. A treatise on artificial limbs with rubber hands and feet ... No. 971. No. 972. No. 973. Cut No. 974 represents the usual form of artificial arm suitable forany of the stumps above described. The arm is constructed withleather socket, both above and below the elbow. The forearm socketis capable of distension and contraction, by means of which thestump can be put in place, and the socket laced so tightly thatthe stump will have uniform bearings. The upper-arm piece isregulated by straps and buckles and held at the proper distance fromthe forearm part. It is made to compress the muscle by mean
. A treatise on artificial limbs with rubber hands and feet ... No. 971. No. 972. No. 973. Cut No. 974 represents the usual form of artificial arm suitable forany of the stumps above described. The arm is constructed withleather socket, both above and below the elbow. The forearm socketis capable of distension and contraction, by means of which thestump can be put in place, and the socket laced so tightly thatthe stump will have uniform bearings. The upper-arm piece isregulated by straps and buckles and held at the proper distance fromthe forearm part. It is made to compress the muscle by means of a A. A. MARKS, ARTIFICIAL LIMBS, NEW YORK CITY. 251 lacing-. The hand is attached permanently to the forearm, as thelength of the stump prohibits the appropriation of room necessary forthe introduction of any of the forms of wrist mechanism. If, how-ever, the wearer is willing to have the artificial arm an inch longer thanthe natural one in order to remove the hand from the socket, hewill be so accommodated. The introduction of either the spindle, ballan
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