الكتب الالكترونية

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NoIMG
A Buyers and Users Guide to Astronomical Telescopes & Binoculars

This new guide provides an extensive overview of astronomical binoculars and telescopes. It includes detailed up-to-date ...

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NoIMG
Binocular Astronomy

Anyone who has used a binocular telescope or even wide-field binoculars to look at the night sky will know just how breathtakingly ...

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978-0-387-68127-6
Observing the Sun with Coronado™ Telescopes

At around the turn of the millennium, the introduction of the Coronado range of solar telescopes and filters heralded the ...

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عدد الكتب: 1 - 3 /3