“Why! It was new and——”
“Yes, I know, but see these marks on it. What are they?”
“Cantering cantilevers, the marks of a file!” cried Joe.
“That is what I thought. That fellow was too slick not to have turned some trick like that.”
CHAPTER XI.
“THERE’S MANY A SLIP.”
Ding-dong accomplished his repairs in a shade under the fifteen minutes he had allowed for the operation.
“All ready!” he reported up the speaking tube.
“Come ahead!” cried Nat eagerly.