
What is recorded here
This blue commemorative plaque records: "Greenfield". Former home of Sir John Ambrose Fleming, M.A., D.Sc., F.R.S. (1849-1945) Inventor of the thermonic valve. Designed Poldhu Wireless Station for Marconi, used in his first transatlantic transmission to St. John's Newfoundland in 1901. He designed and lived in this house 1926-1945.
Sir John Ambrose Fleming was a pioneering electrical engineer who invented the thermionic valve (or vacuum tube), crucial for the development of radio, television, and radar technologies. He significantly contributed to wireless technology by designing the Poldhu Wireless Station used in Guglielmo Marconi's first transatlantic radio transmission in 1901.
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Places near here
Garden Wall of the Beacon to Peak Hill RoadListed building · 264 yd
Connaught GardensRegistered park or garden · 268 yd
Glen Goyle WaterfallWaterfall · 308 yd
Small ship sculpture, SidmouthPublic sculpture · 494 yd
Sidmouth MuseumMuseum · 575 yd
Tudor CottageMemorial · 595 yd
Jacobs Ladder BeachBeach / strand · 693 yd
Sidmouth Information CentreVisitor information · 886 yd
Boundary Stone, Peak HillMonument or public art · 1223 yd
Wheat HillForest · 1319 yd
Seven StonesArchaeological place · 1372 yd
High PeakMountain / peak · 1.3 miOther information
Photo: David Stowell on Geograph · CC BY-SA 2.0