Instead of going the normal route – finding friends with machine tools or paying a machine shop, he improvised a rudimentary metal lathe. The finished couplers were concentric to 0.005″.

In the video, [Chris] uses two metal hooks, bent in a ninety-degree ... it’s possible to create a small lathe that can be used to create perfectly symmetrical shapes, such as those used in ...

KURE, Hiroshima Prefecture--A massive lathe used to precision shape the main gun barrels of Japan’s mighty World War II battleship Yamato is now on public display at the Kure Maritime Museum here.

A lathe is a machine tool used to curve metal and parts. Imported from Germany in 1938, it was used at the Kure Naval Arsenal and is the only large machine tool associated with Yamato that ...