Collection:
Juneau—Douglas City Museum
Object ID:
2007.22.032A—C
Accession#:
2007.22
Credit Line:
Transferred from the U.S. Bureau of Land Management.
Object Name:
Crucible
Title:
Platinum Crucible
Year Range from:
1950
Year Range to:
1996
Description:
Medium Platinum Crucible
A: Crucible — Platinum
Short hollow metal column. Has spout on one side. Fits inside Crucible holder bottom.
B: Crucible holder (bottom)
Round wooden column. With solid base, but no top. From top down about two—thirds of the center is hollowed out. A small notch is on one side for spout of crucible On bottom says: USBM / 20579 (carved into wood and covered in red color).
C: Crucible holder (top)
Round wooden top for crucible holder bottom. Top is wider then bottom. Fits into crucible holder bottom.
A: Crucible — Platinum
Short hollow metal column. Has spout on one side. Fits inside Crucible holder bottom.
B: Crucible holder (bottom)
Round wooden column. With solid base, but no top. From top down about two—thirds of the center is hollowed out. A small notch is on one side for spout of crucible On bottom says: USBM / 20579 (carved into wood and covered in red color).
C: Crucible holder (top)
Round wooden top for crucible holder bottom. Top is wider then bottom. Fits into crucible holder bottom.
Notes:
Platinum is used for high temperature chemical analysis because it is a noble metal and won't react with many compounds that you might want to test.
The wood case is used to help restore the shape of the crucible.
The wood case is used to help restore the shape of the crucible.
Search Terms:
Mining
T&E
JMIC
Assaying
T&E
JMIC
Assaying
Click to Enlarge
2007.22.032A
2007.22.032B
2007.22.032C
2007.22.032A
2007.22.032B
2007.22.032C