Manual of cardboard construction for third, fourth, and fifth grades (1902)
Kunou, C. A. (Charles A.) · Los Angeles : Los Angeles City Public Schools · leaf 27
a square, stand-ing on its diagonal. With triangles draw lines x, x, 4 long at right angles tothe horizontal diagonal. Draw the base line parallel to the horizontal diagonal andthrough the extremity of the vertical. Draw flap l-nes Vo below base line. Make ends of flai)s oblique as shown in…
Paper work
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
