Figure 13. Bouquet de la Grye sounder, invented by the French hydrographicengineer Anatole Bouquet de la Grye in 1869. The main point about this devicewas a new type of weight release mechanism, based on the action of springreleased at the moment t
4/4/2019 2:12:19 PM
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments