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File:The Experimenter March 1925 cover - Oudin coil.jpg
来自维基百科,自由的百科全书
Found in articles
File:The Experimenter March 1925 cover - Oudin coil.jpg
DescriptionThe
Experimenter
March
1925
cover
-
Oudin
coil
.
jpg
English:
Cover
of
the
March
1925
issue of
the
Hugo Gernsback science magazine
The
Experimenter
, showing