early 20th Century | cotton, steel,
late 19th century - early 20th century | gelatin silver process
late 19th-early 20th century | leather, cloth
circa 1883 | leather, metal,
late 19th century | metal
late 19th century - early 20th century | wood, metal, cloth, paint
early 20th Century | plastic
late 19th century - early 20th century | metal, stone
1922 | ink on paper
March 22, 1928 | ink on paper
October 19, 1927 | ink on paper
late 19th century - early 20th century | ink on paper
late 19th century - early 20th century | Modeling compound (likely air-dry Modello or similar), iron armature, paint.
December 25, 1929 | ink on paper