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Christian Heinrich Friedrich Peters

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Stand Alone

Ptolemy's catalogue of stars
Ptolemy's Catalogue of Stars A Revision of the Almagest
Heliographic Positions of Sun-Spots Observed at Hamilton College, from 1860 to 1870 (Classic Reprint)
Heliographic Positions of Sun-Spots Observed at Hamilton College from 1860 to 1870 (Classic Reprint)