Browse Items (3 total)

http://s3.amazonaws.com/omeka-net/2253/archive/files/55aa01966a9826f0904c15714a50a179.JPG
A mathematical instrument for laying down and measuring angles on paper, used in drawing or plotting.

http://s3.amazonaws.com/omeka-net/2253/archive/files/3baf1d343f76515e8fac43e2fbe59359.jpg
An optical instrument used to measure angles in surveying, meteorology, and navigation. The earliest theodolite consisted of a small mounted telescope that rotated horizontally and vertically. Washington and Lee taught surveying in the mid-19th…

http://s3.amazonaws.com/omeka-net/2253/archive/files/f6bed4f8ae38215d8691bec94cb7988a.JPG
An instrument with a movable pointer used for mechanical measurements of the area of an (irregular) plane figure.

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