|
| |
Manufacture Dates For Class 20-30 Typewriters
| Year |
Serial Start - 20-30 |
| 1928 |
1231863 |
| 1929 |
1319274 |
| 1930 |
1416607 |
| 1931 |
1466212 |
| 1932 |
1498990 |
| 1933 |
1518405 |
| 1934 |
A18973 |
| 1935 |
A66515 |
| 1936 |
A115072 |
| 1937 |
A181674 |
| 1938 |
A255816 |
| 1939 |
A282972 |
| 1940 |
A335337 |
| 1941 |
A388652 |
| 1942 |
A481059 |
| 1943 |
A526983 |
| 1944 |
A549549 |
| 1945 |
A581123 |
| 1946 |
A623623 |
| 1947 |
A679059 |
| 1948 |
A766700 |
| 1949 |
A879426 |
| 1950 |
A996412 |
| 1951 |
B83781 |
| 1952 |
B215737 |
| 1953 |
H3850D |
| 1954 |
H6401D |
| 1955 |
H7423D |
Courtesy of the Charles Babbage Institute, University of Minnesota,
Minneapolis
|
