Method and apparatus for viewing objects underwater

Details Method and apparatus for viewing objects underwater Method and apparatus for viewing objects underwater

1995-06-01

1997-02-04

Avila, Stephen

Buoys, rafts, and aquatic devices

Buoyancy underwater viewing device

B63C 1100

Patent

active

055992200

ABSTRACT:
A method and apparatus for viewing beneath the surface of water, to be used by a person or persons located either in or out of the water. A transparent convex or concave element is located in a bouyant cavity such that when the cavity is filled with water, the water in combination with the convex or concave element creates a lensing action.

REFERENCES:
patent: 2712139 (1955-07-01), Kelly
patent: 4145783 (1979-03-01), Rhodes
patent: 4844595 (1989-07-01), Nealy
patent: 5074816 (1991-12-01), Holford

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