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De Re Metallica
A cross-sectional illustration of a mine. Gears and drive-shafts harness horse power to operate an underground ore lift.
De Re Metallica
A cross-sectional illustration of a mine. A turbine powers three subterranean piston pumps in succession to drain a flooded mine shaft.
De Re Metallica
An illustration of a mine ventilation system. The vane (H) orients the wooden vessel (A) so that the vent (C) faces the wind. The wind forces fresh air through a pipe (D) and into the mine.
De Re Metallica
An illustration of two mine shafts. The man on the hill uses plumb lines and triangulation to determine subterranean distances.
Drawing of a girl outside with airplanes
Colony: Colonia Escolar #1, Torrente
No 17
Colony: Escuela de niños de la Florida, Madrid
Constitutional values and the Indian ethos
Historical events that influenced the framing of the Constitution p. 3
Constitutional values and the Indian ethos
Historical events that influenced the framing of the Constitution p. 4
Constitutional values and the Indian ethos
Historical events that influenced the framing of the Constitution p. 5
Craftsmanship Award Winners
Group photograph of the 1934 Craftsmanship Award winners with President Nicholas Murray Butler in front of South Hall (Butler Library).
Craftsmanship Award Presentation
President Nicholas Murray Butler handing out a Craftsmanship Award in front of South Hall (Butler Library), 1934.
