The Public Paperfolding History Project
Last updated 14/1/2025 x |
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Article in La Nature Issue 427 of 6th August 1881 | |||||||
This article written by Adrien Guebhard, and headed 'Sur les tourbillons annulaires des liquides et des gaz', describes how to obtain smoke rings from a Playing Card Cube. ********** ********** |
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