Special Features:

Cengraved lens @legend data /cone, incr/shtr, incr/cone, decr/shir, decr/; major components: mounting housing 1, four lamp module 1, green lamp filters 4, four-way split display screen 1, lens plate 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.