50.1 MB (5.5 MB compressed)
3373 x 5189 pixels
28.4 x 43.9 cm ⏐ 11.2 x 17.3 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Electrical spark. 19th-century illustration of a photograph taken of a spark from the positive pole of an electrode. This illustration is from 'Physique Populaire' (Emile Desbeaux, 1891).
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