Set of Gramme Weights for analytical balance.
1870-1876
1870-1876
1831-1870
1950-1955
1890
1831-1870
1950-1955
1950-1970
1870
1950-1955
1950-1970
1950-1970
1840-1870
1874-1876
1949
1977
1882
1860-1876
1922-1928
1963
1955-1965
1860-1876
circa 1950
1939-1945
1960-1983
1831-1870
1986
1950-1955
1992
1950s
1897-1898
1909
1986
1950-1970
1934-1935
1909