315 / | HD | ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS |
227 R | DF | CONDENSER IN THE SUPPLY CIRCUIT {10} |
241 R | .~ Condenser in shunt to the load device and the supply {3} | |
242 | DF | .~.~> With an inductance in the circuit {1} |
241 P | DF | .~.~> Photoflash |
241 S | DF | .~.~> Strobe lights |