Associations to the word «Phototube»
Noun
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Wiktionary
PHOTOTUBE, noun. A gas-filled electron tube that has a photosensitive cathode
Wise words
Wisdom does not show itself so much in precept as in life -
in firmness of mind and a mastery of appetite. It teaches us
to do, as well as talk, and to make our words and actions
all of a color.