File:Hydraulic-Powdered Trip Hammers.jpg
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DescriptionHydraulic-Powdered Trip Hammers.jpg |
English: A set of trip hammers on an axle rotated by a waterwheel, a machine used to decorticate grain. From the Tiangong Kaiwu encyclopedia of 1637, written by the Ming Dynasty encyclopedist Song Yingxing (1587-1666).
Français : Un ensemble de marteaux tournant autour d'un axe activé par un moulin à eau et utilisé pour décortiquer les grains de céréales. Tiré de l'encyclopédie Tiangong Kaiwu de 1637, écrite par l'encyclopédiste de la Dynastie Ming, Song Yingxing (1587-1666).
This picture appears on page 93 of E-tu Zen Sun and Shiou-Chuan Sun's translation (Pennsylvania State University Press, 1966) |
Date | |
Source | Own work (My book) |
Author | PericlesofAthens |
This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details. |
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current | 20:27, 6 August 2007 | 933 × 756 (143 KB) | PericlesofAthens (talk | contribs) | {{Information |Description=A set of trip hammers on an axle rotated by a waterwheel, a machine used to decorticate grain. From the ''Tiangong Kaiwu'' encyclopedia of 1637, written by the Ming Dynasty encyclopedist Song Yingxing (1587-1666). This picture |
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