File:Electromagnetic Measurements Lord Kelvins Ampere Balance.png: Difference between revisions

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[[Image:Electromagnetic Measurements Lord Kelvins Ampere Balance.png|thumb|right|A 1911 photo of Lord Kelvin's Ampere balance -  an electromechanical apparatus used for the precise measurement of an ampere or unit of electric currents]]


[[Category:Electromagnetic_measurements|{{PAGENAME}}]]

Revision as of 16:43, 13 March 2012

A 1911 photo of Lord Kelvin's Ampere balance - an electromechanical apparatus used for the precise measurement of an ampere or unit of electric currents

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