Minimum Thermometer
date: label: date made
content: ca 1852-1897
name: label: maker
content: Geissler
notes: label: Description
content: This is a Rutherford-type minimum thermometer with a bifurcated bulb. The tube scale is graduated every .2 degrees from -50 to +40, and its milk-glass backing is marked "H. Geissler in Bonn" and "Centigrade." The whole is enclosed in an outer glass cylinder.
label: Description
content: Heinrich Geissler began manufacturing chemical and physical apparatus in Bonn in 1852 and soon acquired a worldwide reputation. Franz Müller joined the firm in 1874 and, after Geissler's death in 1879, did business as Dr. H. Geissler, Nachfolger Franz Müller.
label: Description
content: This example came from Western Reserve University, and was probably used by Edward W. Morley, a noted American scientist.
label: Location
content: Currently not on view
place: label: place made
content: Germany: North Rhine-Westphalia, Bonn
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Thermometers and Hygrometers
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content: Measuring & Mapping
creditLine: label: Credit Line
content: Western Reserve University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.322607
label: catalog number
content: 322607
label: accession number
content: 249272
objectType: label: Object Name
content: thermometer
physicalDescription: label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 16 1/4 in; 41.275 cm
label: Measurements
content: overall: 16 1/2 in x 3/4 in; 41.91 cm x 1.905 cm