Name/Title
Koehler Safety LampEntry/Object ID
WS.0086Description
Aluminum and brass cylindrical lamp with Pyrex enclosure and wire fastening hook.Use
Illumination in underground coal mine, sometimes called a "possum lamp". The enclosure allows for protection of the flame from igniting gases and coal dust. Flames burned higher and with a blue tint when methane was present, while the flame would diminish in the presence of carbon dioxide.Context
Underground mine safety technology.Collection
Coal Mining ToolsMade/Created
Manufacturer
Koehler Manufacturing CompanyDate made
circa 1916Notes
early modelMaterial
Aluminum, Glass, Brass
