Children sitting in pits of the Willamette Meteorite, Hayden Planetarium, 1939 

Willamette meteorite in the first floor corridor, Hayden Planetarium, 1936 

Willamette meteorite in the first floor corridor, Hayden Planetarium, 1936 

Ahnighito section of the Cape York meteorite in the first floor corridor, Hayden Planetarium, June, 1936 

Ahnighito section of the the Cape York meteorite in the first floor corridor, Hayden Planetarium, June, 1936 

Willamette meteorite and children, Hayden Planetarium, 1944 

Children viewing the Zeiss Projector, Hayden Planetarium 

Visitor at Cosmic Ray Counter machine, Hayden Planetarium, 1939 

School children at Information-Publications Desk, Hayden Planetarium, 1940-1949 

Hayden Planetarium, exterior, 1936 

Prize winning poster, Hayden Planetarium, 1939 

Prize winning poster, Hayden Planetarium, 1939 

Young girl with Willamette Meteorite, Hayden Planetarium, 1955 

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

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

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 

The Zeiss Projector, Hayden Planetarium 

Assistant Curator Marian Lockwood with group of children in the Copernican Planetarium, Hayden Planetarium, 1940 

The Zeiss Projector in the Hayden Planetarium, showing coordinates along part of the ecliptic and altitudes on meridian, 1939 

Studying Willamette meteorite, 1920