I guess it's a reserve tank
creditLine: label: Credit Line
content: Barbara V Dodge
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2008.0180.214.34
label: accession number
content: 2008.0180
label: catalog number
content: 2008.0180.214.34
objectType: label: Object Name
content: cartoon
physicalDescription: label: Measurements
content: overall: 2 1/4 in x 3 1/2 in; 5.715 cm x 8.89 cm