U.S. Gauge Co. Dual-Scale Airspeed Indicator — U.S. Military, Dated April 5, 1957 Up for sale is an original U.S. Gauge Company airspeed indicator, part number AW-2¾-20-B, manufactured for U.S. military use and dated April 5, 1957. This is a pitot-static instrument with a dual-scale dial showing both MPH and knots simultaneously — a hallmark of 1950s military aviation instrumentation. Specifications: ∙ Outer scale: 40–200 MPH ∙ Inner scale: 40–160 Knots ∙ Color arcs: Green (normal operating range), Red (caution/limit) ∙ Two blue AN-style fittings on rear: Pitot (P) and Static (S) ports ∙ Standard military caution: “DO NOT BLOW IN TUBES” ∙ Manufacturer: United States Gauge Co. ∙ Part No.: AW-2¾-20-B ∙ Serial/lot stamped on back: 041106 / 16 ∙ Date of manufacture: April 5, 1957 Condition: Used/surplus. Shows age-appropriate wear on the housing and face. Dial markings and color arcs are visible. Glass intact. Sold as-is — not tested, not certified for flight use. A fantastic display piece from the golden age of Cold War aviation. Suitable for collectors, cockpit restorations, man caves, flight simulators, or aviation décor.