Browse Items (9 total) Browse All Search Items Collection: George Ellery Hale Sort by: Title Creator Date Added Private H. M. Hubbard Pass Card George Ellery Hale at his desk Kenwood Astrophysical Observatory Solar prominence spectroheliogram Solar prominence spectroheliogram Spectroheliogram Kenwood Observatory spectroheliograph Solar prominence spectra Hale using Mount Wilson Observatory’s solar spectrograph Output Formats atom, dcmes-xml, json, omeka-xml, rss2