
 The IBM ASCC (Site not responding. Last check: 20071021) 
  Also called the Harvard Mark I. It was built in 194043 and remained operational until 1959. 
  It is 51 feet long, weighs 5 tons, and incorporates 750,000 parts, including 72 accumulators and 60 sets of rotary switches, each of which can be used as a constant register, plus card readers, a card punch, paper tape readers, and typewriters. 
  Aiken wanted to make a calculator that could retain mathematical rules in its memory and not require reprogramming for each new set of problems. 
 www.columbia.edu /acis/history/mark1.html (497 words) 
