A safety lamp, also known as a Davy lamp, is a type of lighting device invented by Sir Humphry Davy in the early 19th century. It was designed to be used in coal mines, where the risk of explosions from gas build-up was high. In addition to the familiar term "Davy lamp," there are several other synonyms for the device. These include "miners' lamp," "flame safety lamp," and "explosion-proof lamp." Each of these names reflects the lamp's primary purpose, which is to provide a safe, reliable source of light that will not ignite any flammable gases present in the mine.