1 entry 1 source
Phosphoroscope
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration.
1 entry 1 source
Part of speech: noun (n.)
An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration.