Thesaurus Term/Concept: PERISCOPE
| Identifier | -81 |
|---|---|
| Class | MDA OBJECT TYPE |
| Status | Candidate |
| Index? | Yes |
| Scope Note | Long metal tube containing an arrangement of lenses and prisms which magnify and deflect light to provide a view of an otherwise obstructed field. Used in submarines to enable crew to see above the surface when the vessel is submerged. |
Broader Terms/Concepts (1)
Related Terms/Concepts (0)
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Instances/Examples (1)
| Context | Record |
|---|---|
| Find Type | PERISCOPE (Second World War - 1943 AD to 1944 AD) |