Diffraction Grating
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: U. S. Naval Observatory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.336599
label: catalog number
content: 336599
label: accession number
content: 283654
objectType: label: Object Name
content: concave grating
physicalDescription: label: Measurements
content: overall: 9 7/8 in x 3 3/4 in x 7 in; 25.0825 cm x 9.525 cm x 17.78 cm