CHAPTER 16In the radio room, he leaned over his table, threw the switch engaging the receiver, then the general switch connecting the receiver with the antenna. After that he threw the power-supply and transmitter switches to give them a chance to warm up. He clasped the earphones over his head, and then manipulated the dials on the panel board for the station he wanted, the short-wave station of Tommy Wiley. He heard whistlings as he turned the dials; he heard a message clicking from a ship; he heard someone giving XVL, the call letters. Then he engaged the transmitter, and with the operating key sent out “C Q” half a dozen times. There was not much chance of getting a reply from the little sending set of Tommy Wiley. He could only hope that the condenser and coil of his invention were tr
