Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 161
apparatus is combined with the ordinary Spectroscopic Eye-piece,and two spectra can be brought into the field at once.—Other improvementsdevised by Mr. Sorby, and a new form devised by Mr. F. H. Ward, have beencarried into execution by Mr. Hilger. (See Journ. of Roy. Microsc. Soc,Vol. i., 1878, p.… … Bright-line Spectro-Micrometer. MICEO-SPECTROSCOPE. 107 89. A beginner with the Micro-Spectroscope should first hold itup to the sky on a clear day, without the intervention of the micro-scope, and note the effects of opening and closing the slit by rotatingthe screw c (Fig. 61); the lines can only…
Microscopy · Biology
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