recorder/preamplifier, electronic schematic
name: label: Collection Creator
content: Cary Instruments.
label: Collection Creator
content: Hawes, Roland C., 1908-1999
setName: label: See more items in
content: Roland C. Hawes Papers
label: See more items in
content: Roland C. Hawes Papers / Series 2: Research Files A-Z
container: label: Container
content: Map-folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials