No. 09 of 10 · Optical Devices
Kaleidoscope
Optical instrument to view patterns due to repeated reflection
- Type
- Subclass of: optical toy · optical instrument · Source · 2026-10-20
- Brand
- Unknown
- Country of origin
- Unknown
- Introduction year
- Unknown
- Source
- https://commons.wikimedia.org/wiki/File:Kaleidoscope_tube_1.jpg
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–Win rate
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