JOSEPH HENRY
JOSEPH HENRY (1797 - 1878), American physicist associated with electro-magnetism - the henry unit of induction is named for him ; director of the Smithsonian, Washington
Picture No
10039001
Media ID
47225237
Size
3838px x 4444px
(2.6MB)
Credit
Mary Evans Picture Library
Source
unnamed artist in the Century, Magazine, April 1888, page 931
