Encyclopedia

photographic barograph

photographic barograph

[¦fōd·ə¦graf·ik ′bar·ə‚graf]
(engineering)
A mercury barometer arranged so that the position of the upper or lower meniscus may be measured photographically.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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