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
![IBM on Twitter: "IBM Selective Sequence Electronic Calculator, built in 1946, on display at @NYHistory's #SiliconCity exhibit. #FBF https://t.co/BiRHq2kqUF" / Twitter IBM on Twitter: "IBM Selective Sequence Electronic Calculator, built in 1946, on display at @NYHistory's #SiliconCity exhibit. #FBF https://t.co/BiRHq2kqUF" / Twitter](https://pbs.twimg.com/media/CZ50MgNWIAAmP5Y.jpg)
IBM on Twitter: "IBM Selective Sequence Electronic Calculator, built in 1946, on display at @NYHistory's #SiliconCity exhibit. #FBF https://t.co/BiRHq2kqUF" / Twitter
![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?w=640)
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 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/deskset.jpg)