Daguerreotype Apparatus.—Set up as Ladies' Daguerreotype Portrait Takers.—Preparations.—A pretty young Lady to begin with.—Preliminaries.—A Chapter of Contingencies.—Success of the first Experiment.—Other successful Experiments.—A Change of Fortune.—Give up this Business.—An Incident.—Take up the Practice of Surgery.—Operation for Strabismus.—Details.—First Subject.—A great Gathering of Squint Eyes.—A troublesome Patient.—A little Hero.—Extraordinary Instance of Fortitude;—A Military Patient.—A Female Patient—Practice of Surgery abandoned.—Instability of Fame.