Show drum signaling the smithsonian Smiths onlan institution institute on says in the eastern belgian kongo tribes particularly the babela have evolved a system of telegraphy through use of a wooden drum the system of signals approaching that of a code the drum vibrations are anre not articulated as in human speech rather the message Is recognized through intensity of volume rhythm kind of drum used time of day etc in a jungle environment much information malthus may thug thus be signa signaled jed 1 |