General Electric High Voltage Rectifier Tube Model KR-3

Manufacturer: General Electric

Model Number: KR-3

Serial #:

Equipment Description: High Voltage Rectifier Tube

Label Write-up:
A Kenotron tube from the General Electric X-ray Corporation. Invented in 1914. Introduced in the late 1920s. This tube is 22 inches long. AC (alternating current) voltage can be increased through a transformer. Then this tube converts the high voltage AC to high voltage DC (direct current). Which is required for X-ray formation.

Dates Produced: 1930s - 1950s

Original Price: $248

The museum's inventory number: MRT-1808

Located at Museum in: Tube Display Room