"All sounds travel in waves much the same as ripples in water." Educational film produced by Bray Studios New York, which was the dominant animation studio based in the United States in the years surrounding World War I.
'Alle geluiden reizen in golven, vrijwel hetzelfde als rimpelingen in water.' Educatieve film geproduceerd door Bray Studios New York, de dominante animatiestudio in de Verenigde Staten in de jaren rond de Eerste Wereldoorlog.
