Bell Labs on Twitter: "Jan 27, 1948, @IBM dedicated its Selective Sequence Electronic Calculator (SSEC) next to its New York City headquarters. This early computer had 12,500 vacuum tubes, 21,400 relays and
![Bell Labs Twitterren: "Jan 27, 1948, @IBM dedicated its Selective Sequence Electronic Calculator (SSEC) next to its New York City headquarters. This early computer had 12,500 vacuum tubes, 21,400 relays and was Bell Labs Twitterren: "Jan 27, 1948, @IBM dedicated its Selective Sequence Electronic Calculator (SSEC) next to its New York City headquarters. This early computer had 12,500 vacuum tubes, 21,400 relays and was](https://pbs.twimg.com/media/DUjDz9qUQAAtnv9.jpg)
Bell Labs Twitterren: "Jan 27, 1948, @IBM dedicated its Selective Sequence Electronic Calculator (SSEC) next to its New York City headquarters. This early computer had 12,500 vacuum tubes, 21,400 relays and was
![This Day In Information: IBM's SSEC and Creating the Public Image of Computers | The Story of Information This Day In Information: IBM's SSEC and Creating the Public Image of Computers | The Story of Information](https://infostory.files.wordpress.com/2011/01/newyorker_ssec.jpg)