scienceisbeauty:

First photograph ever taken by phosphorescent light. The face is that of Mr. Tesla, and the source of light is one of his phosphorescent bulbs. The time of exposure, eight minutes. Date of photograph January, 1894.
Source (Tesla Universe)

scienceisbeauty:

First photograph ever taken by phosphorescent light. The face is that of Mr. Tesla, and the source of light is one of his phosphorescent bulbs. The time of exposure, eight minutes. Date of photograph January, 1894.

Source (Tesla Universe)