Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 314
Fig. 2 is the reverse application, and may be used for light weights. Ofcourse, each A lb. division will then represent only \ oz. Fig. 3 is merely the conversion ofthe lever to a simple hook for sup- Fig. 3. porting the spring balance, when usedin the ordinary manner for immediatepurposes. It is…
Science · Patents · Meteorology · Technology
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