Stanley Matthews, Arthur v. Pastor — Opinion of the Court
“ It is obvious, however, that the natural division of wools into the grades unwashed, washed, and scoured, carried into the act as the ground of difference in the amount of duties to be assessed accordingly, fully explains the intention of congress to tax the wool itself uniformly by varying the amount of duty according to the degree to which a given quantity has been freed, by processes of cleansing, from the dirt and foreign matter with which, in its unwashed state, it is usually found. ”
