Build a Periscope

A periscope is an instrument for observation from a concealed position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45-degree angle.

Uses:

There are many uses but one of the most common is using it in Submarine, to look outside the water while having completely submerged.

How to build one?

Step 1). Take any box

Step 2). Make two holes, one at the top and the other one at the bottom of the box.

Step 3). Fit two mirrors(not necessarily identical) at 45 degrees from their respective base.

Step 4). It's done!

Click here for step by step tutorial

History of Periscope

Related PDF :
Homemade Periscope


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