l, wahave no doubt, operate satisfac- the center of D, where it is secured by a 24, 1857. engine it would be valuable. They can be torily. A patent was granted this week, and wedge-shaped block of wood, G, an addition- the claim will be found on another page. The al packing or strap of leather, c,… … in its operation. It is the invention of W. W. of the leather, H, serving as a packing for C The manufacture of bricks is one of the Clarkson, of Baltimore, Md. against A, being kept in position by the screw most important changes of raw material into bolt, m. When the piston is moved in the di- +…
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