POM of typewriter improvement
date: label: date made
content: 1886
name: label: maker
content: Barron, Walter J.
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: ME.318158
label: accession number
content: 254082
label: catalog number
content: ME.318158
label: patent number
content: 361114
objectType: label: Object Name
content: patent model, typewriter improvement
physicalDescription: label: Measurements
content: overall: 13 in x 4 in; 33.02 cm x 10.16 cm