ALL teachers of electrical engineering are aware of the need for a text-book on the drawing and construction of electrical apparatus. This attempt, however, to supply the need is disappointing.

IN this text-book the author presents a course of instruction which he considers suitable for students attending elementary drawing classes who are unable to spare more than one evening per week, and ...

Here I have made a simple Polar CNC drawing machine, I kept is as simple as possible complete structure is made out of wood. I avoid to use 3D printer to keep it simple, so anyone can made it. So ...

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