“Of course. Say, ain’t you stayin’ kinder late?”

“Yep. The boss went off, an’ left me a lot of letters to copy. What you doin’ in your office?”

“Oh, I’m teachin’ a friend of mine how to run the switchboard. Let me introduce you to him. Hey, Tom Baldwin, that’s my friend, Pete Lansing, on the other end of the wire.”

“Glad to meet you,” answered Tom, thinking this was a novel form of introduction.

“Same to you. Keep the change!” exclaimed Pete with a laugh. He seemed to be the same jolly sort of a lad Charley was. “Call me up again. I’ve got to get these letters done to put in the mail,” he added.

“So long!” called Charley.

“Good-by,” supplemented Tom, and then a click in the receiver told that Pete had disconnected.

“See how it’s done?” asked Charley, coming from the inner room.

“A little,” answered Tom.

“Now it’s different when some one calls up, and wants a member of the firm,” went on his mentor. “If central would only ring up I’d show——”