Barney and Pomp were always digging at each other, though really the warmest of friends.

“Well, Frank,” continued the neighbor, “when will you reveal to your friends the nature of your new invention?”

“Now,” replied Frank, with a smile.

“Indeed?”

“I mean it.”

The neighbor was surprised.

“What may it be, then? A new kind of flying machine?”

“No,” replied Frank quietly, “it is far different from that. It is nothing more than a submarine boat.”

“You don’t mean it?”

“Yes.”