Summary
Pair of dip needles in wooden case. Needles marked 'AII' and 'B'. Used at Melbourne Observatory.
These were used 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, 1947
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User
Melbourne Observatory, South Yarra, Greater Melbourne, Victoria, Australia
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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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Maximum dimensions
271 mm (Length), 76 mm (Width), 32 mm (Height)
Measurement From Conservation. Wooden box
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Maximum dimensions
241 mm (Length), 12 mm (Width), 31 mm (Height)
Measurement From Conservation. Needle
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Keywords
Dip Circles, Geophysical Apparatus & Instruments, Magnetic Instruments
