picture tube 
Hollow glass tube in which video signals are converted into electron beams to produce pictures on the screen.
Front portion of the picture tube that covers the screen.
Terminal end of the picture tube that connects to outside circuits.
Surface on which pictures are formed; it is covered with sensitive dots, which emit red, green or blue light when hit by electrons.
color selection filter
Perforated metal plate that directs each electron beam toward the sensitive parts of the screen corresponding to its color.
All the negatively charged particles traveling in the same direction; their intensity varies with the video signal received.
Narrow part of the picture tube that contains the electron gun.
Device that emits electron beams toward the screen; there are beams for each of the primary colors, red, green and blue.
Flared rear portion of the picture tube.