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A barometer that records small variations in atmospheric pressure.
An instrument that indicates small changes in an aircraft's altitude.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a device for recording the change in altitude of an aircraft according to the measured difference between the atmospheric pressure and the pressure within the device. Stato-scopes are designed primarily for aerial surveying in the production of maps. The most widely used type is in the form of a liquid differential-pressure barometer consisting of two identical, automatically shifting manometric systems connected as communicating vessels. The barometric altitudes at which photographs are taken as well as changes in altitude are calculated relative to the observed difference in the levels of alcohol in the manometric tubes and the pressure and temperature at the flight altitude. The accuracy achieved is of the order of 0.5–1.0 m.


Arzhanov, E. P., and V. B. Il’in. Aerofotos”emochnoe oboru-dovanie. Moscow, 1972.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
For aerial photography, aircraft were fitted with gyrostabilizers (to ensure the stability), and readings of radio altimeter and statoscope were registered.