Etikett: silva

What should be done if there is an air bubble in an orienteering compass?

What should be done if there is an air bubble in an orienteering compass?

admin 04. Dec 2016 2
What should be done if there is an air bubble in an orienteering compass?  In the majority of modern orienteering sports compasses like FRENSON, Silva, Suunto liquid is used to reduce needle oscillati...
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