Old Miner Davy Lamp Schott Gen Mainz Jenaer Glas Glass. | Etsy Hong Kong
Calaméo - What Is the Davy Lamp
Davy lamp - Wikipedia
Davy lamp - Wikipedia
Davy lamp, c, 1840 | Science Museum Group Collection
Davy lamp is a safety lamp for use in flammable atmospheres like coal mines, invented in 1815 by Sir Humphry Davy. It consists of a wick lamp with the flame produced by