Figure 70. Thoulet device for measuring the density of minerals by means of an iodine solution. The method used in image ship4445 was very crude but this device gave a real measurement, which although a long and delicate process, could be very precise.

Image ID: ship4447, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/

• High Resolution Photo Available