erties, Philadelphia. It will be | the cog section E, are placed at equal distan- understood by machinists and will commend | ces apart and are secured to the face plate by itself. This isa face view of the Chuck show- | nuts. The pins G, are the jaws of the chuck, 4 ing the face plate A, geered… … Mr. O. L. Wheelock, of Watertown, N.Y. Orzration.—The article to be operated , with the article to be turned and hold it firmly | patented Feb. 27, 1849. has invented a beautiful aud useful improve- upon being placed at or near the centre of | between them. The combined action of the To S. R.…
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