Special Features:

Incandescent alpha character; supply voltage five volts ac or dc; two terminals made of a nickel and silver alloy; distance between terminals parallel to length 0.150 ins.; body dimensions: lg. 0.465 in. W. 0.100 ins.Ht. 0.312 ins.; terminal length 0.140 ins.; display will be an "e" for east or a "w" for west;

Properties:

An indicator which displays incremental information derived from discrete electronic signals from another item, such as a computer, on the face of a cathode ray tube, or by means of gaseous discharge type lamps which are part of a decade counting device. The displayed data may be in the form of letters, numerals, symbols, or any combination thereof. For liquid crystal displays or semiconductor type, see also display, optoelectronic. Excludes annunciator and alarm (as modified). See also counter, electronic, digital; indicator, symbol indicating; and voltmeter.