Application of dicyanin to the photography of stellar spectra (1919)
National Bureau of Standards · leaf 26
Fig. 9.—D M + 380 1539. Class N. Plate H1802 … Fig. 10.—Titanium arc; one-prism spectrograph (502-1) 99Z- 6SZ— ■SBHN ■ r (502-2) Merrill] Dicyanin in Stellar Spectroscopy 503 of stars have been emphasized by the photographs taken duringthis investigation. Nearly all stellar spectra taken with moderate exposures ondicyanin plates appear in two…
Astronomy · Photography · General Physics
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
