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Image
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Non-Commercial Use
1
Category
Terrestrial Magnetism
1
Maker
Henry Barrow & Co.
1
Henry Barrow and Company, Henry Barrow & Co.
1
Object type
magnetic measuring instrument
1
magnetic variation compass
1
magnetometer
1
magnetometer; magnetic measuring instrument; magnetic variation compass
1
Place
London
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London, England, United Kingdom
1
Material
brass (copper, zinc alloy)
1
glass
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iron
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mahogany (wood)
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silver plated
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Date
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Variation Compass and magnetometer, 1837-1843
1837-1843
