Sapan acoustic demonstration apparatus
name: label: maker
content: Sapan Engineering Company
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Bell Telephone Laboratories
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315082.04
label: accession number
content: 215003
label: catalog number
content: 315082-4
objectType: label: Object Name
content: Acoustic Demonstration Apparatus
label: Object Name
content: acoustic apparatus
physicalDescription: label: Measurements
content: overall: 5 in x 3 in x 2 1/2 in; 12.7 cm x 7.62 cm x 6.35 cm