708 / | HD | ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING |
800 | DF | ELECTRICAL ANALOG CALCULATING COMPUTER {1} |
801 | DF | .~ Particular function performed {15} |
835 | .~.~ Multiplication {7} | |
836 | DF | .~.~.~> Time division |
837 | DF | .~.~.~> Quarter-square |
838 | DF | .~.~.~> Having charging or discharging of energy storage device |
839 | DF | .~.~.~> Photomultiplier |
840 | DF | .~.~.~> Electromagnetic {1} |
842 | DF | .~.~.~> Electromechanical (e.g., servo-multiplier) |
843 | DF | .~.~.~> With alternative division |