Image: Wubei Zhi counterweight trebuchet
Size of this preview: 477 × 600 pixels. Other resolutions: 191 × 240 pixels | 486 × 611 pixels.
Original image (486 × 611 pixels, file size: 53 KB, MIME type: image/jpeg)
Description: Wubei Zhi counterweight trebuchet
Title: Wubei Zhi counterweight trebuchet
Credit: Wubei Zhi
Author: Wubei Zhi
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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