314 / | HD | ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES |
101 | DF | RELEASABLE ELECTRODE OR RODGRIPPER TYPE {4} |
105 | DF | .~ Electromagnetically operated {2} |
106 | DF | .~.~ Plural electromagnet coils {3} |
108 | .~.~.~ Interconnected lever systems {1} | |
109 | DF | .~.~.~.~> Common oscillating lever or armature |