Fleming valve
nounEtymology Invented in 1904 by John Ambrose Fleming.
1
An early kind of vacuum tube.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology Invented in 1904 by John Ambrose Fleming.
An early kind of vacuum tube.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
Do you accept non-essential analytics cookies?