US ARMY / SCIENCE PHOTO LIBRARY US ARMY / SCIENCE PHOTO LIBRARY
BRLESC I (Ballistic Research Laboratory's Electronic Scientific Computer). Technician operating the console of a first-generation general-purpose electronic computer that went into operation in 1962. Designed and built by the US Army's Ballistic Research Laboratory in Maryland, BRLESC I solved ballistics, logistics and evaluation problems at a rate of 5 million operations per second. The input and output devices used punch cards and magnetic tape (seen at right and left). The console (centre) displayed what was happening inside the machine. The man at the console is Lou Moeller, the man by the door is Horace Burkintere. A photo of ENIAC, BRLESC's grandparent computer, is at upper right.
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