Radiography and the 'X' rays in practice and theory : with constructional manipulatory details (1898)
Bottone, Selimo Romeo · London ; New York : Whittaker & Co. · leaf 126
lass belong screens made with barium FLUORESCENT SCREENS m platinocyanide, with calcium tungstate (or calciumtungBtate and mica), and with uranium fluoride. Ofthese, there is no douht that the harium jjlatinocyanideis the hest, although good samples of calcium tungstaterun it very close. Uranium… … Fig. 30.—Spreading Gum-Water. board. This should be thick enough to be ahsolatelyopaque to ordinary light, and should be tested to thisend by holding up in strong sunlight, with the hand orother opaque body behind. A very convenient size forsurgical work is 12 in. by 9 in., but a screen 9 in. by 6…
Electric radiation · X-rays · Radiography
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