Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 188
ing film of Mica, that twoSelenites—red and blue—with a Mica-film, are found to give theentire series of coloursobtainable from anynumber of Selenite-films, either separatelyor in combinationwith each other. TheRevolving Mica-Sele-nite Stage (Fig. 84) de-vised by Mr. Blankley,and made by Mr.Swift,…
Microscopy · Biology
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