Trestle (mill)
Encyclopedia
The Trestle of a Post mill
is the arrangement of the Main post, crosstrees and quarterbars that form the substructure of this type of windmill
. It may or may not be surrounded by a roundhouse. Post mills without a roundhouse are known as Open Trestle Post Mills.
A Trestle Mill is a variety of Smock mill
, usually without weatherboards, formerly used for drainage in the Norfolk Broads.
Post mill
The post mill is the earliest type of European windmill. The defining feature is that the whole body of the mill that houses the machinery is mounted on a single vertical post, around which it can be turned to bring the sails into the wind. The earliest post mills in England are thought to have...
is the arrangement of the Main post, crosstrees and quarterbars that form the substructure of this type of windmill
Windmill
A windmill is a machine which converts the energy of wind into rotational energy by means of vanes called sails or blades. Originally windmills were developed for milling grain for food production. In the course of history the windmill was adapted to many other industrial uses. An important...
. It may or may not be surrounded by a roundhouse. Post mills without a roundhouse are known as Open Trestle Post Mills.
Smock mill
The smock mill is a type of windmill that consists of a sloping, horizontally weatherboarded tower, usually with six or eight sides. It is topped with a roof or cap that rotates to bring the sails into the wind...
, usually without weatherboards, formerly used for drainage in the Norfolk Broads.