Several companies made tiles cellulose products, most of those have their own 'trade name' for the product they used. For example, Pyralin was a trade name for Pung Chow sets and it was made by Du Pont. Piroxloid is a trade name of the material as well as the name of the company marketing sets sold in boxes with either a side view of a Chinese man or a Chinese magician. On the left please click on the link under French Ivory for Prioxloid.

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