Illustration showing the workings of a periscope. A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation. 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.

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Details

Creative#:

TOP26153142

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

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