File:Chain drive, Su Song's book of 1092.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:32, 8 August 2008		457 × 876 (159 KB)	commons>PericlesofAthens	{{Information \|Description=The oldest known illustration of an endless power-transmitting chain drive. This was illustrated in 1092, during the Song Dynasty, by the Chinese engineer Su Song in his book ''Xinyi Xiangfayao''. It was called the "celestial la

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Camera manufacturer	HP
Camera model	HP ojp7600
Date and time of data generation	05:17, 8 August 2008
Y and C positioning	Co-sited
Exif version	2.2
Color space	sRGB
Saturation	Normal
Sharpness	Normal