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To the moon and back in ninety days : a thrilling narrative of blended science and adventure (1922)

Brown, John Young, 1858-1921, Lunar Publishing Company. pbl · Providence, Kentucky : Lunar Publishing Company · leaf 46

An illustration from To the moon and back in ninety days : a thrilling narrative of blended science and adventure, 1922, leaf 46
FIG. 4. PROJECTIONS OF A FEW COMETARY ORBITSON THE PLANE OF THE ECLIPTIC. (Steeles Astronomy.) … FIG. 5. A METEOR TRAIL. (Yerkes Observatory.)

Astronomy

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