Collection:
Juneau—Douglas City Museum
Object ID:
2007.22.013
Accession#:
2007.22
Credit Line:
Transferred from the U.S. Bureau of Land Management.
Object Name:
Drill
Title:
Mining Drill Bit
Year Range to:
1917
Description:
Drill Steel used in mining.
Long metal drill bit. Flat top with hole drilled into it. Hexagonal body. Base flares out and ends in four points. There is a hole in the middle. This is a pneumatic drill bit.
Long metal drill bit. Flat top with hole drilled into it. Hexagonal body. Base flares out and ends in four points. There is a hole in the middle. This is a pneumatic drill bit.
Notes:
Four points (on base) indicates that this is a pneumatic drill steel.
This drill bit would have been attached to a machine and a hole would have been drilled in the mine shaft wall. Dynamite is inserted into the hole. After the dynamite is blown, the ore is collected and processed.
This drill bit would have been attached to a machine and a hole would have been drilled in the mine shaft wall. Dynamite is inserted into the hole. After the dynamite is blown, the ore is collected and processed.
Search Terms:
Mining
Hardrock
Treadwell
Mine
T&E
JMIC
Hardrock
Treadwell
Mine
T&E
JMIC
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2007.22.013
2007.22.013