I'm going with a Seneca Falls lathe, or one of the other earlier lathes that morphed from treadle power to powered. Search out Treadle powered lathes to find brands that started with foot power..
lg
no neat sig line
Are you sure they're from a lathe. They might be from a kick press, or other type of old machine.

Get them inside before some Hipster makes a table for his loft out of them