Description
A crowd of spectators can be seen behind the wire fencing
Massachusetts
William Faithorne the Younger
during Queen Mary I's reign
Davy lamp equality A crowd of spectators canOriginal model for a miners' safety lamp by Humphry Davy, the narrow cylindrical gauze is shown housed under a glass dome on an ebonized base. Davy created the lamp for use in coal mines, he discovered that a flame enclosed inside the fine mesh does not ignite firedamp (methane and other flammable gases) thus preventing explosions. ca. 1815
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