Wikimedia Commons has media related to 850 mm track gauge.
This is a category for all narrow gauge railways built with a track gauge of 850 mm (2 ft 9+15⁄32 in).
Subcategories
This category has only the following subcategory.
This is a category for all narrow gauge railways built with a track gauge of 850 mm (2 ft 9+15⁄32 in).
This category has only the following subcategory.