It was made for a stove pipe.

If we were up there we could see into the jury room." They moved quietly down the corridor until they stood under the aperture, which was four or five feet above their heads.

Through it they could hear the sound of voices but could not distinguish the words that were being spoken.
"The jury," explained Neil.

"They're in a devil of a hurry! I wonder why ?" Nathaniel could feel his companion shrug himself in the darkness.
"Lord--for my revolver!" he whispered excitedly.

"One shot through that hole would be worth a thousand notes to the girls!" He caught Marion's brother by the arm as a voice louder than the others came to them.
"Strang!" "Yes--the--king!" affirmed Neil laying an expostulating hand on him.
"Hush!" "I would like to see--" Even in these last hours of failure and defeat the fire of adventure flamed up in Nathaniel's blood.