Construction work in cardboard and paper for grades I to IV, without the use of tools; with a course in woodwork for the fifth grade (1900)
Smith, Robert Mackie, comp · Chicago, A. Flanagan Co · leaf 59
ded by six squares and eight equilateraltriangles. The box and the sphere last made may be modifiedat the will of the constructor, to make a number of otherconstructions, among which we may mention the dollscradle (Fig. 20). By superposing a narrow rectangle on a wider rectangle(Fig. 21), and by…
Paper work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.