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
Pamela hat off at the ear like a gipsy hat. By 1858, Godey's were advising readers that the Pamela hat was appropriate only for children, or for wearing on holiday as resort wear. At this time, Godey informed its readers that an alternative name for the "Pamela flat" was "Equestrienne". The Pamela bonnet was a fashionable option once again in 1865. In 1872, Gipsy and Pamela hats were both listed as options, both much reduced in size, while larger gipsy hats were known as Dolly Varden hats. Bergère hat Pamela hat The Chapeau à la Paméla, Pamela hat or Pamela bonnet described