Set squares are drawing instruments used to create vertical, horizontal, and diagonal lines as well as certain angles. They may be shaped as squares, Ls, or triangles, although in American usage set ...
In the early '60's, all freshmen at Worcester Polytechnic Institute had to take a semester of mechanical drawing and another semester of descriptive geometry. So we all bought drafting sets and a ...
Set squares are drawing instruments used to create vertical, horizontal, and diagonal lines as well as certain angles. They may be shaped as squares, Ls, or triangles, although in American usage set ...
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