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By the late 1960s many foresters had begun using more modern liquid-damped compass designs, including mirror-sight protractor models such as the Silva Type 15 Ranger or the Suunto MC-1 (later, the MC-2). These compasses were fast to use, particularly along straight cruise lines and were sufficiently accurate for most forestry applications. [11]
The MC-2 optical-sight (mirror) compass, RA-69 and several other Suunto compasses have been issued to various NATO military forces over the years, including the British Army, Canadian Land Forces and several U.S. Special Forces units. [25] The Recta DP-6 matchbox-style compass is still used by the Swiss Army. [citation needed]
Thumb compasses are also often transparent so that an orienteer can hold a map in the hand with the compass and see the map through the compass. Thumb compasses attach to one's thumb using a small elastic band. The first commercially successful orienteering thumb compass was the Norcompass, introduced by Suunto in 1983. [1]
A modern military compass, with included sight device for aligning. A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north.
Nav finder and underwater compass – basic underwater navigation tools Suunto SK-7 diving compass in aftermarket wrist mount with bungee straps. Diver navigation, termed "underwater navigation" by scuba divers, [1] is a set of techniques—including observing natural features, the use of a compass, and surface observations—that divers use to navigate underwater.
Dial of a Suunto compass SUUNTO dial compass. 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).
The most significant article for Physica was a compass, competing the market with Suunto Oy. [7] Physica sued Vohlonen, because, according to them, the supplements described a totally different product, the original application didn’t mention anything about a manufacturing method and, in addition, the method was elsewhere used long before the ...
A standard Brunton Geo, a combined compass and inclinometer, popular as a cave surveying compass until recently. The most common device used by cave surveyors is a sighting compass, such as that manufactured by Suunto or Silva, that can be read to the half-degree. Compasses used for cave surveying have to be rugged to cope with the harsh ...