Hotel Pennsylvania. N.Y.C. Simon Ventilighter Co.

View of Ventilighter under Queensboro Bridge, in market.

Vertical window ventilighter, closed.

37th Street and 5th Avenue. Ventilighters in the Franklin Simon Store.

West 57th Street. Consolidated Gas Co. office interior. Ventilighter.

Vertical window ventilighter, closed.

Horizontal window ventilighter, open.

Horizontal window ventilighter, closed.

120-06 Ninth Avenue. Porch view, upstairs.

[Detail of balcony or porch.]

Austin-Nichols Co., view of switchboard.

[Interior, sun porch.]

The Harlem Hospital, exterior of sleeping porches.

Austin-Nichols and Co., view of two connecting boxes.

Precision Machine Co. View of inserting movement in machine.

34 West 34th Street. Sulka Store, Ventilighter in interior.

56 Broadway. Scandinavian Trust Co., view of officers' space.

Murphy Door Bed Co. View of kitchenette gas range.

Best and Co., final view.

George G. Benjamin house, porch.