How to teach paper-folding and cutting: a practical manual-training aid (1892)
[Litchfield, Norma MacLeod] [from old catalog] · Lebanon, Ohio, March brothers · leaf 61
Uo U Illustration No. 82 shows the result. In all probabil-ity many trials will be needed before perfect poly-gons will be cut. The eye must be trained. After 58 PAPER-FOLDING AND CUTTING. practicing with the squares, take irregular-shapedpieces of paper and fold and cut them. … POLYGONS AS A BASIS FOR DESIGNS. Very beautiful designs can be formed from thesepolygons. It will be readily seen that anythingdrawn on one of the folded triangles forming the
Paper work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-375-258.webp)
