CIRCUITS OF GARFORD LOCAL BATTERY WALL TELEPHONE from the ' Military Signal Corps manual ' by James Andrew White, Publication date 1918 Publisher New York : Wireless Press, inc.

---

Size: 2196px × 2424px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1, 1910, 1918, america, armed, army, broadcasting, circuit, circuits, code, communicate, communication, communications, control, corps, diagram, electric, electrical, electronic, electronics, equipment, forces, great, heritage, historic, historical, history, idr, manual, military, morse, portable, psi, radio, receiver, signal, states, system, technological, technology, telegraph, telephone, transceiver, transmitter, unit, united, usa, vintage, war, world