Codex Palatinus Germanicus 67

Werkstatt Ludwig Henfflin, Stuttgart 1470.

John Barnes Linnett

Producing Optical Illusions

London 14 march 1868.

Henry von Hoevenbergh

Optical Toy

16 may 1882.

Henry von Hoevenbergh

Optical Toy

20 june 1882.

Arthur Andrew Melville

An Improved Toy or Picture Book

Birmingham 17 november 1886.

Breloques et images animées

La Science illustrée, 5 december 1896.

Le folioscope

La Revue des nouveautés, N. 28, Comptoir de Spécialités Brevetées, Paris january 1897, pp. 6-7.

Henri De Parville

Le folioscope

Journal des débats politiques et littéraires, 11 february 1897.

Le folioscope

Le Monde Illustré, Paris 20 march 1897, p. 186.

John O'Neill

Improved Means or Method of Producing Living Pictures by the Manipulation of the Leaves of a Book

Burnley 24 july 1897.