Two Ediswan type lamps, c 1890.
3 4 c m
actual image size: 32cm x 26cm

Two Ediswan type lamps, c 1890.

© Science Museum / Science & Society Picture Library


Sir Joseph Wilson Swan (1828-1914) was an English physicist and chemist. In 1860 he invented an electric lamp which anticipated that of Thomas Alva Edison (1847-1931) by twenty years. In 1897 he demonstrated a lamp which considerably improved on Edison's patent model.

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