#photoelectric_cell__photoelectriccell__photoconductive_cell__photoconductivecell__photocell__electric_eye__magic_eye__magiceye  a transducer used to detect and measure light and other radiations
  supertype:  transducer  sensor
  part:  photocathode
  subtype:  selenium_cell  a photoelectric cell that uses a strip of selenium

No statement uses or specializes photoelectric_cell; click here to add one.