Manual of cardboard construction for third, fourth, and fifth grades (1902)
Kunou, C. A. (Charles A.) · Los Angeles : Los Angeles City Public Schools · leaf 71
r, and BD or CD as radius.On the arc set off distance equal to CD.Draw FB and EB.Draw AC and AD.On AC and AD draw semicircles 1 and 2, with 1/2 radius and 1 from C and D.Draw lines 3 and 4 for flaps 1/2^ wide.Cut around figure with scissors on the full lines.Score on dashed lines.Fold figure inward…
Paper work
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
