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pl23_theb1565.jpg

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb1565jpg

Description

Ferdinand Hassler's observing tent.Probably the original sketch was by John Farley

Credit

NOAA Central Library

Display Date

1838?

Location

New York area

Collection

Historic Coast & Geodetic Survey

Geodesy

Triangulation

Observing the Angles

Keywords

Geodesy

Triangulation

Angles