PM-733 BRUNTON COMPASS

Four in one piece, with a combined sighting compass, level,
inclinometer and alidade. Silvered metal compass scale 60 mm.
diameter divided 0-360×1°C, brass case, folding sight. Inclinometer
scale 90-0-90° with vernier reading to 1 min. of arc. Inclinometer
adjustable, two spirit levels for horizontal and vertical use.