Aquascope

A Aquaskop is an underwater viewing device. It is used to explore the underwater world from the dry land, boat or ship. It eliminates surface reflection and thus allows a better view as to allow the water conditions and lighting conditions. A Aquaskop can be used to monitor reefs to check moorings and Secchi disks and many other underwater explorations. It is also used in education in order to observe plants, animals and habitats beneath the surface of rivers, lakes and seas.

A more advanced version, an underwater telescope was patented by Sarah Mather in 1845 and allows you to explore by vessels from the depths of the ocean. Is powered by camphine lamp was left on that in a glass ball into the water. The device has been used, among others, to the investigation of ship hulls from the deck. In 1864, Sarah Mather improved to discover their invention to submarines and torpedoes Spier Southern American Civil War.