The Stockholm Telephone Tower With Approximately 5 500 Telephone Lines 1890
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 manually connected by a live operator. The somewhat quixotic result of so many individual lines was the construction of elaborate and unsightly towers that carried hundreds to thousands of phone lines through the air. In Stockholm, Sweden, the central telephone exchange was the Telefontornet, a giant tower designed around 1890 that connected some 5,000 lines that sprawled in every direction across the city....