No disponible.
¿Tienes uno para vender? Vender en Amazon
Volver atrás Ir adelante
Escuchar Reproduciendo... Interrumpido   Estás escuchando una muestra de la edición de audio Audible.
Más información
Ver las 2 imágenes

Naval investigation Volume 2 ; hearings before the subcommittee of the Committee on Naval Affairs, United States Senate, Sixty-sixth Congress, second for the use of the Committee on Naval Affairs (Inglés) Tapa blanda – 4 mar 2012


Ver los formatos y ediciones Ocultar otros formatos y ediciones
Precio Amazon
Nuevo desde Usado desde
Tapa blanda, 4 mar 2012
click to open popover

Descripción del producto

Reseña del editor

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ...and the Far East. The most important centers of communications were at Cavlte, P. I., Hawaiian Islands, Canal Zone, Washington, D. C, and the capitals of the allied nations in Europe. To meet the demands for communication the Navy's facilities were greatly and rapidly Increased, and means were provided for collecting and disseminating Information to every part of the coast and to'naval vessels In Europe, South America, and the Far East. The Navy took over and operated 59 commercial stations. At the same time the several privately owned stations were closed, Including all the stations operated by the amateurs, which were not necessary nor desirable for use during the war. Sixty-seven land radio stations were built by the Navy during the war, all equipped with the best apparatus, this more than doubling Its radio facilities on shore. Naval vessels were equipped with Improved apparatus, so that when the armistice was signed battleships were able to receive four messages simultaneously and transmit three. The commander in chief of the fleet could talk to the captains of vessels in the fleet, while at the same time the various ships of the fleet could communicate with one another. In addition, and at the same time, airplanes could communicate with their respective battleship units. The Navy Department equipped all American merchant vessels with modern apparatus and furnished operators for them, so that these merchant ships could receive messages at any time of the day and transmit messages at long distances In case of distress. The Navy had to train most of its radio men. because the radio amateurs In this country were soon incorporated in the Army and Navy. Tnese operators were trained at Harvard. In June, 1917, there were 350 students under Instruction. When t...

No es necesario ningún dispositivo Kindle. Descárgate una de las apps de Kindle gratuitas para comenzar a leer libros Kindle en tu smartphone, tablet u ordenador.

  • Apple
  • Android
  • Windows Phone

Obtén la app gratuita:



Detalles del producto


Opiniones de clientes

No hay opiniones de clientes
Comparte tu opinión con otros clientes