Comparison Spectra of Titanium, Campbell. 1. Venus. 2. d Bootis. 3.d O rionis. 4.0 Ceti. = Mira.
Transparency
Unidentified
Maker
Comparison Spectra of Titanium, Campbell. 1. Venus. 2. d Bootis. 3.d O rionis. 4.0 Ceti. = Mira.
transparency, gelatin on glass
3 1/4 x 3 1/4 in.
Gift of Fred Spira
