Brunton OSS 70M Compass
Brunton O.S.S. 70M Compass The Brunton OSS 70M is the re-evolution of the award-winning Eclipse 8099. Still featuring the three clinometers system, combined clear base plate for mapping and mirror for sighting, and a round level bubble for more accurate measurements, the Brunton 70M has been fitted with our new Brunton O.S.S. alignment system for