. 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. pleasure that stimulates to greater effort in thedraughtsmans art. 357 358 DRAUGHTING DEVICES. 905. ELLIPSOGRAPH. Mundo type. Will draw ellipses of thesmallest size required and of any form from a straight line to a circle. A, main framewith 3 feet at a,b, c. B, crank


. 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. pleasure that stimulates to greater effort in thedraughtsmans art. 357 358 DRAUGHTING DEVICES. 905. ELLIPSOGRAPH. Mundo type. Will draw ellipses of thesmallest size required and of any form from a straight line to a circle. A, main framewith 3 feet at a,b, c. B, crankcarrier revolvingin the groovedcircle C. /, thecrank. The cir-cular rim, B, car-ries two slides,above and below,which areclamped at / bythe slides havepivot studs, oneof which carriesthe frame E, andthe other thelower frame D ;so that by ad-justing the two slidesand their pivotal con-nections to the travel-ing frames E and D,at any distance from thecenter, n, equivalent tothe semi-diameters of arequired ellipse, the pen,i, on the arm, /, of theframe, E, will describethe ellipse. 906. Section of theslide carrier and slides,0, p, and nut, /, forclamping them. 907. Plan of slide carrier with top and bottom slide at n and m. 908. Side view of slide carrier and pin of the lower slide that car-ries the frame,


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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910