Scientific Instruments > Navigational

Antique Brass Pocket Magnetic Compass with Locking Lever.

Item#: SNI500

SOLD

 

Brass Pocket Magnetic Compass with Locking Lever. This is a dry lidded brass compass, 3.5 cm (1.4 inch) in diameter, with a magnetized blued steel needle and printed compass rose indicating cardinal and sub-cardinal points as well as 360 degrees scale (graduated every 2 degrees). The needle is mounted on a sharp pivot with a centrally inserted gem so as to permit the needle to rotate freely in the horizontal plane. A small brass lever raises the needle from the pivot and fixes its movement. Some minor rust to needle. The compass is stamped Foreign.