Steelyard, the so-called opium scales in violin-shaped case
1880-1920
1880-1920
1-79 CE; before 1914
1800-1899
1900
1870-1920
1762
1951
1600-1799
1800-1899
1700-1799
1700-1799
1900-1910
1826-1838
1917
1500-1599
1840-1850
1436
1960-1970
1845-1870
1804-1822
1826-1844
1910-1950
1775
1845-1871
1835-1842
1780-1799
1790-1797
1740-1760
1600-1900
1753-1754
1785-1801
1836-1870
1600-1699
1826-1830
1810
1875-1900
1965
1753-1754
1910-1930
1831-1870