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jan 1, 1880 - Coaxial Cable

Description:

a cable that consists of an insulated conducting tube through which a central, insulated conductor runs, used for transmitting high-frequency telephone, telegraph, digital, or television signals

Group Insights:
a part of something else used to communicate

Added to timeline:

18 Dec 2017
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Date:

jan 1, 1880
Now
~ 145 years ago

Images: