Autor: Robert H. Goddard

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1 Ebooki wg Robert H. Goddard

Robert H. Goddard: A Method of Reaching Extreme Altitudes
The seminal text on rocket science that foretold the Space Age “Every vision is a joke until the first man accomplishes it; once realized, it becomes commonplace.” wrote Robert H. Goddard in 1920 aft …
EPUB
Angielski
€4.49