File:Tiangong Kaiwu Pulley Wheel.jpg
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This is an illustration of a Chinese farmer working a pulley wheel that's lifting a bucket. From the Tiangong Kaiwu encyclopedia of 1637, written by the Ming Dynasty encyclopedist Song Yingxing (1587-1666). This illustration is also found on page 25 of E-tu Zen Sun and Shiou-Chuan Sun's translation of the Tiangong Kaiwu (Pennsylvania State University Press, 1966).
This illustration was taken from
http://d.blog.xuite.net/d7/8e/12090545/blog_123743/txt/4695863/0.jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:34, 17 August 2018 | | 325 × 506 (135 KB) | Thales (talk | contribs) |
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