WWII Aircraft Fuel/Air Ratio Gauge by Charles Engelhard, Inc.

Add a piece of aviation history to your collection with this original World War II-era Fuel/Air Ratio gauge, a critical cockpit instrument used in multi-engine aircraft during the war. Manufactured by Charles Engelhard, Inc. of Newark, N.J., this gauge is a testament to the precision engineering that helped Allied pilots manage their engines during long-range bombing missions and intense combat operations.

Item Details:

• Manufacturer: Charles Engelhard, Inc., Newark, N.J.
• Specifications:
• Order No.: C-20906
• Spec. No.: 94-27933
• Mfrs. Part No.: 94-27933
• Voltage: 24 VOLT D.C.
• Dimensions: Approximately 3.5 inches square, with mounting holes on each corner for cockpit installation.
• Condition: Used, with visible signs of wear consistent with wartime use, including scratches and faded paint. The glass face is intact, and the dual needles (labeled “LEFT” and “RIGHT”) are present, though functionality is untested. Includes original wiring, still attached.
• Markings: The dial ranges from 0.6 to 1.0, with “LEAN” and “RICH” indicators for precise fuel-air mixture monitoring. The back features the original manufacturer’s label with part numbers and specifications.

Historical Significance: This Fuel/Air Ratio gauge was likely used in iconic WWII aircraft such as the B-17 Flying Fortress, B-24 Liberator, or twin-engine fighters like the P-38 Lightning. It allowed pilots and flight engineers to optimize engine performance by monitoring the fuel-to-air mixture, ensuring efficiency during cruising and maximum power during combat. A must-have for collectors of WWII aviation artifacts, military antiques, or anyone passionate about the history of flight..

Don’t miss this opportunity to own a genuine piece of WWII aviation history! Contact us with any questions or to arrange purchase.

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