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 - ship4008

Figure 7. E. von Petersen's photometer. Left: device before opening. Middle: device during exposure. Right: device after closing. This device was invented in 1886 by Eugen von Petersen, an engineer at the Naples zoological station. The design follows the specifications of Carl Chun. The first test of this ins trument was by Carl Chun off Capri in 250 meters water depth.

Image ID: ship4008, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: P. Roggero
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:
November 10, 2017