Collection:
Juneau—Douglas City Museum
Object ID:
2007.22.074A—E
Accession#:
2007.22
Credit Line:
Transferred from the U.S. Bureau of Land Management.
Object Name:
Bottle, Reagent
Title:
Refractive Liquids Standards
Year Range from:
1971
Year Range to:
1996
Description:
Refractive — Index Liquids Standards
Red and white cardboard box. The top lifts off separately and has a label on the top that says "Cargille Made in USA / Certified / Index of Refraction / Liquids." Bad burn in lower left of top. There is some tissue paper on the inside of the box. The box bottom has three spots for bottles. Inside the box there are three brown glass bottles. The labels have mathematical formulas and other conversions written in green ink. All three contain one (1) fluid ounce Two of the bottles are opened, one on January 25, 1971 by Ben and the other on July 29, 1971. The third box is unopened and has a white seal on it.
Used to identify the minerals present in a rock sample. An extremely small fragment or crystal of one of the mineral grains is immersed in a liquid media with a known refractive index and viewed under a microscope.
Red and white cardboard box. The top lifts off separately and has a label on the top that says "Cargille Made in USA / Certified / Index of Refraction / Liquids." Bad burn in lower left of top. There is some tissue paper on the inside of the box. The box bottom has three spots for bottles. Inside the box there are three brown glass bottles. The labels have mathematical formulas and other conversions written in green ink. All three contain one (1) fluid ounce Two of the bottles are opened, one on January 25, 1971 by Ben and the other on July 29, 1971. The third box is unopened and has a white seal on it.
Used to identify the minerals present in a rock sample. An extremely small fragment or crystal of one of the mineral grains is immersed in a liquid media with a known refractive index and viewed under a microscope.
Notes:
Refractive—Index Mineral Grain Powders such as this were used to determine the composition of a rock sample. See explanation in document file for more information.
Search Terms:
JMIC
T&E
Assaying
Mining
T&E
Assaying
Mining
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2007.22.074A-E D
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2007.22.074A
2007.22.074B
2007.22.074C
2007.22.074D-E
2007.22.074A-E D
2007.22.074A-E F
2007.22.074A
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2007.22.074C
2007.22.074D-E