military communications, French soldiers exchange messages with an airship via a megaphone with a range of 4 kilometers, wood engraving, 19th century, Signals, signalman, signalmen, amplifier, distance, distances, uniform, uniforms, France, megaphone, megaphones, speech, speeches, communication, communications, voice transmission, historic, historical, army, people, Additional-Rights-Clearences-Not Available

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Size: 3369px × 5317px
Location:
Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: airship, amplifier, army, communication, communications, distance, distances, exchange, france, french, historic, historical, megaphone, megaphones, messages, military, people, signalman, signalmen, signals, soldiers, speech, speeches, transmission, uniform, uniforms, voice