15th April 1960, Page 58
15th April 1960
Page 58

Page 58, 15th April 1960
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Polarized Light Dimmer
DATENT No. 829,650' shows a mech anical means of obtaining any desired degree of dimming for dash panel lights. (C.A.V., Ltd., Warple Way, London, W.3,) The device employs......