Figure 41. Helical mounting mechanism of Negretti and Zambra. This mechanismwas meant to cause the reversing thermometer of Negretti and Zambra to flip atthe required depth. The helical screw would measure the depth on the way downand release the
4/5/2019 9:18:51 AM
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
Subject: Oceanography