Manual of cardboard construction for third and fourth grades (1902)
Kunou, Charles A. [from old catalog] · [Los Angeles?] · leaf 45
41 B4 COURSE B4 COURSE.No, 1. Open Box.Construction: Draw a rectangle 7 x5. 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 will cut flap lines obliquely as shown in drawing.Cut around figure on… … 44
Paper work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
