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Periscope
Instrument for observation from a concealed position.
Wikipedia | Periscope
Statements about
Periscope
Described by Source
Otto's Encyclopedia
Statement Is Subject Of
:
Q23864271
Sytin Military Encyclopedia
Statement Is Subject Of
:
Q25375304
Great Soviet Encyclopedia (1926–1947)
Statement Is Subject Of
:
Q98708987
Armenian Soviet Encyclopedia, Vol. 9
Page(s)
:
274
Image
Instance Of
Optical Instrument
Used By
Navy
Military
Has Use
Observation
External Pages About Periscope
U.S. National Archives
Encyclopædia Britannica Online
WordNet 3.1 Synset
Dewey Decimal Classification