Both MSA-manufactured helmets are represented in the mining collection in the Division of Work and Industry. Rescue Team with Edison Cap Lamps & MSA Breathing Apparatus. Jenkins, Kentucky, 1926.

The Turtle Shell allows Minecraft players to breathe underwater for longer, and this guide will show them exactly how to get ...

Just like the soft mining caps that were used to hold oil-wick or carbide mining lamps, mining helmets were used to hold the new electric cap lamp. The lamp sat in a bracket at the front of the helmet ...