a system of astronomy on the principles of copernicus
Containing, Besides The Usual Astronomical Calculations, A Catalogue Of Eclipses Visible In The United States During The Present Century And The Tales Necessary For Calculating Eclipses And Other Computation Of The Motion Of The Celestial Bodies.
Other books by this author
Do you want to exchange books? It’s EASY!
Get registered and find other users who want to give their favourite books to good hands!
