| 708 / | HD | ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING |
| 100 | DF | ELECTRICAL DIGITAL CALCULATING COMPUTER {10} |
| 105 | ![]() | .~ Combined with diverse art device {6} |
| 106 | DF | .~.~> Checkbook |
| 107 | DF | .~.~> Writing instrument (e.g., pen) |
| 108 | DF | .~.~> Tape recorder |
| 109 | DF | .~.~> Communication device (e.g., telephone, radio, television) |
| 110 | DF | .~.~> Business device (e.g., billing, memorandum) |
| 111 | DF | .~.~> Horological device {1} |