Vintage Computer IBM Mainframe 604 Electronic Calculating Punch Wiring Plugboard For Sale

Vintage Computer IBM Mainframe 604 Electronic Calculating Punch Wiring Plugboard
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Vintage Computer IBM Mainframe 604 Electronic Calculating Punch Wiring Plugboard:
$99.95

Vintage Computer IBM Mainframe 604 Electronic Calculating Punch Wiring Plugboard
From Columbia.edu Computer History Web page:\"The IBM 604 Electronic Calculating Punch with Type 521 Card Reader/Punch, 1948. The 604 performed addition, subtraction, multiplication, and division hundreds of times faster than any of IBM\'s earlier electromechanical machines, and was the first IBM product to use modular vacuum-tube based pluggable units, later used in IBM\'s NORC and 701computers. The 604 was programmable via plugboardand could execute a program of up to about 60 steps. Footprint: 53 by 33 inches; contained 1100 vacuum tubes and 125 relays. Power consumption 7.59 Kva. Weight: 1949 pounds. More than 5000 were sold (or, rather, rented at $645 per month, 1948 dollars, for the 604 and 521).\"
On plugboard data plate is:911 14888 Property ofInternational Business Machines500 Madison Ave, New York 22, NYCondition is good as shown. No wires. See photos.
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