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Danish Telephone Museum Danish telephones through time. The history of the telephone.	George M. Phelps master telegraph instrument maker and inventor from Troy, New York.
Memorial to the Bell System, A [read review	Sparks Telegraph Key Review pictorial and historical review of the telegraph key.
Telegraph and Scientific Instrument Museum museum of telegraph, antique scientific instruments, radios, microphones, and computers with hundreds of photographs and descriptions.
Telephone History Telephone History