Summary
The timeball tower at Williamstown. A telegraph signal from Melbourne Observatory at precisely 1pm each day lowered the brass ball. This allowed ships in Hobson's Bay to correct their chronometers -- essential for safe navigation. The timeball was erected on this tower in 1861.
Description of Content
TIME BALL ASTRONOMY INSTRUMENTS AND OBSERVATORIES
More Information
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Collection Names
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Collecting Areas
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Place Depicted
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User
Williamstown Observatory, Williamstown, Greater Melbourne, Victoria, Australia, 1861-1863
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User
Melbourne Observatory, South Yarra, Greater Melbourne, Victoria, Australia, 1863-1926
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Format
Negative - Copy, Black & White
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Classification
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Category
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Discipline
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Type of item