CHAPTER XVII
The Search of the Tower
When the Hardy boys reached Tower Mansion that morning the door was answered by Hurd Applegate himself. The tall, stooped gentleman peered at them through his thick-lensed glasses. In one hand he held a sheet of stamps, for it was his custom to devote the mornings to his collection.
"Yes?" he said testily, for he was annoyed at being disturbed. "What do you boys want here at this hour of day?"
"You remember us, don't you?" asked Frank politely. "We're Mr. Hardy's sons."
"Fenton Hardy, the detective? Are you his boys?"
"Yes, sir."
"Well, what do you want?"
"We'd like to take a look through the old tower, if you don't mind. We've got a new clue about the robbery you had here a while ago."
"Want to look through the old tower? Of all the impudence! What do you want to look
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