s of arms, with line AB. (&Qm$\mtitvta. To find angles, BAc', ABJ, and length of link, E. lhe Editors are not responsible for the opinions by their Cor- 1. As the length of arm, D, is to the chord of arc, ab, divided respondents. by 2, so is the radius to the sine angle oscillation of arm, D, di… … ly enough, a simple method by which this could be shown. 3. Now arc ab is equal to arc a'c'. Your correspondent claims that the calculation, according to 4. The whole circumference is to 360° as the length of arc my own rule, gives a figure of a totally different form, and a'e' is to the angle…
Patents · Dated · Address · Color · Iron · Scientific American · Silk · York city · Steam boiler · Reciprocating parts · Letters patent · Dated february · Dated march · American institute · Steam engine · Silk culture
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