'The desert laboratory', Harpers
Tags: 1910s; 1911; 1911-4-1; Arizona; Biology; Botany; Daniel Trembly MacDougal; Description and travel; Desert plants; Evening primrose; Huntington, Ellsworth; Plant genetics; Plant physiology; Plant Sciences; Research; Southwestern States
'The flight of the clamoplane', Harpers
Tags: 1910s; 1911; 1911-4-1; Aeronautics and Aerospace; Engineering; Johnson, Burges
'Why flying-machines fly', Harpers
Tags: 1910s; 1911; 1911-4-1; Aerodynamics; Aeronautics; Aeronautics and Aerospace; Engineering; Flying-machines; Kaempffert, Waldemar; United States
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