Developing the Daguerreotype.-Afterthe plate has been submitted to the operation of the light, the image is still invisible.

It is well known to the experienced Daguerreotypist, that different atmospheres have a decided effect upon the mercury in developing the Daguerreotype.

Polishing the Daguerreotype Plate-Buffing the Plate-Coating the Plate-Exposure of the Plate in the Camera-Position- Developing the Daguerreotype-Exposure to Mercury-Removing the Coating-Gildingor fixing the Image-ColoringDaguerreotype.