Construction of the Hayden Planetarium, November 20, 1934 

Construction of Hayden Planetarium, February 11, 1935 

Construction of the Hayden Planetarium, January 3, 1935 

First floor corridor, Hayden Planetarium, 1935 

Architectural drawing of the Hayden Planetarium 

Professor William H. Barton at the control panel, Hayden Planetarium, November 1937 

Professor William H. Barton at the Control Panel in the Hayden Planetarium, November 1937 

The Hayden Planetarium building fully enclosed, January 1935 

Hayden Planetarium, exterior, 1936 

Hayden Planetarium, 1965 

Model of the Ptolemaic theory of the solar system, constructed by Walter Favreau, Hayden Planetarium, 1943 

Professor William H. Barton at the control panel, Hayden Planetarium, November 1937 

Visitors waiting at the entrance of Hayden Planetarium, October 5, 1935 

Visitors Entering Hayden Planetarium, October 5, 1935 

Children viewing the Zeiss Projector, Hayden Planetarium 

Visitor at Cosmic Ray Counter machine, Hayden Planetarium, 1939 

President F. Trubee Davison, Prince Chichibu, brother of the Emperor of Japan, Clyde Fisher, Head of the Hayden Planetarium and Roy Chapman Andrews, Director of the Hayden Planetarium, Hayden Planetar 

Celestial Mechanics, Hayden Planetarium 1990-1997 

Distance Parallax, Hayden Planetarium 1990-1997 

Theater entrance, Hayden Planetarium 1990-1997