Signal Corps Museum photos
of
William R. Plum's
Caton Pocket Telegraph
Frontpiece of the Paris Universal Exposition of 1867; report of the American Commissioners.
Page 39.
Description of the Caton pocket telegraph shown above
Page 40.
Description of Caton pocket telegraph shown above
Beardslee Flying Telegraph
Signal Corps
U.S. Military Telegraph
Represenative Event Reviews
Bock&Wall History sponsored site