Koehler Flame Safety Lamp Disassembly
Disassembly and Assembly of a Koehler Flame Safety Lamp. Similar to the Wolf Flame Safety Lamp, these lamps were widely used in mining through out the world in various forms for about 200 years.
Disassembly and Assembly of a Koehler Flame Safety Lamp. Similar to the Wolf Flame Safety Lamp, these lamps were widely used in mining through out the world in various forms for about 200 years.
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