| 33 / | HD | GEOMETRICAL INSTRUMENTS |
| 700 | DF | DISTANCE MEASURING {13} |
| 783 | DF | .~ Opposed contacts {10} |
| 792 | DF | .~.~ Rotary indicator {4} |
| 794 | ![]() | .~.~.~ Hand held implement {3} |
| 795 | DF | .~.~.~.~> Beam type {1} |
| 797 | DF | .~.~.~.~> Pivoted type {1} |
| 802 | DF | .~.~.~.~> Rectilinear push or pull actuator |