PHOSPHOROSCOPE
Source: 567
Phos‐phor″o‐scope (?), n. [[Phosphorus + -scope.]] (Physics) An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration.
Source: 567
Phos‐phor″o‐scope (?), n. [[Phosphorus + -scope.]] (Physics) An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration.