A periscope looks like a long pipe with a bend on either end. One bend faces a direction, and the other bend faces the opposite direction.
The periscope for its purpose is to look around the objects. In greek , 'peri' means around and 'scopus' means to look . hence the name.
When at periscope depth, they look through the periscope. It is a prism arrangement that allows good vision around the area. It also provided for gauging distances with a built in range finder.
look through it. that usually works.
periscope.
In paintball wars, a periscope is a handy way to look around a corner without getting shot. With only its periscope out of the water, a submarine was nearly impossible to spot at a distance.
To look over pplz heads
Although the use of a periscope to look over the heads of a crowd was first known around 1430 the first person to patented it was Morgan Robertson, around 1920.
well there really is no antonym that i know of for periscope because a periscope is an object.
someone discovered the periscope
a diagram of a periscope
"Peri" is a prefix that means around, about, or near. It is commonly seen in words like "perimeter" or "periscope."
The periscope was invented in 1450 by Johann Gutenberg