Spectra Of Potassium, Rubidium, Sodium, And Lithium
Transparency
Spectra Of Potassium, Rubidium, Sodium, And Lithium
From "Spectrum Analysis"
ca. 1870
Collodion silver transparency
Overall: 8.3 x 10.2 cm (3 1/4 x 4 in.)
Image: 5.4 x 7.5 cm (2 1/8 x 2 15/16 in.)
Gift of the 3M Foundation, ex-collection Louis Walton Sipley, 1977
Inscriptions recto (no inscription): gold border with star around image.
verso (rectangular paper lable with black ink): 6 Spectra of Potassium, Rubidium, So- / dium, and Lithium.
verso (rectangular paper lable with black ink): 6 Spectra of Potassium, Rubidium, So- / dium, and Lithium.
