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[Artificial gills and bubble filter, sketch and notes.]

view [Artificial gills and bubble filter, sketch and notes.] digital asset number 1
Author:
Ayres, Waldemar A (inventor) 1909-
Physical description:
Pencil and ink on paper
1 item, 5.5" x 4.2"
Type:
Two-dimensional graphics
Date:
1966
April 9, 1966
1960-1970
Summary:
On lined paper.
Cite as:
Waldemar A. Ayres Collection, Archives Center, National Museum of American History, Smithsonian Institution
Topic:
Inventions
Inventors
Underwater breathing equipment
Gill-type underwater breathing equipment
Local number:
AC0077-0000001 (AC scan number)
See more items in:
Waldemar A. Ayres Collection 1954-1974
Data Source:
Archives Center - NMAH

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