rtened at pleasure, and the pressure of the blast should be as nearly tube it affects two clamps, which then ap- level with the top of the box. This trowel, therefore any required tone may be easily ob- uniform as practicable, tor which purpose an proach to or recede from the ends of the reed.… … brought so a horizontal position, but if raised, ——D The annexed engravings are views ofa ma- is a vertical section of part of the plastering the seat, by the action of the metal strip, is Improved Roofing. chine for plastering the walls of houses, in- box. The same letters refer to like parts.…
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