COMPASSES [Magnetic]: Variety

COMPASSES [Magnetic]: Variety

• Various types of Compasses for magnetic demonstrations including Plotting, Needle on stand, Orienteering, Plain types.

(Wikipedia excerpt: .."...A compass [C] 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 [C] card or [C] rose, which can pivot to align itself with magnetic north. Other methods may be used, including gyroscopes, magnetometers, and GPS receivers.

[C] often show angles in degrees: north corresponds to 0°, and the angles increase clockwise, so east is 90°, south is 180°, and west is 270°. These numbers allow the compass to show azimuths or bearings which are commonly stated in degrees. If local variation between magnetic north and true north is known, then direction of magnetic north also gives direction of true north....")

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