Assertion: megaphone | /r/HasProperty | simple funnels
Facets:
Source sentences:
text: When the Englishman Samuel Morland invented this device in 1670, megaphones were still simple funnels made of glass or iron.
text: And if you’re using a PC without a microphone, Megaphone is a simple and inexpensive way to add a mic to your PC setup so - for example - you can add add voiceover to videos, record podcasts with crystal-clear sound or add commentary to games.