Harrison L5A Lathe Change Gear Collection

This selection of gears allows the English version of the Harrison L5A Lathe to thread in most all metric sizes as well as fine and coarse pitch ranges.

40T - Used on the intermediate shaft for all metric pitches.
50T - Used on the intermediate shaft for the "Fine" English range, with the 100T gear.
60T - Used on the intermediate shaft for all metric pitches except 1.75, 3.5, 4.5 and 7.
63T - Used on the intermediate shaft for metric pitches 1.75, 3.5, 4.5 and 7'
100T - Used on the inter