vertical attrition millstone
setName: label: See more items in
content: Work and Industry: Manufacturing
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.MHI-M-1024b
label: catalog number
content: MHI-I-1024b
label: accession number
content: 309131
objectType: label: Object Name
content: vertical attrition millstone