eee NUMBER 29: VOLUME XI. | THE | Scientific American, … Messrs. St. John and Brown, of Leonards- tasks upon the horses. posits it on the ground again, in winrows, as ville, N. Y., are the inventors and patentees ; | The revolving brush is, to some extent, ob- slot Q. In the forward movement of rod M shown; thus collected it is easily shovelled from them…
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