Free Air Temperature Indicator Weston 602 DC-3, Beech Staggerwing UC-43

Free Air Temperature Indicator Weston 602 DC-3, Beech Staggerwing UC-43

$19.50
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Here is a 1940's vintage electrical Free Air Temperature Indicator, used to measure outside air from -20 to +120 degrees F.  Has been seen on 1940's DC-3, but also on the US Army Air Corps' UC-43 Beech Staggerwing (see photo from flight manual dated 1944). Measures 3.25 inches diameter and 3 inches deep.

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