| 708 / | HD | ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING |
| 800 | DF | ELECTRICAL ANALOG CALCULATING COMPUTER {1} |
| 801 | DF | .~ Particular function performed {15} |
| 823 | ![]() | .~.~ Integrator {10} |
| 824 | DF | .~.~.~> Plural integration |
| 825 | DF | .~.~.~> Plural mode (e.g., plural scale) |
| 826 | DF | .~.~.~> Reset |
| 827 | DF | .~.~.~> Drift correction |
| 828 | DF | .~.~.~> Having simultaneous calculation of another function |
| 829 | DF | .~.~.~> Having a voltage to frequency converter |
| 830 | DF | .~.~.~> Electromechanical |
| 831 | DF | .~.~.~> Electro-optical |
| 832 | DF | .~.~.~> Magnetic or electromagnetic |
| 833 | DF | .~.~.~> Amplifier with additonal feedback loop {1} |