the year 1999
well there really is no antonym that i know of for periscope because a periscope is an object.
You can use the word Periscope a few ways in a sentence. You can write the sentence I am going to periscope the website.
The captain of the submarine raised the periscope to see if there's danger.
A periscope uses mirrors to reflect light. Light enters the periscope through a top opening and is then reflected off internal mirrors to allow the viewer to see objects at a different angle from the periscope's location without exposing themselves.
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.
plastic
it is prism
In trench warfare much use was made of devices which allowed an observer to safely see across no-mans land. The periscope was one such item.The periscope was made of wood and folded into halves so as to allow ease of carriage. When used in the trenches the folding periscope was often camouflaged with sacking. A periscope is also used for looking out of boats to see if an enemy ship is around.
In trench warfare much use was made of devices which allowed an observer to safely see across no-mans land. The periscope was one such item.The periscope was made of wood and folded into halves so as to allow ease of carriage. When used in the trenches the folding periscope was often camouflaged with sacking. A periscope is also used for looking out of boats to see if an enemy ship is around.
Johann Gutenberg
kuf
A Periscope is a type of observation material used during World War I. It is made up of two mirrors in parallel position with an angle of 45 degree placed inside a case. Periscope can also be seen on submarines and other military equipment.
find it you self......
a diagram of a periscope
someone discovered the periscope
in 1999 SIMON LAKE invented it and SIR HOWARD GRABB perfected it
pretzel phantasy periscope pantomime puns