Surveyor's Vernier Compass, c. 1840
Click on the image to zoom. Click and drag your mouse over the image to move it left or right. Use the small navigation window to select the area you wish to zoom on.
The compass was a critical tool used by surveyors to define angles between points on land. This compass belonged to Levi Bradley of Levant, Maine, who was Land Agent of Maine from 1842-1847.