E. W. Bliss
Wright
John Stevens
[Peter Cooper.]
[Joseph Henry.]
[Richard M. Hoe.]
Electric Cars [John Stephenson Company railroad truck.]
A. G. Bell
Sam'l F. B. Morse
[Samuel F. B. Morse 3/4 rear view.]
[Samuel F. B. Morse.]
[Guglielmo Marconi at the receiving set during the first translatlantic radio transmission.]