Home > 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.
- Part of Speech: noun
- Industry/Domain: Language
- Category: Encyclopedias
- Organization: Project Gutenberg
0
Creator
- JohannesDD
-
(V.I.P) 14638 points - 100% positive feedback
(Sydney, Australia)
