Mechanical drawing problems for high schools, normal schools and vocational schools (1918)
Berg, Edward. [from old catalog], Kronquist, Emil F. (Emil Fritjoff), b. 1882 · Peoria, Ill. : The Manual arts press · leaf 156
152 MECHANICAL DRAWING PROBLEMS Specification—Plate 41A. Make a drawing of a Cone intersected by a Cylinder as indicated. Develop the line ofintersection in the top view and from it the line of intersection in the front view. Developpatterns for the cone and cylinder. Scale I2=i. Title:— CYLINDER… … 154 MECHANICAL DRAWING PROBLEMS Specification—Plate 42.Make a working drawing and develop pattern for the Ventilator. Scale 3=i. Title:— VENTILATOR SCALE DATE NAME Sheet iron, sheet steel, sheet copper, etc., are formed by the rolling process. A bar, orbillet, of heated metal is passed between…
Mechanical drawing
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![An illustration from Perspectiva; hierinnen auffs kürtzte beschrieben, mit Exempeln eröffnet vnd an Tag gegeben wird, ein newer besonder kurtzer, doch gerechter vnnd sehr leichter Weg, wie allerley Ding, es seyen Corpora, Gebew, oder was möglich zuerdencken vnd in Grund zulegen ist, verruckt oder vnuerruckt, frener in die Perspectyf gebracht werden mag, on einige vergebliche Linie, riss vñ Puncten, [et]c. dergleichen Weg bisshero noch nit bekant gewesen (1571)](https://img.insideoutlibrary.com/img/200/ia-perspectivahieri00lenc-32-19.webp)
