Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York (etc.) Ginn and Company · leaf 149
to distinguish it from the large telescope to which thespectroscope is often attached). 194. Construction of the Spectroscope. — The instrument,therefore, as usually constructed, and shown in Fig. 52* con-sists of three parts, — collimator, dispersion piece, and viewtelescope, — although in the… … Fig. 52. — Telespectroscope, fitted for Photography. 194) CONSTRUCTION OF THE SPECTROSCOPE. 135 and there will be three bright lines. If the light comes froma luminous solid, like the lime cylinder of a calcium light, orthe filament of an incandescent lamp, or from an ordinarygas or candle flame…
Astronomy · Constellations
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