[Woman at a telegraph machine.]
[Morse Relay machine.]
[Teletypewriter switchboard.]
[Morse telegraph recorder.]
[Telegraph.]
[Communication engine room.]
[Morse recorder made by Samuel F. B. Morse.]
[Man at switchboard.]
[Close up of a teletypewriter switchboard.]
Wireless Telegraphing--N.Y. Cruiser--Mast 150 Ft. High--Where Messages Are Sent to B.S. Mass.
N.Y. Cruiser--Mast 150 Ft. High, Wireless Telegraphing, Where Messages Are Sent to B.S. Mass.
[Sender frames, dial equipment.]
[General view of some of the dial equipment, Trafalgar Central Office.]