Computers! from sand table to electronic brain, by Alan Vorwald and Frank Clark. Illustrated by Frank Aloise. Vorwald, Alan. Clark, Frank, 1922-2007. Calculators Juvenile literature. Computers Juvenile literature. QA75 .V62 1964 510.78 VOC New York, Whittlesey House [1961] [1961] 1964 Text 176 p. eng