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Home > All Images > 1988 > December > 20 Dec 1988

Images Dated 20th December 1988

Choose from 10 pictures in our Images Dated 20th December 1988 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Engraving of Hans Christian Oersted Featured 20 Dec 1988 Print

Engraving of Hans Christian Oersted

Engraving of Hans Christian Oersted, a Danish physicist, born in 1777 and died in 1851. He is seen here with his assistant observing an experiment to demonstrate the effect of an electric current on a magnetic compass needle. This was the first demonstration of a connection between electricity & magnetism & in retrospect his experiment is seen as the foundation of the study of electromagnetism. His discovery was published in 1820. Oersted did not carry his experimentation with electromagnetism any further, but his discovery unleashed a whirl of activity in the field of physics. In 1934 a unit of magnetic field strength was named an oersted in his honour