WWII U.S. Military Panel Meters-Output & Percent Modulation Gauges

Offered here is a matching pair of original WWII-era U.S. military panel meters, used in radio transmission or radar equipment. These gauges are labeled:

• “OUTPUT” (with “Set to Red Line” marking)
• “PERCENT MODULATION” (0–30 scale)

These types of meters were commonly found in Signal Corps transmitters, aircraft radio systems, and ground-based communications/radar units, where they monitored transmission output levels and modulation percentage.

Both units feature classic black metal housings with white faces and black/red markings, giving them a clean, highly displayable look.

Condition:

• Overall good original condition
• Faces are clean and readable with light age spotting
• Housings show minor wear consistent with age
• Untested – sold as collectible/display items
• Appear complete with rear terminals intact

Approximate Size:

• Standard panel-mount size (roughly 3–4” square each)

Highlights:

• Genuine WWII military electronics components
• Matching pair – great for display or restoration
• Clear, readable faces with classic layout
• Ideal for radio, radar, or aviation collections