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.

pl23_theb4106.jpg

Back end of Coast and Geodetic Survey Tide Prediction Machine No

Image

Download ( 945 KB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb4106jpg

Description

Back end of Coast and Geodetic Survey Tide Prediction Machine No. 2.

Location

Washington, D.C.

Collection

Historic Coast & Geodetic Survey