Special Features:

Component type and quantity: cement-glyptal 1, magnet assembly 1, solder-rosin core 1, varnished tubing 3; mounting configuration: mounted by bracket on diaphram

Properties:

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a signal generator, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.