Heavy industry telephone

This telephone was meant to be used in noisy environment, such as in factories or mines. It is equipped with a neon lamp that indicates that the phone is ringing. Another feature is an auxiliary earpiece so that two people can hear the conversation simultaneously.

How to hang up: Put the plate on the top of the earpiece under the hook on the phone. Push the hook up with the earpiece and put the bottom of the earpiece into the holder. Please make sure that the phone is hung up correctly after ending your conversation.