Patent Model - Improved Mode of Disintegrating Vegetable Substances for Paper-Pulp

Maker and role
Zephirin Orioli (French), Patentee
Amable Fredet (French), Patentee
Pierre Matussiere (French), Patentee
Production date
Apr 25 1865
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Object detail

Paper pulp
15 3/4 x 11 1/4 x 1 1/2" (40 x 28.6 x 3.8cm)
Orioli, Fredet, and Matussiere's patent is "based on the discovery that aqua-regia, when applied in the proper proportion, destroys all ligneous matters without attacking the fiber or cellulose." (Patent Number 47,505)
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