RCA Cathode Ray Tube (CRT) Oscilloscope/Display Tube – Beam Obstruction Demonstration Tube

RCA Cathode Ray Tube (CRT) Oscilloscope/Display Tube – Beam Obstruction Demonstration Tube

Large RCA cathode ray tube (CRT) used in radar, oscilloscope, or electronic display equipment. This example is marked “Beam Obstruction,” indicating it was likely a factory demonstration, training, or engineering sample used to illustrate electron beam behavior. Features the classic graphite-coated bell and RCA base, making it an attractive display piece for collectors of vintage electronics and radar equipment.

Tube Crate 1 #7