Time Measurement
401-600
600 BCE
1607-1653
Navigation
1650-1665
1751-1800
Clockmakers
1625-1635
1588
Liverpool & Manchester Railway
1833
1000-800 BCE
1959 (designed); 2001(made)
1780-1880
1801-1866
1935-1958 (reproduction); 1055-1064 CE (original)
1568-1590
1730-1751
1678-1720
1601-1700
1701-1800
1636-1700
Astronomy
1720-1737
1601-1630
1623-1628
1734-1795
1960-1975
1790-1886
1732
1797-1843
Asian Medicine
1880-1910
1551
1587
1701
1738-1777
1589
1676-1725
1826-1860
1597
1550-1570
1698-1702
Collection Unassigned
1531-1570
350-250 BCE; 1945-1955