The Design, Construction, and Use of a Tri-color Projection Box to be Used in the Instruction of Orthographic Projection
Description:
The purposes of the study were as follows: first, to study the literature in the field of teaching drafting with special reference to the use of instructional aides in presenting orthographic projection concerning the use of a projection box; second, to ascertain the value of the use of a tri-color projection box in teaching orthographic projection to an experimental group of students at the R. L. Turner High School, Carrollton, Texas; and third, to determine if an analysis of these data indica…
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Date:
May 1969
Creator:
Harrison, Denist D.