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Image: US patent 594059 diagram

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US_patent_594059_diagram.png(349 × 435 pixels, file size: 81 KB, MIME type: image/png)

Description: Diagram from US patent 594,059 showing an improved railway coupler design
Title: US patent 594059 diagram
Credit: US patent 594,059
Author: Andrew Jackson Beard
Permission: PD-US-patent
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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