| 314 / | HD | ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES |
| 26 | ![]() | WITH VENTILATOR, FUME FLOW SHIELD, FUME CONDENSER AND/OR TEMPERATURE MODIFYING MEANS {4} |
| 27 | DF | .~> Movable type, connected to the electrode or electrode-moving mechanism |
| 28 | DF | .~> Ventilator, fume director and/or condenser |
| 29 | DF | .~> Liquid-circulating type |
| 30 | DF | .~> Radiating transmitter type |