Diffraction Grating
notes: label: Description
content: According a note on to the paper envelope, this glass diffraction grating has 20,000 lines per inch. It was, moreover, associated with John Meggers, at the Alice Deal High School. John Meggers' father was William F. Meggers, the physicist who served, for many years, as head of the spectroscopy division at the National Bureau of Standards.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.314637.02679
label: catalog number
content: 314637.02679
label: accession number
content: 314637
objectType: label: Object Name
content: diffraction grating
physicalDescription: label: Measurements
content: overall: 1/4 in x 6 in x 4 3/8 in; .635 cm x 15.24 cm x 11.1125 cm