Prepare working model of periscope
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- Find two small mirrors the same size. ...
- Cut the tops off two clean milk cartons. ...
- Tape the two cartons together. ..
- Cut a hole on one side just big enough for a mirror. ...
- Insert a mirror facing the hole at a 45º angle. ...
- Cut a hole at the other end, facing the opposite direction.
- Insert the second mirror facing the second hole.
- Look into one hole and adjust.
Attach the mirrors permanently
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