25.0 MB (5.5 MB compressed)
2952 x 2960 pixels
24.9 x 25.1 cm ⏐ 9.8 x 9.9 in (300dpi)
UNIVERSAL HISTORY ARCHIVE / UIG / SCIENCE PHOTO LIBRARY UNIVERSAL HISTORY ARCHIVE / UIG / SCIENCE PHOTO LIBRARY
Demonstrating the strength of a vacuum. Vessel from which air has been evacuated mounted in frame. A rope attached is passed over two pulley wheels. On a wooden platform hung from the end of the rope weights were added until the vacuum was overpowered. From Experimenta Nova by Otto von Guericke (Amsterdam, 1672). Engraving.
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