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 ...

Arduino enthusiasts that are looking for a new creative project to build, might take inspiration from a new electromechanical drawing machine that has been built, which is powered by music and has ...