Periscopic sight | Article about periscopic sight by The Free Dictionary
periscopic sight[‚per·ə′skäp·ik ′sīt]
Gunsight made in the form of a periscope, permitting a gunner to see over an obstacle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The OV-10 added air-to-ground ordnance, a stabilised day/night periscopic sight
, a laser ranger/designator and Loran navigation, allowing survivor positions to be specified accurately.