Oil grooves are used to lubricate the inside ... as they spent quite a bit of time perfecting this custom lathe attachment to automate the process. Through an assortment of clever linkages and ...

[Makercise] has built a nice oil fired foundry already so it’s off to the next book, Gingery 2, is the metal lathe. The Gingery books and, really, most DIY books from that era are: not well ...