Paulus_Swaen
A sloop compass in the original wooden box with lit. The compass with floating rose (Cardan system). Slung in gimbals, the east point is decorated and graduated in half points and decorated N & E points.The cardan suspension system, also called a gimbal, is a pivotal support that allows the rotation of an object about a single axis. If simultaneously assembled three rings, one on another by orthogonal rotation axes, an object placed inside the third ring always remains horizontal, regardless of...
$650