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Said of a metal surface that has been cleaned and polished by agitation in a rotating drum containing a polishing compound.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A condition in which gyro gimbals have ceased to maintain their correct alignment in space to the extent that the gimbals have reached their limit of travel. Any further rotation of the mounting results in a violent directional precession. A gyro instrument can be toppled by flying the aircraft beyond the instrument's limits, as in aerobatics. Also called tumbled.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved