"Why, are you going to build another airship or submarine?"
"No, but I'm going to see— Oh, what do you want to know for, anyhow?" demanded the young inventor with a blush. "Can't a fellow go see a girl without being cross-questioned?"
"Oh, of course," replied Ned with a laugh. "Give Miss Nestor my regards," and at this Tom blushed still more. But, as he said, that was his own affair.