Main triangles of the Survey of the Coast of the United States showing
method of computing using logarithms.
Image ID: cgs05024, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: New York, Long Island
Photo Date: 1837 ca.
Credit: NARA C&GS Colllection
Category: Coast and Geodetic Survey/Archive/
• High Resolution Photo Available