Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 246
634. THREE-POINT STRAIGHT-LINE LINKAGE. Two links are on fixed pivots andpivoted to the triangular piece at half the lengthof the fixed pivots distance. The end of the tri-angular piece carries a tracer on the line of thefixed pivots. At three points in the double curvethe tracer crosses a straight…
Mechanical movements
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