It could be said that submarine crews use periscopes, and that is probably the most common use of these devices.
You would use periscopes for spying or looking above a persons head
Periscopes are devices that use mirrors to allow people to view past obstacles. Submarines commonly use periscopes to see above the water without having to surface.
Big ships such as Navy's have periscopes and submarines have it too. If it is high for you to see you will use an periscopes.
Joshua ball sack
they can hide and see the enemies with periscope
No. Though periscopes may be binocular
Periscopes use mirrors or prisms to get angled viewsGutenberg, famous for the printing press, also marketed periscopesThey are used in many armored vehicles
periscopes, binoculars
periscopes are used for submarines and war tanks
No, periscopes allow you to observe objects while you are hidden.
Traditionally, by using a periscope to view optically above the surface. As periscopes are a weak point in a submarine - modern nuclear submarines use external cameras instead of periscopes.
Camreras,periscopes