mid-19th century - early 20th century | graphite on paper
August 5, 1879 | graphite on paper
late-19th century - early 20th century | printing ink on paper
1879 | printing ink on paper
1875 | printing ink on paper
August 6, 1873 | graphite on paper
1882 | printing ink on paper
1881 | printing ink on paper
late 19th century | graphite on paper
1883 | printing ink on paper
1892 | gelatin silver process
1911 | gelatin silver process
1904 | gelatin silver process
mid-19th century - mid-20th century | gelatin silver process
1887 | printing ink on paper
1884 | brown printing ink on paper