1914 | gelatin silver process
1926 | gelatin silver process
late 19th century - early 20th century | leather, metal, plastic
late 19th century - early 20th century | leather, plastic, metal
late 19th century - early 20th century | paper
1916 | gelatin silver process
1920 | gelatin silver process
late 19th century - early 20th century | gelatin silver process