Figure 58. Insulated Knudsen bottle designed by the Dane Martin Knudsen in 1921 with the aid of Hans J. Neilsen. It was designed to ameliorate problems withthe Pettersson and Nansen bottle. Left: ascending. Right: ascending.
4/4/2019 2:06:40 PM
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments