Tonograph
notes: label: Description (Brief)
content: One (1) tonograph
label: Description (Brief)
content: An apparatus that provides music for the blind.
label: Description (Brief)
content: Patented by Emanuel Marquis. Patent model #26361.
label: Description (Brief)
content: Description: Two sets of five ridges that represent musical scales, rows of square holes allow positioning of movable metal notes.
label: Description (Brief)
content: apparatus, setting & copying for the blind
setName: label: See more items in
content: Work and Industry: Agriculture and Natural Resources
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.026361
label: accession number
content: 089797
label: catalog number
content: 026361
objectType: label: Object Name
content: Apparatus, Setting & Copying for the Blind
label: Object Name
content: patent model