speaking tube
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Mechanisms
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN83513U67
objectType: label: Object Name
content: Speaking Tube
physicalDescription: label: Measurements
content: overall: 3 5/8 in x 15 1/4 in x 4 in; 9.2075 cm x 38.735 cm x 10.16 cm