pl23_ship4269.jpg
![Figure 61 ship4269.jpg Figure 61](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4269.jpg)
Description
Figure 61. Electrosounder, used by the Italian Navy in 1954, employed a smallexplosive device which exploded on impact with the bottom and the soundsubsequently was heard at a hydrophone on a ship. The use of explosives fordepth finding was first suggested by a French engineer, Urbain Dortet de Tessanabout 1850.
Credit
Oceanographic Museum of Monaco
Photographer
Y. Berard
Collection
Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Sounding Instruments
Keywords
Oceanography
Historical instruments