Perforation type: 11 ½x11 ¾

Subject:

10 crowns. The Ruprechtov* windmill-turbine

Additional:

*The village of Ruprechtov near Vyškov na Moravě is the location of a unique windmill was built in 1873 as a classical Dutch-type windmill with four blade wheel and pivoting roof. After a few years of service it suffered a damage in windstorm, resulting in its modernisation and uniqueness from today's point of view.

To replace the original design, Cyril Wágner the owner and builder installed in 1882 thru 1884 Halladay turbine, named after its inventor and design engeneer, American farmer Daniel Halladay. The runner consists of a chain of operable vanes controlled by rods, enabling them to be tilted as required automatically according to the wind. Duble tail vane maintained the wheel at the right course. Using this invention, the mill could double its output in corn processing.

The turbine with a diameter of 10 meters, weighing approximatelly 2 tons revolves at about 16 meters above the ground.

Halladay turbine which is unique here as well as in Europe used to be employed in great numbers in Texas, powering sawmills and waterpumps. Located at Drahanska highlands in between towns of Vyskov and Blansko in the village of Ruprechtov, the windmill is a technical monument proposed for inclusion in National as well as UNESCO List of Monuments.

Also see FDC for this stamp

Topics: Wind turbines Windmills

Perforation type: 11 ¾x11 ½

Subject:

12 crowns. Watermill in Hoslovice*

Additional:

*The Hoslovice village near Strakonice is the location of the oldest and uniquely preserved watermill in Bohemia. Hoslovice was first mentioned in writing in 1352. The first written evidence of the mill comes from 1654 and refers to "a mill of one wheel and 16 strikes of field". A dendrochronological survey confirmed this dating. The trees used to built the ceiling of the barn were cut in 1568-69. The last owners were the Harant brothers who maintained the traditional way of village life without electricity and sanitary facilities. The mill consists of the original milling room with residential rooms and all necessary equipment, cattle sheds and barn, made either of timber or bricks, all with thatch roofing. It also includes the mill pond and race, orchard and meadows. The mill which is on the list of national cultural heritage is open to public.

Also see FDC for this stamp

Topics: Watermills

Subject:

The booklets are contains strips of 5 stamps from usual sheets.

Size (of sheet, booklet) mm: 100x60

Topics: Windmills

Size (of sheet, booklet) mm: 100x60

Topics: Watermills