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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. Silva's founders - Gunnar Tillander, Alvar Kjellström, Arvid Kjellström, and Björn Kjellström - invented the hugely popular orienteering ...
Floating-card compass with prismatic sight (bearing 220° through eyepiece). The marine hand compass, or hand bearing compass|hand-bearing compass as it is termed in nautical use, has been used by small-boat or inshore sailors since at least the 1920s to keep a running course or to record precise bearings to landmarks on shore in order to determine position via the resection technique.
As William Ainsworth Inc., production of the Pocket Transit continued; the same basic design remains in production today, in numerous versions and configurations.. In 1970, the company introduced the Brunton Cadet, a simplified evolution of the Pocket Transit incorporating a compass and clinometer, intended for use in training students in the fields of geology, forestry, mining, and surveying. [9]
From 1980, JWA imported Swedish-made compasses manufactured by Silva Production AB (Silva Group) for sale in North America. In 1996, a decision by Silva Production AB of the Silva Group parent to begin marketing its Swedish-made Silva brand compasses via a new distribution network in North America with Brunton, Inc. led to litigation the following year between JWA, which owned the North ...
In marine navigation, a pelorus is a reference tool for maintaining bearing of a vessel at sea. It is a "simplified compass" without a directive element, suitably mounted and provided with vanes to permit observation of relative bearings. [1] The instrument was named for one Pelorus, said to have been the pilot for Hannibal, circa 203 BC.
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The Sidewinder HandHeld FlashLight (HHFL) is lightweight with a head adjustable over 185° of movement, light-emitting diodes providing five intensities each of white, red, blue, and infrared light (including a strobe function), helmet mount, and runs on AA batteries.
A bearing compass, is a nautical instrument used to determine the bearing of observed objects. (Bearing: angle formed by the north and the visual to a certain object in the sea or ashore). (Bearing: angle formed by the north and the visual to a certain object in the sea or ashore).
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