Nephoscope

Nephoscope is an instrument for measuring the altitude, direction, and velocity of clouds. There are several types of nephoscopes:

• the comb nephoscope developed by Besson;
• the mirror nephoscope developed by Finemann;
• the grid nephoscope, a variation on the comb modified by the Norwegians.

Also a type of nephoscope was invented by Mikhail Pomortsev in 1894 in Russia.

The nephoscope is used as a grid to measure the clouds.It is also used to find the movements of clouds.

External links

• http://img.tfd.com/wn/27/63027-nephoscope.gif