Aquascope

Underwater viewer - National Museum of Ethnology, Osaka - Collected in 1976

An aquascope (also called bathyscope) is an underwater viewing device. It is used to view the underwater world from dry land or a boat. It eliminates the water surface glare and allows viewing as far as water clarity and light permit. The underwater viewer can be used for observing reefs, checking boat moorings, secchi disks and other survey work. It is also used as educational tool to watch plants, creatures and habitats underneath the surface of rivers, lakes and seas.

单词	Underwater telescope
释义	Underwater telescope 英语百科 Aquascope An aquascope (also called bathyscope) is an underwater viewing device. It is used to view the underwater world from dry land or a boat. It eliminates the water surface glare and allows viewing as far as water clarity and light permit. The underwater viewer can be used for observing reefs, checking boat moorings, secchi disks and other survey work. It is also used as educational tool to watch plants, creatures and habitats underneath the surface of rivers, lakes and seas.
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Underwater telescope

Aquascope