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Differential Resonator
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Edward Hunter Murfee (1845-1932) was a graduate of the University of Alabama who served in the Civil War, taught physics in the post-war period, and later served as President of the University of Arkansas. In 1912, he obtained a patent for a differential resonator that was suitable for teachers of music or physics. This example is inscribed “Manufactured by Consolidated Optical Co., Ltd. Toronto.”
National Museum of American History’s own descriptionSubjects
Credit lineDifferential Resonator. National Museum of American History, United States Military Academy. CC0.
