pneumatic clock, slave clock
date: label: Date made
content: ca 1880
name: label: manufacturer
content: A. Hahl & Co.
place: label: place made
content: United States: Maryland, Baltimore
setName: label: See more items in
content: Work and Industry: Mechanisms
creditLine: label: Credit Line
content: Transfer from D.C. Board of Education
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ME.311081
label: catalog number
content: 311081
label: accession number
content: 137407
objectType: label: Object Name
content: Pneumatic Clock, Slave Clock