Manual of cardboard construction for third, fourth, and fifth grades (1902)
Kunou, C. A. (Charles A.) · Los Angeles : Los Angeles City Public Schools · leaf 46
40 … 41 354 Course 154 Course*jf^o* h flDpen IBoit* Construction: Draw a rectangle 7x5. Draw lines 1 inside and parallel to sides of rectangle. Draw 1/4 flap lines in the corner squares. Produce the diagonal of corner squares and the same willcut flap lines obliquely as shown in drawing. Cut around…
Paper work
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-145-362.webp)
