mechanical drawing

Pencils for mechanical drawing should be sharpened with a chisel point, and those for freehand work with a round point.

Its purpose is to furnish teachers of classes beginning mechanical drawing with a large number of simple, practical problems.

If you have a steady hand, you should exercise yourself at it as much as possible, and learn mechanical drawing at the same time.

The English boy studied mechanical drawing, and is now a successful designer in an architectural iron-works.

(c) Translate the selected sketch to a full size mechanical drawing or at least to a reasonably large scale drawing.