Whatever the conditions may be, the user will obtain accurate bearings ina quick and simple way by

• observing the reflected image of the spirit level
• reading the azimulth directly from the reflected image of the compass card

The device is used for taking bearings of terrestrial and astronomical objects and is the standard type of bearing sight that fits 246mm bezels of repeater compasses.

Protection against corrosion is given by

• compact construction
• splashproof material
• absolutely smooth surfaces that prevent any undue exsposure to water in the form of sea-spray or rain
• threadless type sight