Search results with tag "American national standard graphic symbols"

American National Standard - National Optical Astronomy ...

This American National Standard is a revision and expansion of American National Standard Graphic Symbols for Electrical and Electronics Diagrams, Y32.2-1970 (IEEE Std 315-1971). A variety of specialized symbols originally used for aircraft applications have been added to make

  American, Standards, National, Symbols, Graphics, American national standard, American national standard graphic symbols