Page:Miscellaneous Papers on Mechanical Subjects.djvu/141

 chamfered by a cutter revolving between two cones; these guide and support the work as it is pressed down edgewise on the cutters, and passed along by the workman.

34. Ploughs—(continued).—The other machines in use consisted of a circular and vertical saw, and machines for jointing, tenoning, drilling, and for making round stave rods, and giving them conical ends, the whole being of a simple and inexpensive character.

The curved handle pieces of the ploughs, which require to be steamed and bent, are obtained already shaped from the forests where they are cut, and are advantageously supplied to the large manufacturers. The prices of the ploughs vary from $2½ to $7. The price of—

35. Mowing Machines.—In a manufactory at Buffalo, mowing machines were being made in large numbers, 1,500 having been supplied this summer. Two were in operation in a field a