Subject
- Cranes, derricks, etc.1
- Crowds.1
- Cruisers (Warships)--United States--History--20th century.1
- Dams--Washington.1
- Destroyers (Warships)--United States--History--20th century.1
- Dollhouses.1
- Earthmoving machinery.1
- Electric generators.1
- Electricity--Exhibitions.1
- Fuller, R. Buckminster (Richard Buckminster), 1895-1983.1
- George Washington Bridge (New York, N.Y.)--History.1
- Girders--Testing.1
- Golden Gate Bridge (San Francisco, Calif.)--Description and travel.1
- Grain elevators.1
- Hangars--Models.1
- Helium.1
- Holland Tunnel (Jersey City, N.J., and New York, N.Y.)1
- Housing.1
- Hudson River (N.Y. and N.J.)1
- Hudson River (N.Y. and N.J.)--Aerial views.1