40mm Diameter round magnetic compass.It is perfect for student
experimentation of magnetism and magnetic fields as well as travel, orientation,
scouting, hiking and, maps.Full circle divided into 360ß with N,S,E,W,NE,SE,SW and NW directions indicated with white marking on black base.
Engineer style for aiming on land and water.45mm diameter compass with black plastic case. Liquid filled for fast readability. Luminous black base and white marking for clear visibility . Sighting hairline,metal thumb hold and magnifying viewer.
For reading of topographical and tourist maps and determination of azimuthal location of a given place. suitable for overhead projection. Transparent design. Compass diameter 45mm, mounted on a 6 x 11cm transparent plastic base with scale side up to 100mm. Distance measuring scale in the front.