begin to guess what you know about practical railroading. Who did you see—the master mechanic?"
"No—depot master."
"What—not put on duty here with us?" exclaimed Ralph in a really pleased tone.
"That's it," announced Slavin grandly.
"Well, I am truly glad," said Ralph.
"So am I," put in Knight—"I'll catch your mistakes like a true friend, and help you along like a brother."
"I am not going to make any mistakes," declared Slavin confidently.
"Oho! aint?" said Knight softly.
"No, sir. I've watched you two closely. It's simple. You get 7. Pull 7. Muscle does it."
"That so?" continued old Jack, in a slow, pitying drawl. "Well, well! Now, just to demonstrate, suppose you take a test?"
"I'm your man!" cried Slavin, pulling off his coat and striking an attitude.
"Double switch," called out Knight—"18 and 19."
Slavin wavered, Knight had called out two levers way down the line, rarely used. Slavin's eyes ran the long array. Then he got his bearings, and swung his arms down into the battery with a ponderous swoop.
