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Nikola Tesla Images

Images and photographs of, or related to, Nikola Tesla
Home / Nikola Tesla / Nikola Tesla Images / Three Tesla phosphorescent bulbs under test for actinic value
Three Tesla phosphorescent bulbs under test for actinic value

Three Tesla phosphorescent bulbs under test for actinic value

Fig. 5. — Three phosphorescent bulbs under test for actinic value. Photographed by their own light.

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