dow frame are provided with grooved ways ex- which is effected by a rod carried rearward and upward tending from top to bottom, in which are adapted to to a contact with the inclined face of an upper exten- slide projections from a perpendicularly moving metal- sion of the blade-carrying arm. From… … ed through, so as to be subjected four HASEIS' WINDOW BTTEGLAE GT7ASD. times to the pressure of the rollers, cally sliding bars, while the lower ends of the grating from its entrance at one side to its exit at the other. Each of the lower roll- bars are formed with sharp points. To hold the grat-…
Patents · Munn · Contained · Scientific American · Center · Hot air · Cubic feet · Horse power · American supplement · Wire cloth · Movable cylinder · Coal dust · Electric light · Gases inclosed
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