As will in the XIXth century the toy « reinvented» by an English physicist in 1825 John Ayrton Paris. By turning, the ring reproduces the movement of the animal, according to the principle of persistence of vision. In fact the hole in the middle placed on a stick or operated by a cord, can turn and the effect consequently produced is none other than the prehistoric ancestor of a thaumatrope. Today, their assessment has been revised. The prehistoric thaumatrope that they initially mistook for a button (Repro jardin de Limeuil in Dordogne). Nos partenaires Les partenaires de l'Association des Amis de Louis Ducos du Hauron.la Presse en parle Un été avec Louis Ducos du Hauron, le Petit Bleu 2021.Presse du Colloque Ducos du Hauron, Articles de presse de différents journaux sur le Colloque Ducos du Hauron du 27 novembre 2021.Colloque 'Ducos du Hauron : un inventeur visionnaire de la photographie couleur' Colloque Ducos du Hauron du.Présentation Association des Amis de Louis Ducos du Hauron.Association Les Amis de Louis Ducos du Hauron.Other inventions Louis Ducos du Hauron : his other inventions.The cinema The cinema - Louis Ducos du Hauron.Color photography Louis Ducos du Hauron and colour photography.

Photography before Ducos Photography before Louis Ducos du Hauron.

Epilogue Louis Ducos du Hauron - Epilogue.

Successes and disappointments Louis Ducos du Hauron - Successes and disappointments.

His retirement in Agen Louis Ducos du Hauron - His retirement in Agen.

His time in Paris Louis Ducos du Hauron - His time in Paris.

His youth in the South West His youth in the South West.

The man Introduction to Louis Ducos du Hauron.

Cinescope photography