"Moth-er!" Spencer's voice summoned her. Mr. Bill was going now, but he left the radio for Spencer to examine, and a book about it.

"An' he's going to see the superintendent about wires to catch things on, and we can't rig it truly until he gets a wire." Spencer clasped the book under one arm, and drew the black box nearer him along the table. "It's the most inturusting thing I ever saw, Mother." His eyes were bright with pleasure.

"I'm sorry," said Bill, "that we can't install it to-night. But perhaps to-morrow——"

Catherine went to the door with Bill.

"It was good of you to come in," she said. "He's had a dull time."

Bill had his hand on the knob.

"I've been out of town again for a week," he said. "Henry kept me posted."

Then he was going, but Catherine caught at his arm.

"Bill"—in a sharp whisper—"do you think it was my fault? Do you?"