A basic guide to the materials, practices, and drawing methods used in drafting341 illustrates a typical schematic or elementary diagram, as this type of drawing is called. ... Use the standard electrical symbols of the American Society of Mechanical Engineers (A.S.M.E.) contained in American Standard Y32.2, approved byanbsp;...
|Title||:||Drafting made simple|
|Publisher||:||Doubleday Books - 1962-03-01|