“Better get in connection with some soap and water, Herb,” he said. “Just now you look like the lead for a minstrel show.”
“Never mind, Herb,” Joe flung after the disconsolate scientist as he made for the door. “As long as you don’t hurt anything but Jimmy’s doughnuts, we don’t care. You can have as many explosions as you like.”
“Humph, that’s all right for you,” retorted Jimmy. “But I’ll have you know I spent my last nickel for those doughnuts.”
“Just the same,” said Bob soberly, as they returned to the problem of the vacuum tube, “we’re mighty lucky to have come off with so little damage. Mixing chemicals is a pretty dangerous business unless you know just what you’re doing.”
“And even then it is,” added Joe.
CHAPTER IX
A HAPPY INSPIRATION
The days passed by, the boys becoming more and more engrossed in the fascination of radio all the time. They continued to work on their sets, sometimes with the most gratifying results, at others seeming to make little headway.