Figure 4. H. Fol and E. Sarasin photometer, 1886 model. This instrument wastested at Villefranche-sur-Mer on board Fol's yacht, the AMPHIASTER. Theresults were not published.
4/4/2019 1:50:11 PM
Photographer: P. Roggero
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments