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An engraving depicting a pedal driven helicopter
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Title: An engraving depicting a pedal driven helicopter
Caption: An engraving depicting a pedal driven helicopter, designed by Robert H. Goddard. Robert H. Goddard (1882-1945) an American engineer, professor, physicist, and inventor. Dated 20th century
Credit: Album / World History Archive
Releases: ? Model Release: No - ? Property Release: No
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Image size: 3867 × 5423 px | 60.0 MB
Print size: 32.7 × 45.9 cm | 1522.4 × 2135.0 in (300 dpi)
Keywords: 20TH CENTURY • AMERICA • AMERICAN • ENGINEER • ENGRAVED • ENGRAVING • FLIGHT • GODDARD • HELICOPTER • ILLUSTRATED • ILLUSTRATION • ILLUSTRATIONS • ILUSTRATION • INVENTOR (MALE) • INVENTOR • MACHINE • MACHINERY • MANUAL • PEDAL • PHYSICIST • PROFESSOR • ROBERT H • ROBERT HUTCHINGS GODDARD • TECHNOLOGY • UNITED STATES OF AMERICA • UNITED STATES • US • USA
