Answer | Crossword Clue |
---|---|
iconoscope | an early form of electron camera |
iconoscopes | ICONOSCOPE, an early form of electron camera |
kinetograph | an early form of cinematograph camera |
kinetographs | KINETOGRAPH, an early form of cinematograph camera |
phototube | A photocell in the form of an electron tube with a photoemissive cathode |
phototubes | A photocell in the form of an electron tube with a photoemissive cathode |