theparisreview:

On this day in 1878, the world saw the first telephone directory. The twenty-page book, which listed the numbers of phones in New Haven, Connecticut, instructed users not to “use the wire more than three minutes at a time, or more than twice an hour.”

theparisreview:

On this day in 1878, the world saw the first telephone directory. The twenty-page book, which listed the numbers of phones in New Haven, Connecticut, instructed users not to “use the wire more than three minutes at a time, or more than twice an hour.”