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} |