Linglong
Issue
No. 072 (26 October, 1932)
Page: 050 (56 total)

© Courtesy of the C. V. Starr East Asian Library, Columbia University.

Article
科學常識 汽車上之放聲器, Common knowledge in science. Loudspeaker for Cars.

Keywords: science, general knowledge,

Image

汽車上之放聲器 Loudspeaker for Cars

Keywords: invention,