File:Bookwheel.png: Revision history

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17 July 2007

  • curprev 15:2115:21, 17 July 2007‎ Aapino talk contribs‎ 231 bytes +231‎ Agostino Ramelli's Bookwheel from "Le diverse et artifiose machine," 1588, enabled a scholar to maintain many large books in an open state. Rotating the wheel allowed the scholar to switch between large, heavy books fairly quickly.
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