Télécharger le livre :  Care of Astronomical Telescopes and Accessories
Commercially-made astronomical telescopes are better and less expensive than ever before, and their optical and mechanical performance can be superb. When a good-quality telescope fails to perform as well as it might, the reason is quite probably that it needs a little...

Editeur : Springer
Parution : 2006-03-30
Collection : The Patrick Moore Practical Astronomy Series PDF

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