Intellect Co Ltd
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Black Wall
Model No.:
1120990
Description
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Description
- This set presents the principle of polarizing film.
- When 2 polarizing films placed perpendicularly, light cannot passing through.
- But putting 2 polarizing films perpendicular in the tube, there is a black light on the joint.
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Supplier info last updated: 1 Nov 2017
Advertise since: 1 Nov 2015
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