d arms of a U-bolt, extremities are maintained at uneven temperatures, they have discovered that a difference of potential is the illustration. It consists of an independent arm or by which a firm clamp is made upon the frame of the manifested by these portions—extremely slight, it is machine. The… … which the main wheels ing a downwardly extending arm with a split socket, sink. In Fig. 1, A rep- McCLUNG’S DEVICE FOR OPERATING SEWING which may be provided with a point, as shown in the WHITE’S ATTACHMENT FOR resents the swinging bar MACHINES. picture, or with a pencil or bent caliper point. The…
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