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.

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

Communications, Marconi, Wireless Telegraph Inc.

Dinners.

[People observing telephone operators.]

Residence, Interiors, Mrs. Mayer.