Display of samples of radioactive and luminescent substances
date: label: date made
content: ca 1920s
name: label: maker
content: Hammer Laboratories
notes: label: Description
content: Description of display of samples of radioactive and luminescent substances, Object ID 1994.0125.20
label: Description
content: A framed display panel to illustrate the appearance of ores and compounds of uranium and thorium and phosphorescent media used for luminous paint. At the top of the panel is a printed heading: "Hammer RADIOACTIVITY and LUMINESCENCE Demonstrator", and in the upper right corner, "Hammer Laboratories, / Denver, Colorado"
label: Description
content: (One of the accompanying] photographs provided by donor, Prof. Herbert Clark, Rensselaer Polytechnic Institute.)
label: Description
content: The display consists of a cardboard panel, 8 ¾” wide x 4 ¼” high, carrying nine 1” squares of various radioactive and luminescent minerals with names and 50-word printed texts, plus one small (1/4” diam. spot of “Radium Luminous Material” and one spinthariscope-like 3/8” diam. well with a pin protruding horizontally into it. The pin is alleged to carry radium sulfate on its head. The panel is mounted under glass in a crude ¾”wooden frame, painted dark green, held in place by surely acidic cardboard and eight miscellaneous brads and nails in the back of the frame. The panel is slightly browned all over.
label: Location
content: Currently not on view
topic: label: web subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Modern Physics
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content: Science & Mathematics
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content: Modern Physics
creditLine: label: Credit Line
content: Rensselaer Polytechnic Institute. Department of Chemistry
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1994.0125.20
label: accession number
content: 1994.0125
label: catalog number
content: 1994.0125.20
objectType: label: Object Name
content: display of samples of radioactive and luminescent substances
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: various radioactive and luminescent minerals (overall material)
label: Physical Description
content: cardboard (overall material)
label: Measurements
content: panel: 10.5 cm x 22.5 cm; 4 1/8 in x 8 27/32 in
label: Measurements
content: wooden frame: 2 cm; 25/32 in