An early form of the periscope was used to see over the tops of the trenches.
well there really is no antonym that i know of for periscope because a periscope is an object.
You tell me
The captain of the submarine raised the periscope to see if there's danger.
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.
kuf
Visible waves, ie, visible light is piped through a periscope.
The word "periscope" is a noun. It refers to a device used for seeing over obstacles or around corners, typically by the use of mirrors and lenses.
The Captain used the periscope to locate the enemy ships.A periscope is the eye of a submarine.
The periscope was invented in 1450 by Johann Gutenberg. He invented the periscope so that people could see over people's heads in crowds. In World War I the design was perfected and used so that people could see up and around the corners from their hiding places
The concept of a periscope dates back to the ancient Greek mathematician Hero of Alexandria around 300 BC. The modern periscope was developed in the 19th century and has been used extensively in submarines for naval operations since the early 1900s. Today, periscopes are also used in various other applications, such as in armored vehicles and in some sports like rowing.