United States or Zimbabwe ? Vote for the TOP Country of the Week !
Metcalf spoke into his wireless telephone transmitter was caught and swelled in volume by the Telemegafones below and persons blocks away could hear the message plainly. Two kinds of these loud speakers are made and these are: a small loud speaker for the use of operators so that headphones need not be worn, and a large loud speaker for auditorium and out-door audiences.
Metcalf spoke into his wireless telephone transmitter was caught and swelled in volume by the Telemegafones below and persons blocks away could hear the message plainly. Two kinds of these loud speakers are made and these are: a small loud speaker for the use of operators so that headphones need not be worn, and a large loud speaker for auditorium and out-door audiences.
Word Of The Day