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Keywords:
Velocity,
Cloud,
Nepheloscope,
Altitude,
Mirror
An instrument for observing the clouds and their velocity.
a grid-like measuring instrument for measuring the altitude, direction, and velocity of movement of clouds
an instrument for viewing clouds and determining their motion
An instrument for determining the direction and relative speed of cloud motion. There are two basic designs of nephoscope: the direct-vision nephoscope and the mirror nephoscope.
A device for measuring the direction and angular velocity of clouds.
An instrument for determining the direction of cloud motion. There are two basic designs of nephoscope: the direct-vision nephoscope and the mirror nephoscope. Also called nepheloscope.
Nephoscope is instrument for measuring the altitude, direction, and velocity of movement of clouds.
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