File #5340: "Azimuth compass. A compass with a rotatable ring-shaped brass frame around it mounted on a heavy brass stand. The frame is marked with degree scales. Four removable rectangular plates of brass, each with a rectangular hole, a slit and three small circular holes in them, project vertically from the frame equidistant from one another."

Azimuth compass. A compass with a rotatable ring-shaped brass frame around it mounted on a heavy brass stand. The frame is marked with degree scales. Four removable rectangular plates of brass, each with a rectangular hole, a slit and three small circular holes in them, project vertically from the frame equidistant from one another.

Title

Azimuth compass. A compass with a rotatable ring-shaped brass frame around it mounted on a heavy brass stand. The frame is marked with degree scales. Four removable rectangular plates of brass, each with a rectangular hole, a slit and three small circular holes in them, project vertically from the frame equidistant from one another.