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| Surveyor's Compass 2006.15.1 Donor: Ronald Ridout |
Surveyor's Compass
Early instruments like this compass were used in surveying land to determine
boundaries of an area or the course of a road. Later, these instruments were
also used for the railroad. This instrument, called a surveyor’s compass, was a
key to charting unknown territory.
This compass has a round brass case with a 3 ½ inch long center needle. It has a
silvered inner ring and two folding sight arms, painted black. The compass fits
into a leather-covered wooden case. This compass also has a ball-joint adapter
that attaches to the bottom of the compass. This adapter was probably mounted on
a piece called a jacob staff. A jacob staff is a long, straight wooden rod with
a steel point on one end that can be driven into the ground. The compass adapter
attaches onto the other end. The staff holds the compass in place while the
surveyor uses it. Tripods with three legs are also be used to provide a firmer
support for the compass.
It is thought that this particular compass was used by one of the first
surveyors in Benton County, A. McKissick, from 1836 to 1838. According to
Goodspeed’s 1889 History of Benton County, Arkansas, McKissick was surveyor when
Benton County was organized at the residence of Judge George P. Wallace, one and
half miles east of present-day Bentonville.
The development of much of the United States resulted from a survey of Arkansas.
In 1815, Arkansas was surveyed as part of the Louisiana Purchase. With this
purchase, the United States doubled its land size. Many new settlers wanted to
move westward, so surveyors were sent to mark land boundaries. Surveyors
established an initial point in eastern Arkansas where the land surveys of the
entire Louisiana Purchase started from and continued over thousands of square
miles.
Credits: Baker, Lea Flowers. Survey of the Louisiana Purchase in 1815, lesson
developed by the Department of Arkansas Heritage and the Arkansas Natural and
Cultural Resources Council, accessed on
www.arkansasheritage.com, 2006.
Goodspeed’s 1889 History of Benton County, Arkansas, 1889, Reprinted by the
Benton County Historical Society, 1993. Kovener, Dennis. “Surveying in the Early
Midwest,” accessed from the Conner Prairie (Living History Museum) website:
http://www.connerprairie.org/historyonline/surveyin.html. “Surveyor’s
Compass,” accessed from the Smithsonian National Museum of American History
website:
http://americanhistory.si.edu/collections/surveying/type.cfm?typeid=1; Donor
file information; Rogers Historical Museum Research Library.