Vertical window ventilighter, closed.
Horizontal window ventilighter, open.
Simon Ventilighter Co. View of porch Ventilighter.
Idlewild Airport, hangars, horizontal detail and long windows
View of Ventilighter under Queensboro Bridge, in market.
Hotel Pennsylvania. N.Y.C. Simon Ventilighter Co.
385 Madison Avenue. Manhattan Savings Bank, horizontal front elevation, two windows and center door, daytime].
West 57th Street. Consolidated Gas Co. office interior. Ventilighter.
34 West 34th Street. Sulka Store, Ventilighter in interior.
Machine closed.
30 East 42nd Street. Sample window taken at office, light metal casement sash, closed.
Antique silver ship on wheels, horizontal.
View of Strauss iron, closed.
37th Street and 5th Avenue. Ventilighters in the Franklin Simon Store.
Washable window.
53rd Street and 6th Avenue. New York Hilton Hotel, close-up detail, section of windows.
[Window washer.]
Hospital room. Heating energy cabinet, horizontal style
[Window washers.]