Science Art: The Triumph Lathe, from The Watchmaker & Jeweller, Silversmith & Optician, Nov. 1, 1887.

The Triumph Lathe (
Click to embiggen

It spins, you know.

This jewelry-making tool was once available from Messrs. H.J. Cooper & Company, on Oxford Street West.

I found it, or at least the magazine in which it appeared, in the Smithsonian archives.