Condenser telephone

The 1895 Patent diagram of the Phonopore telephonic system

The condenser telephone, also known as the Phonopore telephone system, was an invention first patented in 1892 and subsequently introduced in many countries in large numbers, whereby telephone voice communications could be made over existing Morse code telegraph infrastructure at a low installation and running cost.

单词	Condenser Telephone
释义	Condenser Telephone 英语百科 Condenser telephone The condenser telephone, also known as the Phonopore telephone system, was an invention first patented in 1892 and subsequently introduced in many countries in large numbers, whereby telephone voice communications could be made over existing Morse code telegraph infrastructure at a low installation and running cost.
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Condenser Telephone

Condenser telephone