Answer | Crossword Clue |
---|---|
ELECTRICEYE | Photocell |
photocells | PHOTOCELL, a photoelectric cell |
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 |
photomultiplier | a photocell with a series of dynodes which amplify the emission current by electron multiplication |