| 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 |