BUTTERSTAMP TELEPHONE, 1900's

So called because it is shaped like a butter stamp.
This early telephone instrument was used for transmitting and receiving.

Your comments:

• These were first used in around 1878 up until 1890's. They are better know as wooden receiver. Butter Stamp receiver usually refer to the type/model before this one.
  .......... John Tipo Hui ( member ATCA & TCI in the U.S.), San Jose, CA USA, 9th of April 2015
  
  

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