#around 1897

[blondebrainpowered]

Nikola Tesla, with Roger Boskovich's book, “Theoria Philosophiae Naturalis,” in front of the flat spiral coil of his high-frequency transformer at East Houston St. 46, New York. Around 1897.

[blondebrainpowered]

Nikola Tesla, with Roger Boskovich's book, “Theoria Philosophiae Naturalis,” in front of the flat spiral coil of his high-frequency transformer at East Houston St. 46, New York. Around 1897.