Vintage engraving of the Davy lamp, safety lamp for use in flammable atmospheres like coal mines, invented in 1815 by Sir Humphrey Davy. It consists of a wick lamp with the flame
117 Davy Lamp Photos and Premium High Res Pictures - Getty Images
Davy Safety Lamps - Northern Mine Research Society
BBC - A History of the World - Object : A small Davy Lamp
19th Century Illustration Of A Davy Lamp Stock Illustration - Download Image Now - 19th Century Style, Accuracy, Antique - iStock
Davy lamp is a safety lamp for use in flammable atmospheres like coal mines, invented in