Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 47
rom F with radius FA de-scribe a semicircle. At B where the two given lines arejoined erect a perpendicular to AE cutting the semicircle inG. BG will be a mean proportional to CD and AB. Fi|b io. To FlND A Third Proportional (less) totwo Given Right Lines AB and CD.—Make EF= thegiven line AB. Draw…
