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 - ship4080

Figure 15. Zacharias ethmophore plankton filter devised by Otto Zacharias in 1907. Top: view of the assembled apparatus. Bottom: internal speed reduction valve. This instrument was devised to collect plankton under adverse meteorolog ical conditions where normal net-towing operations became impossible. This inst rument was first used in a lake, but then in the Mediterranean and Tyrhennian.

Image ID: ship4080, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: D. Mille
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