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William Thomas Read Boeken

Popular and Mathematical Astronomy, With the Principal Formulæ of Plane and Spherical Trigonometry

The Theory of Navigation and Nautical Astronomy

The Theory of Navigation and Nautical Astronomy
164bladzijden
6 uur lezen
Popular and Mathematical Astronomy, With the Principal Formulæ of Plane and Spherical Trigonometry
138bladzijden
5 uur lezen