A Gravity Tower clock, Fritz Ziegeler, Melbourne, the painted cast iron clock housed in a brick surround, gravity escapement, 125 cm high, 46 cm wide, 60 cm deep. Other Notes: Johann Frederick Wilhelm Ziegeler was born in Hanover, Germany in 1855. He completed an apprenticeship in scientific instrument trade and subsequently spent the following years travelling and working around Europe, where he spent time working for Messrs. T Cook & Sons, clockmakers in York, England, in 1888, Ziegeler decided to immigrate to Australia, where he was engaged by Mr Newman, a well-known leading Melbourne clockmaker, after two years under Newman's direction, Ziegeler started his own business, specializing in the manufacture of large clocks, in fact many of his clocks grace the buildings of Melbourne. He later retired in 1923.
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- Gravity Escapement - An escapement is a mechanical component that controls the movement of the clock's wheels and provides a regular ticking sound as the clock runs. In a gravity escapement, the pendulum's swinging motion is used to drive the escapement mechanism, which is responsible for the regular, ticking sound heard in a pendulum clock. The escapement mechanism consists of two pallets, or locking arms, which alternately lock and release the escape wheel, a toothed wheel that rotates in small increments with each tick of the clock.
As the pendulum swings, the escape wheel is rotated by the movement of the gear train, and the pallets lock and release it in a controlled manner. This creates the ticking sound and allows the escape wheel to turn at a consistent rate, which is necessary for accurate timekeeping. The pallets also regulate the pendulum's swing, ensuring that it remains consistent and prevents the clock from running too fast or too slow.
Gravity escapements are considered to be one of the most accurate forms of timekeeping.
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