But in spite of occasional discouragements they worked on, cheered by the knowledge that they were making steady, if sometimes slow, progress.
There were so many really worth-while improvements being perfected each day that they really found it difficult to keep up with them all.
“Wish we could hear Cassey’s voice again,” said Herb, one day when they had tuned in on several more or less interesting personal messages.
“I don’t know what good it would do us,” grumbled Joe. “If he speaks always in code he could keep us guessing till doomsday.”
“He’s up to some sort of mischief, anyway,” said Bob; “and I, for one, would enjoy catching him at it again.”
“We would be more comfortable to have Dan Cassey in jail, where he belongs,” observed Jimmy.
But just at present the trailing of that stuttering voice seemed an impossible feat even for the radio boys. If they could only get some tangible clue to work on!
They saw nothing of Buck Looker or his cronies about town, and concluded that they were still at the lumber camp.
“Can’t stay away too long to suit me,” Bob said cheerfully.
It was about that time that Bob found out about Adam McNulty. Adam McNulty was the blind father of the washerwoman who served the four families of the boys.