Category:Hollow post mills
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English: In these mills the main post is bored to take a driveshaft, similar to an Upright Shaft in a smock or tower mill. This enables the mill to drive machinery in the base or roundhouse.
This category has the following 3 subcategories, out of 3 total.
Media in category "Hollow post mills"
This category contains only the following file.
- Stodmarsh Windpump.JPG