| 33 / | HD | GEOMETRICAL INSTRUMENTS |
| 700 | DF | DISTANCE MEASURING {13} |
| 783 | DF | .~ Opposed contacts {10} |
| 813 | DF | .~.~ Micrometer {10} |
| 821 | DF | .~.~.~ With preliminary setting arrangement {4} |
| 823 | DF | .~.~.~.~ Micrometer slidably mounted on a beam {1} |
| 824 | ![]() | .~.~.~.~.~ Other contact slidable on beam |