Morse Code Key Mounted on Wooden Base with 4mm Wire Terminals - Eisco Labs

This is a telegraph / Morse code key. This encompasses all the key components to a telegraph key. Parts include Two 4mm Terminals, Black knob, 2 contact key adjustment screws mounted on Aluminum bar which is spring loaded. Fitted on 6" x 4" wooden rectangular base with 4 rubber padded feet. Terminals allow for 4mm banana plug or can be loosed to allow for bare wires to be clamped down. Can also be used for simple spring loaded on / off switch to demonstrate a switch with in a circuit.