EE-20

An apparatus designed to transmit signals by the use of bells, and lamps.

Components

• BC-92 cast iron box, 8.75 X 7 X 8
• M-54 bell X2
• LM-12 X26
• M-55 nipple
• JM-7 outlet
• PL-24
• PL-25

References

• 1920 storage catalog