Manual of cardboard construction for third, fourth, and fifth grades (1902)
Kunou, C. A. (Charles A.) · Los Angeles : Los Angeles City Public Schools · leaf 21
diagonal. Cut out square with scissors. Cut on each diagonal to the 1/2 mark, as in drawing. Roll right hand corner over and upward, as in sketch. Insert a pin through the ends of wings and center of square,and fasten to end of lead pencil and let pupils spin their mills.Materials: Coverpaper and… … 16
Paper work
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