Instrument
notes: label: Description
content: This curious instrument from the U.S. Weather Bureau has a vacuum connection, a thermometer and a manometer suspended within a bell jar, 7.5-inches high. The “Jas. Green / Balto” inscription on the thermometer is that of an immigrant instrument maker who worked in Baltimore in the 1830s and 1840s.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.323502
label: catalog number
content: 323502
label: accession number
content: 251558
objectType: label: Object Name
content: pneumatic instrument
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 5 1/4 in x 7 in; 19.05 cm x 13.335 cm x 17.78 cm
label: Measurements
content: overall: 7 3/4 in x 7 in x 5 in; 19.685 cm x 17.78 cm x 12.7 cm