American Tool Works Co.
This serial number data is from the Serial Number Reference Book for Metalworking Machinery (1959 & 1983 editions).
| Serial No. | Type | Machine Description | Date |
| 51335 | All Machines | All Machines | Dec 1920 |
| 52051 | All Machines | All Machines | Dec 1921 |
| 52634 | All Machines | All Machines | Dec 1922 |
| 53565 | All Machines | All Machines | Dec 1923 |
| 54171 | All Machines | All Machines | Dec 1924 |
| 54714 | All Machines | All Machines | Dec 1925 |
| 55550 | All Machines | All Machines | Dec 1926 |
| 56211 | All Machines | All Machines | Dec 1927 |
| 57020 | All Machines | All Machines | Dec 1928 |
| 58164 | All Machines | All Machines | Dec 1929 |
| 58777 | All Machines | All Machines | Dec 1930 |
| 58983 | All Machines | All Machines | Dec 1931 |
| 59015 | All Machines | All Machines | Dec 1932 |
| 59107 | All Machines | All Machines | Dec 1933 |
| 59279 | All Machines | All Machines | Dec 1934 |
| 59597 | All Machines | All Machines | Dec 1935 |
| 60267 | All Machines | All Machines | Dec 1936 |
| 60859 | All Machines | All Machines | Dec 1937 |
| 61066 | All Machines | All Machines | Dec 1938 |
| 62097 | All Machines | All Machines | Dec 1939 |
| 63236 | All Machines | All Machines | Dec 1940 |
| 64690 | All Machines | All Machines | Dec 1941 |
| 67243 | All Machines | All Machines | Dec 1942 |
| 67938 | All Machines | All Machines | Dec 1943 |
| 68773 | All Machines | All Machines | Dec 1944 |
| 69421 | All Machines | All Machines | Dec 1945 |
| 70214 | All Machines | All Machines | Dec 1946 |
| 70985 | All Machines | All Machines | Dec 1947 |
| 71597 | All Machines | All Machines | Dec 1948 |
| 71868 | All Machines | All Machines | Dec 1949 |
| 72233 | All Machines | All Machines | Dec 1950 |
| 72716 | All Machines | All Machines | Dec 1951 |
| 73327 | All Machines | All Machines | Dec 1952 |
| 74015 | All Machines | All Machines | Dec 1953 |
| 74387 | All Machines | All Machines | Dec 1954 |
| 74750 | All Machines | All Machines | Dec 1955 |
| 75328 | All Machines | All Machines | Dec 1956 |
| 75800 | All Machines | All Machines | Dec 1957 |
| 76000 | All Machines | All Machines | Dec 1958 |
| 76210 | All Machines | All Machines | Dec 1959 |
| 76492 | All Machines | All Machines | Dec 1960 |
| 76747 | All Machines | All Machines | Dec 1961 |
| 76920 | All Machines | All Machines | Dec 1962 |
| 77135 | All Machines | All Machines | Dec 1963 |
| 77465 | All Machines | All Machines | Dec 1964 |
| 77732 | All Machines | All Machines | Dec 1965 |
| 78113 | All Machines | All Machines | Dec 1966 |
| 78453 | All Machines | All Machines | Dec 1967 |
| 78545 | All Machines | All Machines | Dec 1968 |
| 78691 | All Machines | All Machines | Dec 1969 |
| 78879 | All Machines | All Machines | Dec 1970 |
| 79131 | All Machines | All Machines | Dec 1971 |
| 79240 | All Machines | All Machines | Dec 1972 |
| 79565 | All Machines | All Machines | Dec 1973 |
| 79741 | All Machines | All Machines | Dec 1974 |
| 79985 | All Machines | All Machines | Dec 1975 |
| 80214 | All Machines | All Machines | Dec 1976 |
| 80289 | All Machines | All Machines | Dec 1977 |
| 80310 | All Machines | All Machines | Dec 1978 |
| 80497 | All Machines | All Machines | Dec 1979 |
| 80695 | All Machines | All Machines | Dec 1980 |
| 80769 | All Machines | All Machines | Dec 1981 |
| 80798 | All Machines | All Machines | Dec 1982 |
Information Sources
- Serial Number Reference Book for Metalworking Machinery, by the Industrial Publishing Corp., 1959 & 1983