Frank threw open these doors.
Harmon beheld a wonderful sight.
There upon stocks was the submarine boat.
In all his life Harmon had never seen the like.
He had been a sea captain once himself, and knew the lines of a boat well.
But he had never seen anything more beautiful than this.
“Upon my word, Frank,” he exclaimed, “you have outdone yourself!”
“I think the Explorer is built on good lines,” said Frank, modestly.
“You are just right.”
The Explorer, which was the name given the submarine boat, was a long, cylindrical craft, with a sheer-pointed bow, carrying a huge steel ram on the end, shaped like a knife.