. . . . . "5393388"^^ . . . . . . . . . . . . . . "1090410247"^^ . . . . . . "6491"^^ . . . . . . . . . "Scophony"@en . . . . "Scophony was a sophisticated mechanical television system developed in Britain by Scophony Limited. A black and white image was produced by an early form of acousto-optic modulation of a bright light using a piezoelectric crystal and water or other transparent liquid column."@en . "Scophony was a sophisticated mechanical television system developed in Britain by Scophony Limited. A black and white image was produced by an early form of acousto-optic modulation of a bright light using a piezoelectric crystal and water or other transparent liquid column."@en . . . . . . . . . .