Reference:
Hardy Rod Manufacturing Dates

(These are approximate)

he numbering system is arcane, but there is a system to it. After 1965, the '?' is substituted by a letter representing the month in which the rod was made.

 

Jan F July G
Feb B August H
Mar C September J
Apr D October K
May E November L
Jun F December N

So a rod made in March 1966 would be identified by the letters C/A, and one made in March 1986 as 1 C/A.

Year Serial No. Year Serial No. Year Serial No.
1890-1891 13452-17196 1925 D5932-D7375 1961 H35184-H48465
1892 17197-19000 1925 E1045-E2030 1962 H48466-H52737
1893 19001-21660 1926 E2031-E5882 1963 H52738-H58199
1894 21661-27498 1927 E5883-E9435 1964 H58200-H62932
1885 27499-31705 1928 E9436-E13508 1965 H62933-H69100
1896 31706-34956 1929 E13509-E17685 1966 ?/A
1897 34957-40187 1930 E17868-E20904 1967 ?/S
1898 40188-43929 1931 E20905-E22530 1968 ?/J
1899 43930-49019 1932 E22531-E25275 1969 ?/B
1900 49020-55066 1933 E25276-E28278 1970 ?/K
1901 55067-59440 1934 E28279-E31422 1971 ?/Z
1902 59441-95552 1935 E31423-E35277 1972 ?/O
1903 95553-101390 1936 E35278-E39798 1973 ?/C
1904 101391-101679 1937 E39799-E45714 1974 ?/Y
1904 A1028-A5631 1938 E45175-E49492 1975 ?/L
1905 A5632-A12935 1938 E45175-E49492 1976 ?/D
1906 A12936-A19313 1939 E49493-E52331 1977 ?/X
1907 A19314-A27256 1940 E52332-E53644 1978 ?/M
1908 A27257-A35341 1941 E53645-E55130 1979 ?/Q
1909 A35342-A44905 1942 E55131-E56090 1980 ?/H
1910 A44906-A55752 1943 E56091-E56399 1981 ?/V
1911 A55753-A66152 1944 E56400-E56855 1982 ?/E
1912 A66153-A76109 1945 E56856-E57900 1983 F/W
1913 A76110-A86335 1946 E56901-E60708 1984 ?/G
1914 A86338-A94721 1947 E60709-E63386 1985 ?/T'?'
1915 A94722-A100041 1948 E63387-E67200 1986 1 ?/A
1916 A100042-A1000158 1949 E67201-E70990 1987 1 ?/S
1916 B1021-B7889 1950 E70991-E75100 1988 1 ?/J
1917 B7890-B12146 1951 E75101-E81000 1989 1 ?/B
1918 B12147-B16425 1952 E81001-E86200 1990 1 ?/K
1919 B16426-B23556 1953 E86201-E91000 1991 1 ?/P
1919 C11-C186 1954 E91001-E96202 1992 1 ?/O
1920 C187-C10405 1955 H101-H4600 1993 1 ?/C
1921 C10406-C16732 1956 H4601-H10121 1994 1 ?/Y
1922 C16733-C25725 1957 H10122-H14127 1995 1 ?/L
1922 D171-D2041 1958 H14128-H20678 1996 1 ?/D
1923 D2042-D3399 1959 H20679-H27533 1997 1 ?/X
1924 D3400-D5930 1960 H27535-H35183 1998 1 ?/M

 

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