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1Oe1 Light Reflection – Periscope

$50.00 $38.00

The concept of a periscope:

Both periscope and telescope apply the same concept of light reflection. Light is being reflected by two mirrors before entering the eyes of the user.

I can view the image from the upper level!

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Description

潛望鏡是一種利用光線反射原理所製作的光學儀器,在雙層巴士都有安裝,以便司機觀察巴士上層。

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