An indexing page for the HyperPhysics site. The page contains a concept map of links to a variety of other pages which discuss concepts related to heat engines. All pages contain informative graphics and excellent explanations.

John Armstrong was an American civil engineer and soldier who served as a major general in the Revolutionary War. He was a delegate to the Continental Congress for Pennsylvania.

A portrait of Robert Fulton from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.

A portrait of Guglielmo Marconi from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.

A portrait of Samuel Finley Breese Morse from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.

Portrait of Tyndall.

A planchette.