[Artificial gills and bubble filter, sketch and notes.]
odd: label: Local Numbers
content: AC0077-0000001 (AC scan number)
name: label: Author
content: Ayres, Waldemar A., 1909- (inventor)
label: Collection Creator
content: National Museum of American History (U.S.). Division of Naval History
label: Collection Creator
content: Ayres, Waldemar A., 1909- (inventor)
topic: label: Topic
content: Inventions -- 1960-1970
label: Topic
content: Inventors
label: Topic
content: Underwater breathing equipment
label: Topic
content: Gill-type underwater breathing equipment
creator: label: Author
content: Ayres, Waldemar A., 1909- (inventor)
setName: label: See more items in
content: Waldemar A. Ayres Collection
label: See more items in
content: Waldemar A. Ayres Collection / Series 3: Research Notes on Artificial Gill / Bubble Type Gills
physdesc: label: Extent
content: 1 Item (Pencil and ink on paper., 5.5" x 4.2")
unitdate: label: Date
content: April 9, 1966
container: label: Container
content: Box 2, Folder folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: On lined paper.