Pelorus, Aircraft, US Navy Mk I 18-P-21690 AT-6 the upper center indicator displays
$31.95
Description
the upper center indicator displays a flap symbol along the scale showing the amount of flap deployed
The knobs turn freely
Center bridge has a wing emblem with an adjustment screw for fit
turns the card when caged
The knob does not rotate
Pelorus, Aircraft, US Navy Mk I 18-P-21690 AT-6 the upper center indicator displaysThis is a WWII era Aircraft Pelorus Mk I used by air navigators in the US Navy. The Pelorus was used for taking bearings on objects of interest, be they celestial or terrain. The bearing sight (the cross bar) can be inclined or declined on its center axis, and rotated to the desired bearing which can be read on the base scale. Drift angle can also be determined. Measures approximately 5 inches diameter and 4 inches tall.
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