Bit, Drill : 2003.58.014

Collection:

Juneau—Douglas City Museum

Object ID:

2003.58.014

Accession#:

2003.58

Credit Line:

Donated by the U.S. Bureau of Land Management.

Object Name:

Bit, Drill

Title:

Large Steel "Tricone" Churn Drill Bit

Date:

1950

Description:

Large, cylindrical steel "Tricone" rotary or churn drill bit. Three rotating cogged wheels at tip. "3/4/ W" & "4" stamped into each wheel. "W45 3/4 5 (circle w/ "T") 6419" stamped inside bit.

Notes:

See 2003.58.001
See document file

Search Terms:

Government
Federal
Geological
T&E
Mining

Click to Enlarge

Large Steel "Tricone" Churn Dr

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Permanent Collection Objects