Often, it was a glass negative with a collodion emulsion exposed to direct sunlight until the image achieved the proper level of darkness.
This is exposed to direct sunlight until the image achievs the proper level of darkness. Often, it is a glass negative with a collodion emulsion.
Often, it is a glass negative with a collodion emulsion. This is exposed to direct sunlight until the image achievs the proper level of darkness.
Often, it is a glass negative with a collodion emulsion. This is exposed to direct sunlight until the image achievs the proper level of darkness.