The Switchboard Problem: Scale Signaling and Organization in Manual Telephone Switching 1877 to 1897

This is a summary of how the manual switching problem was scaled at the very beginning of the implementation of the wired phone system in the late 1800s.  It was not a trivial problem.

The-Switchboard-Problem-Scale-Signaling-and-Organization-in-Manual-Telephone-Switching-1877-1897.pdf

Research Links

• JSTOR: The Switchboard Problem: Scale, Signaling, and Organization in Manual Telephone Switching, 1877-1897