Light visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896 (1897)
Thompson, Silvanus Phillips, 1851-1916, Royal Institution of Great Britain · New York : Macmillan · leaf 294
Fig. 144. … Fig. 145. kathode; it is a convenient form for those cases inwhich an alternating current is employed. In another direction many efforts have been madeat improvement of the luminescent screen. At firstgood barium platino-cyanide was not to be procured,and hydrated potassium platino-cyanide was…
Light · X-rays
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