Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 89
h are ixtrallel; the third line to he draivn tocut the other two. Let AB, CD, and EF be the three given lines. Bisect the four angles AFE, BFE, CEF, and DEF by lines meeting at H and L. From H and L draw the lines HM and LIST perpendicular to CD (Prob. 6). With H as centre, and radius HM, draw a… … Pkoblem 97. To draiu dieect common tangents to txoo givencircles of iinequal radii. Let AC be the radius of one circle, and BD of the other. Jointhe centres A and B. From the centre A draw a circle with aradius = AC — BD. Bisect the line AB at E (Prob. 1). FromE, with radius EA, draw a circle…
Geometrical drawing
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