Signal Electric telegraph key crafted by Signal Electric MFG Co. with corresponding International Morse Code plate affixed on the top panel. Made of wood with brass components, it measures 7 inches high, 5 inches wide, and 2 inches deep. The lot includes the original Burgess Twin Ignition 3-volt battery featuring striped design and manufacturer's label. Both items show signs of age and use appropriate to their time period and intended purpose. Wires for connection are present accompanying each piece.