Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 28
s A i and B 2 equal to AB. Dra^^ 1-2cutting the perpendiculars in j and 4. From J and 4. set off the distance J-^,giving 5 and 6. Draw through 5 and 6 astraight line, and set off from 5 and 6 dis-tances 3-/ and 5-<?, 6-g and d-zo equalto 3-1. or J ^. Join the points z-7, /-t?, (5*-p, g-io, and… … Bisect the angles A, B, and C by linesmeeting at i; bisect the right angle C 2 Bto obtain J, the centre of one of the requiredcircles. With i as centre and z-j as radius,describe a circle giving points 4 and 5.J, 4, and 5 are the centres of the requiredcircles. The shortest distance, as j-(5, froma…
Mechanical drawing
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-101-226.webp)
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-110-284.webp)
