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Remarks upon the solar and the lunar years, the cycle of 19 years, commonly called the golden number, the epact, and a method of finding the time of Easter, as it is now observed in most parts of Europe
Earl of George Parker MacclesfieldRead For Free - William F. Denning
- Erwin Freundlich
- E. Walter Maunder
- August Tischner
- William Tyler Olcott
- Edward C. Pickering
- H. H. Turner
- George F. Chambers
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Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
Henry White WarrenRead For Free -






