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wearing surface as a joint with male head as thick as this bushing is long. Perhaps it will be better understood by reference to separate cuts of the bolt B and bushing C, and stating that the bolt turns or moves inside the bushing only, and that there is no wearing surface except between these two parts.

Parts A, B and C are all made to a size and interchangeable. Any one of them taken from stock will fit any joint head of this pattern without special fitting, so that it may be conveniently replaced in case of wear.

The Haberl Patent Foot

With Tarsal Articulation

The novelty of this invention is in the point of articulation being near the bottom of the foot instead of at the ankle. It does not give as much motion as the ankle-jointed foot, but is much superior to the rigid ankle without a joint. The construction is so simple that little explanation is required. The dotted lines in No. 264 represent hickory plates, covered with sponge rubber, and No. 265 shows the manner in which the parts are put together. The heel part is slipped into the round hole in hollow of foot, and the piece taking the place of the ball and toe part of foot is passed through into the heel part, as shown by dotted lines in No. 264, and locked together with a steel pin, making a complete hinge. In finishing, the sponge rubber parts are covered with buckskin or kid. The entire arrangement is so simple there is very slight probability that any repairs will be required that the wearer cannot make himself, and the ease and little expense with which the parts can be renewed commend it to all who require a strong, serviceable leg. It seems to be a favorite among miners and others following rough, heavy work who have given it a trial.