
Space & PhysicsMay 1, 1936
The 200-Inch Telescope
Observatory Design, A New Astrophysical Observatory, The Great Reflector, Auxiliary Devices, Purpose of the New Observatory...

The 200-Inch Telescope
Observatory Design, A New Astrophysical Observatory, The Great Reflector, Auxiliary Devices, Purpose of the New Observatory...

A Solar Observatory for the Amateur
Simple Instructions for Photographing the Sun and Its Eruptions

Magnetism of Celestial Bodies
An Investigation in Solar Physics Conducted by the Mount Wilson Observatory

Solar Vortices and Magnetic Fields.—II
Recent Study of the Sun

Solar Vortices and Magnetic Fields.—I
Recent Study of the Sun

The Kenwood Physical Observatory