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![[Douglas DC-3 instrument panel with Learadio ADF 8]](https://digitalcollections.museumofflight.org/files/square_thumbnails/179aae73a33928572632ca59dcf7f3ff.jpg "[Douglas DC-3 instrument panel with Learadio ADF 8]")
Photograph of a Douglas DC-3 instrument panel with a Learadio ADF 8 automatic direction finder, circa 1940s. The direction finder and two gauges are circled and numbered. Inscription on verso: "Copy of instrument panel (Chicago and [illegible] DC-3)."
![[Learadio automatic direction finder]](https://digitalcollections.museumofflight.org/files/square_thumbnails/40a780ec228b1e42ce8797d78a891fc5.jpg "[Learadio automatic direction finder]")
Photograph of a Learadio automatic direction finder, circa 1940.Inscription: "Manual loop antenna rotator and directional indicator. 1940."
![[Learadio equipment installed in front and rear cockpits]](https://digitalcollections.museumofflight.org/files/square_thumbnails/cbb928862de98d900b289c5e71599253.jpg "[Learadio equipment installed in front and rear cockpits]")
Photograph of an unidentified aircraft fuselage with its side panel removed, showing the Learadio equipment installed in the front and rear cockpits, circa 1940s-1950s. Several of the components are labeled.
Caption: "NA-44 / Learadio equipment installation / Front and rear cockpit -- Right side. 20-1171-27."
Labeled components: "Direction indicator panel -- Rear cockpit. Automatic compass and…
[Learadio panel assembly]
(Item)
![[Learadio panel assembly]](https://digitalcollections.museumofflight.org/files/square_thumbnails/df55d769581ac296db7e9d032579890d.jpg "[Learadio panel assembly]")
Composite photograph of Learadio panel assembly, showing side and front views, circa 1940s-1950s. Individual components include a fixed antenna tuning unit, trasmitter, automatic direction finder, and control unit.Caption: "Front view / NA-44 / Learadio panel assembly. 201171/25."