"Digital and Analog Computers" by Joh Kenzo and Makinouchi Saburo

This was Japan's first book devoted to computers, published by Kyoritsu publishing company in 1953. It described topics such as computing machinery prior to electronic computers (i.e. desktop calculators and statistical machines (PCS)), switching theory, the ENIAC (as a decimal vacuum tube computer), details on binary vacuum tube computers, and differential analyzers.

Cover of "Digital and Analog Computers"