Top hat ribs and springs. His patent was described as: Some sources have taken this to describe an early folding top hat, although it is not explicitly stated whether Dollman's design was specifically for male or female headgear. Dollman's patent expired in 1825. In France, around 1840, Antoine Gibus's design for a spring-loaded collapsible top-hat proved so popular that hats made to it became known as "gibus". They were also often called "opera hats" due to the common practice of storing them in their flattened state under one's seat at the opera, though the term can also refer to any tall formal
Zec du Chapeau-de-Paille Zec du Chapeau-de-Paille The ZEC Chapeau de Paille is a "zone d'exploitation contrôlée" (controlled harvesting zone) (zec), located in the Mekinac Regional County Municipality, in administrative region of Mauricie, in Quebec (Canada). This Zec which was created in 1978, is administered by the Association Nature inc. The name of the hunting and fishing from Lake Chapeau de Paille to which the surrounding terrain remind the shape of the straw hat. ZEC Chapeau de Paille covers an area of . It shares its boundaries with the Zec du Gros-Brochet at the north, Zec Wessonneau in northeast, Saint-Maurice Wildlife Reserve in the