Barometer
date: label: date made
content: ca 1849
name: label: maker
content: Green, James
notes: label: Description
content: After deciding to organize a weather service under the auspices of the Smithsonian Institution, Joseph Henry commissioned James Green to make instruments suitable for distribution around the country. This portable mercury barometer, is of that sort. It has a sliding vernier operated by a head screw at the top of the tube, a Fahrenheit thermometer in the side of the tube, and a thumb screw that adjusts the volume of the cistern. The inscriptiion reads "Smithsonian Inst'n, Jas. Green, N.Y. 358." It may have been made in 1849, shortly after Green moved from Baltimore to New York.
label: Description
content: The otherwise unknown H. W. Lord gave this barometer to a U.S. Weather Bureau Official in Ithaca, New York, and he sent it to the Smithsonian in the early years of the twentieth century.
label: Description
content: Ref.: <i>Smithsonian Institution Annual Report for the Year 1850</i>, p. 17.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Barometers
label: See more items in
content: Measuring & Mapping
creditLine: label: Credit Line
content: Smithsonian Institution
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.224424
label: catalog number
content: 224424
label: accession number
content: 42137
objectType: label: Object Name
content: barometer
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: iron (overall material)
label: Measurements
content: overall: 37 in x 2 in; 93.98 cm x 5.08 cm
label: Measurements
content: overall: 36 3/4 in x 2 in; 93.345 cm x 5.08 cm