Summary
Pair of dip needles, 9 cm long, in a zinc case. Needles marked 'Dover, 3A and B', 'Dover 4A and B'. Used at Melbourne Observatory to measure changes in the Earth's magnetic field.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Transfer from Melbourne Observatory, 1945
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User
Melbourne Observatory, South Yarra, Greater Melbourne, Victoria, Australia
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Maker
Dover, Charlton, Kent, England, Great Britain, circa 1880s-1900s
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Classification
Physical sciences, Geophysics - geomagnetism, Measuring equipment
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Category
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Discipline
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Type of item
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Keywords
Dip Circles, Geophysical Apparatus & Instruments, Magnetic Instruments