Description: Patent for a new and improved grain toller. This design "consists in a novel construction of a revolving cylinder provided with cavities representing certain measures . . . separating a certain portion [of grain] to be retained as toll, and whereby, also, provision is made for varying the size of the toll-measure, so as to enable it to separate different proportions from the main body of the grain, according to the amount of toll to be taken" (lines 7-19).
Date: July 20, 1880
Creator: Wilson, William John
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