TRANSLATORS,
Sellers of old Shoes and Boots, between Shoemakers and Cobblers; also that turn or translate out of one Language into another.
· 
· 
Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
Translators in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).