Babbit, Arthur B · New York, H. Holt and company · leaf 206
To draw a hexagon, theshort diameter being given—Erect the perpendicularsG E and D F at the endsof the short diameter A B.(Problem 4.) Find pointC by drawing the bisectorH K. (Problem 1.) Makeangle BCD equal 30 de-grees. (Problem 25.) With GEOMETRICAL PROBLEMS 195 C as a center and a radius equal… … To draw an octagon, hav-ing given the long diameter—Find point C by bisect-ing the long diameter A B.(Problem 1.) Draw linesF H and K G makingangles of 45 degrees withA B. (Bisect angles BCDand A C D.) With C as acenter and a radius equalto the distance from C toB draw a circle. Con-necting B F, F…
Mechanical drawing
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