This is the space age. Not just for sputniks and moonshots but also for hi-fi. We have ‘space’ conveyed through stereo sound – if we can find space for that extra stereo speaker. The theory that space is limited is nothing new to the average housewife. ( HiFi Review , April 1959, p. 49)
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Keir Keightley (1996) studied this question.
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