Weaver, Emily A. [from old catalog] · Springfield, Mass., M. Bradley company · leaf 39
Fig. 90. Fig. 90.—Fold and arrange four irregular pentagons arounda hollow square. … Fig. 91. Fig. 91.—Make and use four irregular pentagons, having theacute corners meet in the center. PAPER AND SCISSORS IN THE SCHOOLROOM. 35
Paper work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![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-48-64.webp)
