Operating and Maintenance Instructions for D-165529 Sound Spectrograph (1 of 5)
name: label: Collection Creator
content: Kopp, Harriet Green, 1917-
setName: label: See more items in
content: Harriet Green Kopp Papers
label: See more items in
content: Harriet Green Kopp Papers / Series 1: Documents
unitdate: label: Date
content: 1944
container: label: Container
content: Box 2, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Text
scopecontent: label: Scope and Contents note
content: Operating and Maintenance Instructions for D-165529 Sound Spectrograph