Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 104
84. To square a Circleplane. R = 0-650744 rf -1-30148 r =0-7071 5.5 -* 0-886226 d = 1-77245 r = 1-4142 R.d = 1-12831 S = 1-5367 £ = 2 r. Polyhedrons. P5
Mechanical engineering · 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-282-453.webp)
