The electrician twirled his thumbscrews. Henry tested the key for a moment, then threw over the switch and sent his call speeding through the night: “CBWC—CBWC—CBWC—de—CBE.”

“You send well,” said the chief electrician.

For a few moments the two operators sat, their phones clamped to their ears, listening intently. There was no response.

CBWC—CBWC—CBWC—de—CBE,” once more rapped out Henry.

This time there came a faint answer: “CBE—CBE—CBE—de—CBWK—K.”

“You’ve got ’em,” commented the electrician. “Go ahead.”

“Reached New York all right,” wired Henry. “Both Willie and Roy out of town. Made the acquaintance of Captain Hardwick, of the Coast Guard cutter Iroquois. Am going to sea for a short trip as his guest. We are now in Lower New York Bay, heading for Ambrose Lightship. We are to find a derelict and destroy it. Please tell mother to write me in care of Captain Hardwick. Will send her a letter as soon as we get back.”

There was a long pause. Then the receivers began to buzz again. “Your mother is here,” came the message. “Wants to know more about your trip.”

Henry turned to his companion. “They are talking from the workshop in our back yard,” he explained. “It’s headquarters for our wireless club. We call it The Camp Brady Wireless Patrol. They’ve called mother out to the shop.”

Then he pressed the key again. “Tell her I’ll write,” he flashed back, and turning again to the chief electrician, he said with a grin: “Gee! I’d never dare tell her that I fell overboard. She’d have a fit and order me right home.”