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Silva Field baseplate compass on a map. Silva Sweden AB is an outdoors products company that sells handheld compasses and other navigational equipment including GPS tools, mapping software, aircraft altimeters, and marine navigation tools.
Classic geological compass (Brunton), sideview Classic geological compass (Brunton), topview. There are a number of different specialized magnetic compasses used by geologists to measure orientation of geological structures, as they map in the field, to analyze and document the geometry of bedding planes, joints, and/or metamorphic foliations and lineations.
In 1928, Gunnar Tillander, a Swedish unemployed instrument maker and an avid participant in the sport of orienteering, invented a new style of bearing the compass. Dissatisfied with existing field compasses, which required a separate protractor to take bearings from a map, Tillander decided to incorporate both instruments into a single instrument.
Björn Kjellström (September 9, 1910 – August 26, 1995), originally from Sweden, was a ski orienteering champion in Sweden and co-founder of the compass manufacturing company Silva Sweden AB [1] which produced the Silva compass. More than 25 million Silva compasses have been sold since the founding of the company.
These Model 8010 compasses used clear baseplates and were equipped with lanyards. The compasses were shipped in plain cardboard boxes with military stock number NSN 6605-00-553-8795. Brunton discontinued all 8000- and 9000- series compasses in 2011. After being acquired by Silva, Brunton began selling Silva of Sweden compasses and GPS devices.
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