[Early types of switchboards.]
[District selector frame in a dial exchange.]
[People observing telephone operators.]
[Telephone operators.]
Communications, Telephone Exchange.
[Teletypewriter switchboard.]
Telephone, New York Telephone Co. Exchanges.
[Man at switchboard.]
[S. S. Normandie at the time of her arrival in New York Harbor.]
[Close up of a teletypewriter switchboard.]
[Teletypewriter.]
[New York City Telephone Exchange.]
[Switchboard at the long distance headquarters of the American Telephone and Telegraph Company.]
[General view of some of the dial equipment, Trafalgar Central Office.]