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Solar prominences and geomagnetic disturbance
A theory of solar corpuscular emission
The role of active solar regions in the formation of magnetic storms
Study of spatial movements in solar prominance
Study of the broadening of coronal lines in active centers
Identification of the yellow coronal line: A5694.4
Photograph, HAO Group
Photograph, Big Dome
Photograph, Big Dome
Photograph, Dedication of the Large Dome
Photograph, Large Dome and Sheep Mountain
Photograph, High School graduation
Utilization of transit of mercury for research purposes
Possible test of response of atmosphere to solar corpuscular streams
Flare activity index
Photograph, 1952 Eclipse Expedition
Photograph, 1952 Eclipse Expedition
Photograph, 1952 Eclipse Expedition
Photograph, 1952 Eclipse Expedition
Photograph, 1952 Eclipse Expedition

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