Evening Republican, Volume 23, Number 136, Rensselaer, Jasper County, 5 June 1920 — DRESSES SOUND DEVICES TO BE USED AT CONVENTION [ARTICLE]

DRESSES

SOUND DEVICES TO BE USED AT CONVENTION

Chicago, 111., June 4, Electrical sound amplifying devices which will enable speakers at the republican convention here next week' and at the democratic convention in San Francisco later in the month, to be heard in every part of the hall will be installed by the Bell Telephone interests, it was announced here tonight. A huge transmitter will be placed above the speaker’s platform at each convention and from it wires will run to all parts of - the hall, connecting with small receivers, which in reality will acts as transmitters and will carry the Speaker's voice all over the building. All of the mechanical apparatus used will be covered with flags and will appeal to be part of the decorations according to the plans. A similar device was used by the navy during the War to improve communication between different parts of large ships.