A 19th Century Telephone Network Covered Stockholm in Thousands of Phone Lines

In the late 19th century, shortly after the patent of the telephone, the race was on to connect everyone to the phone grid. However, due to technical limitations of the earliest phone lines, every telephone required its own physical line strung between a house or business to a phone exchange where the call was manuallyContinue reading "A 19th Century Telephone Network Covered Stockholm in Thousands of Phone Lines"