Thermometer
date: label: date made
content: ca 1876
name: label: maker
content: C. Gerhardt
notes: label: Description
content: Mercury-in-glass thermometer with a cylindrical bulb, and scale that extends from -38 to +20 degrees Centigrade. The inscription on the milk-white back reads “Centigrade C. Gerhardt, Bonn No. 1940.” There is a hinged, black paper case.
label: Description
content: Carl Gerhardt began making laboratory apparatus in 1872. This thermometer was used by chemists at the Johns Hopkins University, and may date from soon after the establishment of that school in 1876.
label: Location
content: Currently not on view
place: label: place made
content: Germany: North Rhine-Westphalia, Bonn
topic: label: Subject
content: Chemistry
setName: label: See more items in
content: Medicine and Science: Chemistry
label: See more items in
content: Thermometers and Hygrometers
label: See more items in
content: Measuring & Mapping
creditLine: label: Credit Line
content: Johns Hopkins University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: CH.315873
label: catalog number
content: 315873
label: accession number
content: 221777
objectType: label: Object Name
content: Thermometer
physicalDescription: label: Measurements
content: overall: 6 3/4 in; 17.145 cm
label: Measurements
content: overall in case: 5/8 in x 7 3/4 in x 7/8 in; 1.5875 cm x 19.685 cm x 2.2225 cm