Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 124
no weight on theend, and is well covered and protectedto avoid friction and excoriation. These joints, springs, and tendonsare all patented, and no modificationof any part will enable a person suc-cessfully to evade the patents, whichcontain about twenty distinct and com-bined claims, covering… … 118 Mechanics, Physics, and Chemistry. human limb. This combination of substances, all experience has taught,produces a much lighter, stronger, and comelier artificial limb than canbe made chiefly of any one material. Wood, metal, gutta percha, andindia rubber have all been tried again and again,…
Science · Patents · Meteorology · Technology
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