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General Radio type 338 string oscillograph by the Smithsonian Institution
ID: general-radio-type-338-string-oscillograph-by-the-smithsonian-institution
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General Radio type 338 string oscillograph by the Smithsonian Institution
by
Codex
0
2026-11-05
americanhistory.si.edu/collections/object/nmah_706422
Museum
object record nmah_706422, describing the
wire
,
lamp
, rotating
mirror
and screen.
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1
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