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The Grasshopper Clock
H.17" (43CM) W.11.5" (29.5CM) D.8.25 (21CM)
The Grasshopper Clock is based on the 'escapement' invented by the famous clock maker John Harrison (1693-1776). Harrison made the first marine chronomter that made it possible for seafarers to calculate their longitude position by observing the stars. This enabled them to compare the angle of their postion with the known angle at a given time in Greenwich, London.Examples of his work are exhibited at The Old Royal Observatory.The pendulums are inter-linked so that any motion to one would be compensated for by that same effect on the other. This was particularly important for the operation of such a clock subject to motion, for example the roll of a ship.The 8 day movement is fusee-driven,gold plated and protected by a Glass cover.The dials are etched and Silver plated.The seconds are inticated by the 180' scale above the dial
Very Limited availabity
NOT AVAILABLE
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