NOAA Photo Library Banner
Takes you to the Top Page Takes you to the About this Site page. Takes you to the Contacts page. Takes you to the HELP page. Takes you to the Credits page. Takes you to the Collections page. Takes you to the search page. Takes you to the Links page.

NOAA Photo Library Image - ship4209

Figure 9. Sands sounder invented by Commander Benjamin F. Sands, USN, while on duty with the U. S. Coast Survey in 1857. Compression of the spring actuated levers, which separated the symmetric halves of the weight which then fell to the bottom. A valve was actuated creating a void which allowed sediment to enter the tube. Pulling up the line reset the valve capturing the bottom sample

Image ID: ship4209, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/Historical instruments/

High Resolution Photo Available





Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Adminstration (NOAA),
NOAA Central Library
NOAA Privacy Policy | NOAA Disclaimer
Last Updated:
April 30, 2013