Oxygen
He was a botanist so he discovered plants.
he contributed the electromagnetic induction before faraday...:))))))))))
hUDSON bAY
Henry Skaggs
Joseph Henry
Joseph Henry did not discover oxygen. Joseph Priestley and Carl Wilhelm Scheele are the two men who independently discovered oxygen in 1774. Scheele actually discovered it first, but Priestley was the first to publish his findings. Joseph Henry is the person who discovered the electromagnetic phenomenon of self-inductance.
Joseph Black did discover carbon dioxide.
Joseph Henry Steele died in September 1980.
Joseph Henry (uom = Henry)
Joseph Henry was born on December 17, 1797.
Joseph Henry was born on December 17, 1797.
Joseph Henry Marshall was born in 1854.
Joseph Henry Marshall died in 1919.
Joseph Henry Nettlefold was born in 1827.
Joseph Henry Nettlefold died in 1881.
Joseph Henry Widdifield died in 1906.
Joseph Henry Widdifield was born in 1845.