Finder, Direction
- Object Name:
- Finder, Direction
- Object ID:
- 1956.005 a
- Date:
- 1820-1830
- Description:
- Goniometer (angle measure). Wood with brass. Circular. Trough-compass under glass inset in face. 360-degree graduated scale incised in lighter wood, inset in ribbon grain mahogany. Brass screw, 0.9" head in bracket base secures instrument to tripod ball. Brass hairline sight 9.2" long, at one end a 1 1/10 degree Vernier graduated on ivory(?), pivoted on brass screw with 0.6" head. Detachable sighting posts 4.8" high, each secured by brass screw with 0.6" head.
- Material:
- Metal
Wood
Brass
Glass - Dimensions:
- H-7.2 W-8.4 L-9.9 inches
- Provenance:
- Instrment used to survey the line between New Hampshire, Maine, and Massachutsetts in 1825.
- Credit Line:
- New Hampshire Historical Society Purchase
- Subjects:
- Goniometer, Surveying equipment, Surveying instruments, Surveying
Electronic Resources are only available to New Hampshire Historical Society members. To access electronic resources, please join the New Hampshire Historical Society.