Two dip needles used by Sir J.C. Ross, c.1840

Made:
1840
Two dip needles used by Sir J.C. Ross, c.1840

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Two dip needles used by Sir J.C. Ross, c.1840
Science Museum Group
© The Board of Trustees of the Science Museum

Two dip needles used by Sir J.C. Ross, c.1840

Details

Category:
Terrestrial Magnetism
Object Number:
1915-151
type:
needle
credit:
Meteorological Office, South Kensington