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 ...
5d
Midland Reporter-Telegram on MSNVeteran-founded Hard Head Veterans expands to oil and gas safety helmetsHard Head Veterans, founded by Special Ops veterans, now offers safety helmets for oil and gas, meeting updated OSHA standards.
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results