The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 91
Fig. 20. 42 GEOMETRICAL PROBLEMS. … 21. To draw a circle with agiven radius R that will be tan-gent to two given circles A and B (Fig. 21). — From centre of circleA with radius equal R plus radiusof A, and from centre of B withradius equal to R + radius of B,draw two arcs cutting each other inC. which will be the centre of thecircle…
Mechanical engineering
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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-104-252.webp)
