Bearing Sights
MD60A2K Telescopic Alidade Sight for Bearing Compass Repeaters
The MD60A2K is a Telescopic Alidade for taking precision bearings of distant objects, for use on the MD69 Series of Bearing Compass Repeaters.
MD69BC Bearing Circle Sight for Bearing Compass Repeaters
The MD69BC is a traditional vane type Bearing Circle which allows an observer to take a compass bearing of a distant object by aligning the two sighting vanes with the object.
MD69AZI Azimuth Sight for Bearing Compass Repeaters
The MD69AZI is a precision azimuth sight designed for taking accurate bearings of the sun, other celestial bodies, and terrestrial landmarks.