The stronger apron of the 200 Series lathe, with its distinctive boss mounted power-feeds selector, also found its way on to some of the last of the Series 100 machines

A significant improvement in the headstock cantered around the spindle nose that, instead of a thread, was fitted with the much superior and far safer American L00 long-taper fitting.

The oil-bath screwcutting gearbox was further improved and also made an enclosed unit so preventing the ingress of dirt and chipping.