Showing 1 - 5 of 5 , query time: 0.01s
Cover Image
Format:
Image
Tamping in dynamite prior to blasting a section at Gilman. Holes that have been prepared are shown with electrical connections to the blasting caps and the dynamite. Joe Fear prepared the blasting caps on the surface. Bottom series of holes were detonated first to keep the miners from having to work so much loose debris - a true demonstration of the principle of gravity.
Cover Image
Format:
Image
Blasting caps and cord station.
Cover Image
Format:
Image
Miner's helper assisting with tamping dynamite prior to blasting the exposed rock face. Both miners have the battery powered safety lights connected by the long cord to a pouch on their waists.
Cover Image
Format:
Image
Tamping in dynamite prior to blasting a section at Gilman. Holes that have been prepared are shown with electrical connections to the blasting caps and the dynamite. Joe Fear prepared the blasting caps on the surface. Bottom series of holes were detonated first to keep the miners from having to work so much loose debris - a true demonstration of the principle of gravity.
Cover Image
Format:
Image
Inserting dynamite into a drill hole prior to blasting at Gilman.