footballpaster.blogg.se

1976: Coaxial escapement mechanism invented by George Daniels (1926–2011).1955: First accurate atomic clock invented by Louis Essen (1908–1997).1923: Self-winding watch invented by John Harwood (1893–1964).1761: First true Marine chronometer perfected by John Harrison (1693–1776).1755: Lever escapement, the greatest single improvement ever applied to pocket watches, invented by Thomas Mudge (1715–1794). 1726: Gridiron pendulum invented by John Harrison (1693–1776). 1722: Grasshopper escapement invented by John Harrison (1693–1776) Harrison created the H1, H2, H3 & H4 watches (to solve the longitude measurement problem).

1657: Balance spring added to balance wheel by Robert Hooke (1635–1703). 1657: Anchor escapement probably invented by Robert Hooke (1635–1703). Anglo-Saxon times: type of candle clock invented by Alfred the Great (849–899).1813: Ironstone china invented by Charles James Mason (1791–1856).1770s: Jasperware developed by Josiah Wedgwood (1730–1795).Frye's rivals at Chelsea porcelain factory. 1710–1762), of Bow porcelain factory, London. 1748: Fine porcelain developed by Thomas Frye (c.1930s onwards: Developments in dairy farming systems pioneered by Rex Paterson (1902–1978).1901: First commercially successful light farm- tractor invented by Dan Albone (1860–1906).1850s: Steam-driven ploughing engine invented by John Fowler (1826–1864).