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Miner’s Safety Lamp Patent Model
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This safety lamp is a patent model constructed by Joseph Defossez of Paris, France that received patent number 36,341 on September 2, 1862. In his patent filing, Defossez claimed as his invention “the pneumatic locking device in combination with the oil reservoir, top plate, and chimney” constructed to avoid the risk of mining explosions.
National Museum of American History’s own descriptionCredit lineMiner’s Safety Lamp Patent Model. 09-02-1862. National Museum of American History. CC0.
