ホーム > Term: microphone
microphone
An instrument invented in 1878 by Professor Hughes, and consisting of charcoal tempered in mercury, which intensifies and renders audible the faintest possible sound.
- スピーチの一部 noun
- 産業/ドメイン 言語
- カテゴリ Encyclopedias
- Organization: Project Gutenberg
0
作成者
- JohannesDD
- 100% positive feedback
(Sydney, Australia)