direct-vision nephoscope

direct-vision nephoscope

[də¦rekt ¦vizh·ən ′nef·ə‚skōp]
(optics)
A type of nephoscope in which the cloud motion is observed by looking directly into the instrument.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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