Accession Number : ADD001753
Title : Underwater Inspection Aid.
Descriptive Note : Patent Application,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Mittleman,John ; Barrett,Frederick B
Report Date : 03 Jan 1975
Pagination or Media Count : 10
Abstract : The patent application describes an underwater inspection aid designed to facilitate underwater inspection and instrumentation or measuring device reading in very murky water where visibility is low. The device consists of a sealed acrylic cylinder with built-in magnifying glass, light and batteries. When a diver holds the device against his face plate and presses the opposite end against the object to be seen, illumination, magnification and elimination of intervening turbid water are provided.
Descriptors : *Viewers, Patents, Underwater equipment, Inspection, Turbidity, Diver equipment
Subject Categories : Optics
Distribution Statement : APPROVED FOR PUBLIC RELEASE