Ellicott's Mills, Md.
Transparency
Ellicott's Mills, Md.
ca. 1855
Collodion silver transparency
Overall: 8.3 × 10.2 cm (3 1/4 × 4 in.)
Image: 6.5 × 6 cm (2 9/16 × 2 3/8 in.)
Gift of the 3M Foundation, ex-collection Louis Walton Sipley, 1977
1979.1829.0013
Inscriptions recto (printed in gold on mount): F. LANGENHEIM'S PATENT, Nov. 19, 1850 / (written in white ink on mount): Ellicotts Mills, Md.
verso (pencil on black tape): 430724
verso (pencil on black tape): 430724
