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How To Date Your Keuffel & Esser (K&E) Instruments:
Updated K&E Serial Number List:
|
Number - Year |
Number - Year |
Number - Year |
|
300 – 1885 |
32000 – 1916 |
95157 – 1947 |
|
375 – 1886 |
34000 – 1917 |
100673 – 1948 |
|
450 – 1887 |
35500 – 1918 |
106129 – 1949 |
|
600 – 1888 |
38000 – 1919 |
109345 – 1950 |
|
900 – 1889 |
41000 – 1920 |
111643 – 1951 |
|
1300 – 1890 |
42500 – 1921 |
115855 – 1952 |
|
1600 – 1891 |
44000 – 1922 |
125639 – 1953 |
|
1900 – 1892 |
45000 – 1923 |
131000 – 1954 |
|
2200 – 1893 |
47000 – 1924 |
153000 – 1955 |
|
2600 – 1894 |
49000 – 1925 |
144946 – 1956 |
|
2800 – 1895 |
50298 – 1926 |
151292 – 1958 |
|
3000 – 1896 |
52340 – 1927 |
162078 – 1959 |
|
3200 – 1897 |
53719 – 1928 |
168372 – 1960 |
|
3500 – 1898 |
55547 – 1929 |
171200 – 1961 |
|
4000 – 1899 |
56286 – 1930 |
172786 – 1962 |
|
4500 – 1900 |
59445 – 1931 |
176000 – 1963 |
|
4900 – 1901 |
60409 – 1932 |
180000 – 1964 |
|
6000 – 1902 |
61387 – 1933 |
191700 – 1965 |
|
7000 – 1903 |
61700 – 1934 |
194000 – 1966 |
|
8500 – 1904 |
62579 – 1935 |
200050 – 1967 |
|
10000 – 1905 |
65559 – 1936 |
200700 – 1968 |
|
11000 – 1906 |
66660 – 1937 |
213500 – 1969 |
|
12500 – 1907 |
68540 – 1938 |
220000 – 1970 |
|
15000 – 1908 |
69311 – 1939 |
222812 – 1971 |
|
19000 – 1909 |
71770 – 1940 |
225624 – 1972 |
|
21000 – 1910 |
74258 – 1941 |
228436 – 1973 |
|
23000 – 1911 |
78373 – 1942 |
301827 – 1974 |
|
26000 – 1912 |
80892 – 1943 |
375218 – 1975 |
|
28000 – 1913 |
84100 – 1944 |
448609 – 1976 |
|
29000 – 1914 |
89827 – 1945 |
522000 – 1977 |
|
30500 - 1915 |
91535 – 1946 |
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