From what i know they used to wash them in streams and rivers clean ones not muddy ones but soon after they used soap that they washed them selfs with.
what did thety wash their clothes with back in the olden days
there washed there cloths in horse wee
in 1950 my mom used an electric washing machine.
to wash your cloths
a wringer washing machine wash board A washboard
You do that when you wash you cloths by walking through a car wash fully dressed.
They washed their cloths by hand until the wringer washing machine was invented
Wash the clothes twice at a degree of fifty.
See links below for websites offering free crochet patterns for wash cloths. * The easiest place to find patterns is on Ravelry.com