Retrotechtacular: AT&T’s Hello Machine

1ESSHow many Ma Bell employees does it take to build an ESS mainframe? This week, Retrotechtacular takes you into the more poetic recesses of the AT&T Archive to answer that very question. This wordless 1974 gem is an 11-minute exploration of the construction and testing of a Western Electric 1ESS. It begins with circuit board population and ends with lots of testing.

 

 

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The film is really quite groovy, especially the extreme closeups of wire wrapping and relay construction. The soundtrack is a string-heavy suite that moves you through the phases of bringing up the 1ESS while drawing parallels to the wires of communication. You may lose count of the punch down blocks and miles of cables, but there are surprisingly few mustaches.

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