October 7, 1954: IBM Gets Transistorized

1954: IBM builds the first calculating machine to use solid-state transistors instead of vacuum tubes.
IBM already had a business selling calculating machines, and it was humming along quite nicely. The IBM 604 Electronic Calculating Punch, which IBM introduced in 1948, was a desk-sized cabinet that ate and spat out punch cards in its single-minded mission [...]

Source: http://www.wired.com/thisdayintech/2010/10/1007ibm-transistor-calculator/

EMULEX EMS TECHNOLOGIES EMC ELECTRONICS FOR IMAGING