Permanent Exhibition
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Halite
- Undated
While its mineral name is halite, this substance is also commonly known as rock salt. Rock salt is composed of sodium chloride, an essential compound the human body uses to absorb nutrients and maintain blood pressure.
- Subject Salt, Precious stones, Minerals
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Humboldt Meeker Burner
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Meeker burners function the exact same way as Bunsen burners except that they are used for objects that require a wider flame base. The Meeker burner can produce more heat than a Bunsen burner and features a distinctive…
- Manufacturer Humboldt Manufacturing Company
- Subject Bunsen burner, Meeker burner, Humboldt Manufacturing Company
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Iron Gas Burner
- Undated
Iron gas burner for the production of small glassworks; ball and socket rotatable neck; two flame adjustment knobs; three-pronged foot. Adjusting the two knobs on the burner allows for the user to dial in the exact…
- Subject Glass blowing and working, Gas-burners
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Olivine
- Undated
Olivine is a mineral with a distinct green color and granular-shaped crystals. It is one of the first minerals to cool and crystallize from magma. Recently, olivine has been used as an alternative to silica sand and…
- Subject Precious stones, Minerals, Olivine
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2 items
Putnam Fadeless Dyes Tin Sign
- Undated
- Contributor Putnam Dyes
- Manufacturer American Can Company
- Subject Dyes and dyeing, Putnam Dyes
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Tourmaline
- Undated
Boron (atomic symbol B), a naturally occuring Earth element, was first isolated by Sir Humphry Davy and Joseph Louis Gay-Lussac and Louis Jacques Thénard in 1808. Tourmaline is a boron silicate. Opaque and black in…
- Subject Precious stones, Minerals, Tourmaline
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Woman adjusting a Beckman DU Spectrophotometer
- Undated
The instrument is here shown attached to its power supply on a laboratory bench. The people in this image are unidentified.
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was…