| Paul & Prosper Henry A Section of the Constellation Cygnus 1885, 13 August Albumen silver print, from glass negative 25.8 x 21.2 cm (10 3/16 x 8 3/8 ins) Metropolitan Museum of Art Gilman Collection, Purchase, Robert Rosenkranz Gift, 2005, Accession Number: 2005.100.124 LL/40528
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