Special Features:

Engraved yegend reads sin, sq/pps, dly/discrete, sample; major components: housing 1, t-1-3/4 midget flange base lamps 4, red lamp filters 4, three-way split engraved lens 1

Properties:

Two or more different types of items having a common mounting or mounted on each other which together forms a portion of a switch but which in itself is not a complete functioning item and cannot be assigned a more definite item name. See also switch section, rotary and contact assembly, electrical.