This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB Thermometre de MM Negretti et Zambra.jpeg check categories August Thermometre de MM Negretti et Zambra Appareil durant la descente Subject Thermometers Tag Fisheries Techniques Cite book Vie au Fond des Mers les Explorations SousMarines et les Voyages du Travailleur et du Talisman Filhol Paris France Masson Editeur Figure