The cathode ray tube amusement device is the earliest known interactive electronic game to use a cathode ray tube (CRT). It is a device that records and controls the quality of an electronic signal.

Dim lights in order to make the electron beam more visible. Wire up the heater and accelerator contacts (and also deflector contacts, if desired) on the tube to the power supply (or supplies). If ...

Gerber Scientific Instrument Company Records, Archives Center, National Museum of American History, Smithsonian Institution. Collection items available for reproduction, but the Archives Center makes ...