Communications, Telephone Exchange.

Communications, Telephone Exchange.

Communications, Telephone Exchange.

Communications, Telephone Exchange.

Telephone, New York Telephone Co. Exchanges.

Telephone, New York Telephone Co. Exchanges.

Telephone, New York Telephone Co. Exchanges.

Communications, Telephone Exchange.

Telephone Exchange 1896 Cortlandt St. West Wing.

[Telephone Exchange 1896 Cortlandt St. West Wing.]

[Telephone operators.]

[Telephone operators.]

[Telephone operators.]

[District selector frame in a dial exchange.]

Communications, Marconi's Wireless Telegraphing Apparatus.

[People observing telephone operators.]

Communications, Marconi, Wireless Telegraph Inc.

American Line, S.S. "New York".

[New York City Telephone Exchange.]

Dinners.