WWII Western Electric JAN 725A Magnetron Tube NOS Sealed Box-1945 Vacuum Tube

WWII Western Electric JAN 725A Magnetron Vacuum Tube – NOS Sealed Box (1945)

Offered here is an original WWII-era Western Electric magnetron vacuum tube, designated JAN 725A, still housed in its original unopened military shipping box.

This example is particularly desirable as the box remains factory sealed and marked, with clear wartime labeling and date.

Magnetrons like this were critical components in WWII radar systems, producing microwave signals used in aircraft, naval, and ground-based radar operations during the war years (1939–1945)  .

Details:

• Manufacturer: Western Electric Co.
• Tube Type: JAN 725A Magnetron
• Markings:
• “Glass Vacuum Tube – Western Electric – Made in U.S.A.”
• “Operating Spares”
• Dated: January 13, 1945
• Original military contract labeling present
• Hand-marked “Magnetron” on box
• Unopened / sealed original packaging

Condition:

• Box shows honest storage wear, staining, and edge wear
• All printing remains clear and legible
• Appears unopened and undisturbed
• Contents not inspected due to sealed condition (sold as-is)