The story
Named after its inventor, Frans Michel Penning (1894–1953), Dutch physicist.
Etymology from Wiktionary, CC BY-SA 4.0.
Penning gauge
Today it means: A kind of cold-cathode ionization gauge. Full definition →
Today it means: A kind of cold-cathode ionization gauge. Full definition →
Named after its inventor, Frans Michel Penning (1894–1953), Dutch physicist.
Etymology from Wiktionary, CC BY-SA 4.0.