Unifilar variation compass and magnetometer by Robinson

Made:
1830
Unifilar variation compass and magnetometer by Robinson

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Unifilar variation compass and magnetometer by Robinson
Science Museum Group
© The Board of Trustees of the Science Museum

Unifilar variation compass and magnetometer by Robinson, circa 1830

Details

Category:
Terrestrial Magnetism
Object Number:
1980-1885
type:
compasses (direction indicators)
credit:
Meteorological Office