Compas used in oersted's original electromagnetism experiment, 1820.
4 0 c m
 
35cm
actual image size: 27cm x 32cm

Compas used in oersted's original electromagnetism experiment, 1820.

© Science Museum / Science & Society Picture Library

Description

Replica produced in 1931. The Danish physicist Hans Christian oersted (1777-1851), discovered electromagnetism (the interaction between electricity and magnetism) in 1820. In front of an audience of students, oersted placed a compas needle directly beneath a wire, through which an electric current was pased, causing the needle to move. oersted's discovery sparked a surge in interest in electricity amongst European scientists.
 

Image Ref.

10213630
 

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