W-S-570A, FEDERAL SPECIFICATION: SOLDERING IRON, ELECTRIC (21 APR 1961) [S/S BY A-A-59284]
W-S-570A, FEDERAL SPECIFICATION: SOLDERING IRON, ELECTRIC (21 APR 1961) [S/S BY A-A-59284]., This specification covers electrically powered soldering irons
designed for hand soldering.