. "1898" . . "Casson's Patent Organ Co Ltd." . . . . . . . "The Positive Organ Company Ltd." . "WR Andrew, Casson\u2019s Patent Organ Co Ltd" . . . . . . "Positive Organ Company Ltd" . . "Positive Organ Company" . . . . "Positive Organ Company (1922) Limited" . . . "Terminated" . "Positive Organ Company" .