmaschinen, Markersdorf, GDR | |||||
| Models and s/n | Y | M | D | Remarks | Ref. |
| Standard manual | |||||
| Model K | |||||
| up to 79000 | 1924 | 9 | |||
| 83999 | 1926 | 6,7,9 | |||
| 94000 | 1928 | 6,7,9 | |||
| 100000 | 1930 | 6,7,9 | |||
| 105000 to 106000 | 1932 | 6,7,9 | |||
| Model S | |||||
| up to 112000 | 1934 | 9 | |||
| 114000 | 1936 | 6,7,9 | |||
| 118000 | 1937 | 9 | |||
| 125000 | 1938 | 9 | |||
| 132000 | 1939 | 9 | |||
| 138000 | 1940 | 9 | |||
| 139000 | 1941 | 9 | |||
| Simplex | |||||
| up to 115000 | 1937-1939 | 6,7 | |||
| Portable | |||||
| Models N, T, and E | |||||
| started with 200000 | 1938 | Model N, T and E started 1938, consecutively numbered through all models | 6,13 | ||
| up to 218500 | 1940 | 6,7,13 | |||
| 2225000 | 1941 | 6,13 | |||
| 233000 | 1942 | 13 | |||
| 243000 | 1943 | 13 | |||
| 252000 | 1944 | 13 | |||
| 254000 | 1945 | 13 | |||
| 255000 | 1946 | 13 | |||
| 256000 | 1947 | 13 | |||
| 259000 | 1948 | 13 | |||
| 264000 | 1949 | 13 | |||
| 269000 | 1950 | 13 | |||
| 284000 | 1951 | 13 | |||
| 292000 | 1952 | 13 | |||
| 310000 | 1953 | Model E production ended | 13 | ||
| Gromina | |||||
| over 500000 | 1951 | 6,13 | |||
| up to 502000 | 1952 | 13 | |||
| 508000 | 1953 | 13 |