On This Day in Telephone History March 17TH 1891 “Twisted Pair” became a thing. John J Carty of Cambridge, MA presented his paper “Inductive Disturbances in Telephone Circuits” to the American Institute of Electrical Engineers. Twisting telephone wires renders them free from inductive disturbances.

On This Day in Telephone History March 17TH 1891

by

 

On This Day in Telephone History March 17TH 1891 “Twisted Pair” became a Thing.

John J Carty of Cambridge, MA presented his paper “Inductive Disturbances in Telephone Circuits” to the American Institute of Electrical Engineers. Twisting telephone wires renders them free from inductive disturbances.

 

https://goo.gl/pfQ772