Again the young man smiled.
"And this old gentleman for whom she keeps house—what of him?"
It was plain Madam Lee had all the facts well in mind.
As best he could Bob sketched Willie in a few swift strokes.
"Humph! An interesting old fellow. I should like to see him," declared Madam Lee when the narrative was done. "And so you are working on this motor-boat with him?"
"Yes."
"How long have you been here?"
"Ten days."
"And when do you go back to your family?"
"I don't quite know," hesitated the big fellow. "There is still a great deal to do on this invention we are working at."