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The Practical Astronomer; Comprising illustrations of light and colours--practical descriptions of all kinds of telescopes--the use of the equatorial-transit--circular, and other astronomical instruments, a particular account of the Earl of Rosse's large
Thomas DickEin Blick von oben - Wie Satellitenbilder unser Verständnis von der Erbe und dem Universum verändern
Elke Vogel