ositely arranged and oper-/} turing Company, of Providence, R. I., all of which are note. of the wings or blades sharpened on the lower edges, and! ated by hand levers. worthy for excellence of design, finish, durability, and gen one wing squared and a little shorter than the eral efficiency. In… … which employs a wheel having buckets upon frame. One of them is designed for cutting its periphery, against which the stream of Fig. 1—IMPROVED GRINDSTONE TROUGH. st bevel, and the other spur gear, teeth. They water is made to impinge. The improve- are specially intended for cutting the small ments…
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