8 books
Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires (Classic Reprint)
The Present Status of Military Aeronautics (Classic Reprint)
Aeronautics in the Us at the Signing of the Armistice, November 11, 1918 - An Address Before the American Institute of Electrical Engineers (Wwi Centenary Series)
Multiplex Telephony and Telegraphy; By Means of Electric Weaves Guided by Wires
Aeronautics in the United States at the Signing of the Armistice, November 11, 1918
Multiplex Telephony and Telegraphy
The Polarizing Photo-Chronograph
Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires