1940s, Harvard Mark I Computer (IBM Automatic Sequence Controlled Calculator, ASCC) analog computing component by Hannibal Ford Instrument Company, Division of Sperry Rand Corporation. United States: New York, Queens, Long Island City. Mechanism of perfectly coordinated and movable gears. Belongs to the first electromechanical computer, built at IBM and brought to Harvard in 1944. It had 760,000 wheels and 800 kilometers of cable and was based on Charles Babbage's Analytical Machine. It measured about 15.5 meters long, 2.40 meters high and about 60 centimeters wide, and weighed about five tons. It has an identification plate, BUR. ORD. ASSEMBLY ORG. No. 210316 Ser. No. 66, and several serial numbers engraved elsewhere. Size: 14x14x9 cm. Weighs 1.400 kg. Good condition. (PC computer, computer science, calculator, processor, calculation, mathematical machine).