Vintage Felsenthal Air Navigation Dead Reckoning Computer MB-4A
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Product details
| Management number | 5192659 | Release Date | 2025/08/19 | List Price | $6.00 | Model Number | 5192659 | ||
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Own a piece of aviation history with the Felsenthal MB-4A Dead Reckoning Computer, a precision slide-rule device used by U.S. Air Force pilots for manual navigation. Manufactured by G. Felsenthal & Sons, this tool was essential for calculating position, speed, and time during flight missions before the GPS era.
Key Features:
• Authentic MB-4A model used by USAF aviators
• Designed for dead reckoning and TSD (Time-Speed-Distance) computations
• Durable construction with metal and plastic components
• Includes original pouch (if available)
• Approx. dimensions: 11” × 5” × 1”
• Made in the USA
Collector Appeal:
Highly sought after by aviation enthusiasts, military historians, and vintage tech collectors. Often associated with Cold War-era flight operations and pilot training. Featured in the Air Mobility Command Museum collection A.
60
| Category | Other > Other |
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| Size | N/A |
| Brand | None |
| Condition | Good |
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