
Pair of bar magnets in box
1750-1795
1750-1795
1900-1910
1957
1700-1850
1876
1822-1856
1876
1900-1974
1954-1955
1996-1997
1980-1982
1966
1750-1800
1828-1857
1750-1780
1950-1980
1750
1940-1959
1972
circa 1997
circa 1997
1900
1851-1900
1876
circa 1997