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Heliographic Positions of Sun-spots Observed at Hamilton College From 1860-1870
observations made at Hamilton College over a decade. Compiled by Christian Heinrich Friedrich Peters and Edwin Brant Frost, this...... more |
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Heliographic Positions of Sun-spots Observed at Hamilton College From 1860-1870
observations made at Hamilton College over a decade. Compiled by Christian Heinrich Friedrich Peters and Edwin Brant Frost, this...... more |
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Radial velocities of twenty stars having spectra of the Orion type
stars having spectra of the Orion type", by Edwin Brant Frost, Walter S. Adams, is a replication of a book originally...... more |
