
Working model of the co-axial escapement built by George Daniels
1985
1985
1812
1601-1700
1830
circa 2010
1700-1725
1896
1685
1690
circa 2006
1879
1795
1660
circa 1808
1700-1725
1840
1625
1630
1785-1795
1864-1900
1890-1910
Unknown date
1880-1920
1601-1630
1870-1890
1870-1910
1861-1866
1725-1755
1771-1800
1750-1800
1860-1910
1601-1750
1901-1950
1600-1625
1880-1915
1871-1900
1920-1935
1890-1920
1857-1870
1880-1920
1851-1900
2005