Joseph Swan and James Dewar blue plaque

London, England, United Kingdom

Sir Joseph Wilson Swan 1828-1914 Inventor of the incandescent lamp Sir James Dewar 1842-1923 Inventor of the vacuum flask, and Professor Sir Ambrose Fleming 1849-1945 Inventor of the diode valve, were all connected with this site. Here began the post industrial revolution - the technological revolut

ion. — East Duck Lees Lane, Enfield

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