CMS:Early Telephone History Display
The Early Telephone History Display is the first display visitors see on the third floor of the Connections Museum. It contains a working bidirectional telegraph as well as several replicas of early telephones.
Telegraph display
Western Electric No. 21A
The Western Electric No. 21A is a bidirectional single wire telegraph. It features No. 3C sounders which amplify the signals on each side with hollow brass mounts. The tin cans mounted to the sounders were there when the telegraph was acquired by the museum. Tin cans would often be used to further amplify telegraph sounds in addition to the sounders.
??'s Typewriter
This typewriter belonged to ??
Morse code training device
Other sounders
Early phone replicas
Gallows transmitter
This replica of the Gallows transmitter is from a Bell commemoration.
Liquid transmitter
This replica of Alexander Graham Bell's liquid transmitter is from ??