pl23_theb1999.jpg
![Level instrument and Wild T-2 theb1999.jpg Level instrument and Wild T-2](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1999.jpg)
Description
Level instrument and Wild T-2
Credit
Captain George Jamerson, NOAA Corps
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Observing the Angles
Keywords
Geodesy
Triangulation
Turning Angles
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.