Jex Johnson

Lathes made by Johnson Jex
A big lathe tucked away in a corner. Made c.1810 – 1815 by Mr Johnson Jex, blacksmith, clockmaker (and maker of an iron cello, apparently, presumably for a heavy metal band). Wish I’d had longer to figure out what it all meant, but evidently it made all sorts of clock parts, including gears. Unusual design of ways on some of the auxiliary slides.
The big brass disc is a division plate.

Bridewell Museum city of Norwich.
Mr Jex didn’t just cater for the beefy end of the market. This is a tiny watchmaker’s/ornamental lathe, about 7 or 8 inches long. Note the two coaxial spindles.

Source: All from Rivett608 Practical Machinist.