| William Langenheim Frederick Langenheim 1851-1853 (ca) Daguerreotype 8.9 x 7 cm (3 1/2 x 2 3/4 in.) (image) 1.6 x 11.9 x 9.4 cm (5/8 x 4 11/16 x 3 11/16 in.) (case) Metropolitan Museum of Art Gilman Collection, Gift of The Howard Gilman Foundation, 2005, Accession Number:2005.100.217 LL/92012
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