The First Power Amplified Talking Machine to market
6:46
1908 Columbia BC Graphophone
7:01
Columbia Models BC & BM Graphophone
7:59
Bobs' Capehart Orchestrope
4:02
Victor Auxetophone
3:42
Columbia BC Graphophone Cylinder Phonograph-Early Cabinet (GG Cabinet)
14:59
Motores antigos raros com som de partida que vão explodir seus ouvidos
6:17
Home built mechanical sound recorder
4:54