33 / | HD | GEOMETRICAL INSTRUMENTS |
700 | DF | DISTANCE MEASURING {13} |
783 | DF | .~ Opposed contacts {10} |
792 | DF | .~.~ Rotary indicator {4} |
794 | DF | .~.~.~ Hand held implement {3} |
797 | DF | .~.~.~.~ Pivoted type {1} |
798 | DF | .~.~.~.~.~ Center pivot {3} |
800 | .~.~.~.~.~.~ With spring adjustment means |