Periscope
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle. This form of periscope, with the addition of two simple lenses, served for observation purposes in the trenches during World War I. Military personnel also use periscopes in some gun turrets and in armoured vehicles.
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Periscope
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle. This form of periscope, with the addition of two simple lenses, served for observation purposes in the trenches during World War I. Military personnel also use periscopes in some gun turrets and in armoured vehicles.
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A periscope is an instrument f ...... ll magnification or reduction.
@en
Das Periskop (von altgriechisc ...... ffentlichte (siehe Zeichnung).
@de
Een periscoop (Grieks peri, „r ...... r niveau te kunnen observeren.
@nl
Ett periskop är ett optiskt in ...... till genom att lägga till den.
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Ionstraim optúil chun féachain ...... i dtanc le haghaidh stiúrtha.
@ga
Le périscope, parfois appelé é ...... sans être vu depuis celui-ci.
@fr
Nella forma più semplice il pe ...... ante la Prima guerra mondiale.
@it
Periskop je optické zařízení, ...... avzájem odrážela vnější obraz.
@cs
Periskop merupakan untuk menga ...... erangan monokuler kapal selam.
@in
Periskopioa zuzenean ikusi aha ...... rgia behatzailearen begiraino.
@eu
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A periscope is an instrument f ...... rets and in armoured vehicles.
@en
Das Periskop (von altgriechisc ...... ffentlichte (siehe Zeichnung).
@de
Een periscoop (Grieks peri, „r ...... r niveau te kunnen observeren.
@nl
Ett periskop är ett optiskt in ...... till genom att lägga till den.
@sv
Ionstraim optúil chun féachain ...... i dtanc le haghaidh stiúrtha.
@ga
Le périscope, parfois appelé é ...... sans être vu depuis celui-ci.
@fr
Nella forma più semplice il pe ...... ante la Prima guerra mondiale.
@it
Periskop je optické zařízení, ...... avzájem odrážela vnější obraz.
@cs
Periskop merupakan untuk menga ...... is baja dan kapal selam.
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*
@in
Periskopioa zuzenean ikusi aha ...... rgia behatzailearen begiraino.
@eu
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Peireascóp
@ga
Periscoop
@nl
Periscope
@en
Periscopi
@ca
Periscopio
@es
Periscopio
@it
Periscópio
@pt
Periskop
@cs
Periskop
@de
Periskop
@in