IMPROVED LATHE CHUCK
2023-11-22 13:0:2 Author: hackernoon.com(查看原文) 阅读量:3 收藏

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The annexed engravings represent a new lathe chuck, which may be constructed of any size, which holds tools with great firmness, and which is provided with an improved device for taking up wear and for the separate adjustment of the jaws. The implement is made of the best steel, by special machinery, so that its parts are interchangeable.

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