368 / | HD | HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES |
124 | DF | ESCAPEMENTS {1} |
125 | DF | .~ With oscillating or reciprocating means {3} |
127 | DF | .~.~ Balance wheel type {3} |
129 | .~.~.~ Carrying impulse receiving means {1} | |
130 | DF | .~.~.~.~> On balance shaft {1} |