Museum volunteer Sarah the “Switch Witch” has a deep passion for old phone equipment, and gives an excellent description of the trouble recorder, the problems it solved, and how it works ...

Present electromechanical switching systems may soon be replaced by even faster electronic ones The operation of the network linking the 75 million telephones in the U.S. requires fast and ...

There’s an old adage about waiting hours for a bus only for two to appear at once, and for Hackaday this month we’re pleased to have seen this in a run of analogue telephone projects.