The Royal Factory's technology
 The Royal Factory’s technology. Kilns, mills and other machinery.

Y desde dicho tiempo hasta fin de Octubre de este año 1745 y habiendo Visto y Examinado dichos Libros con la devida atención y Cuydado, he encontrado haverse hecho y cocido de Loza Vernizada y Pintada de diferentes Modelos y Classes 129 Hornadas con el número de ellas, que acumuladas a una Partida componen la de 738.890 Piezas.
Report sent to the Board of Trade by the Royal Factory’s sub-delegate, special magistrate José Bermudo. November 15th 1745. Castellón Provincial History Archive.


The warehouse where this panel is located still contains one of the most outstanding features of the Royal Factory: a series of three Arab kilns built between the late 18th and early 19th centuries. They have a double firing chamber (at the top and bottom) measuring over four metres in diameter and 3.5 metres high. After the Royal Factory closed down, they were used by a company to make bisque tiles until the 1960s. The fact that they were in use for over 150 years proves how solidly and efficiently they were built.

The Royal Factory also had water and animal-powered mills, in addition to a machine of the most extraordinary in Europe to refine glazes (1753), other machinery to prepare the clay or to make auxiliary firing equipment, water wheels, water pumps, kilns for firing samples, and even a steam engine (1871). This early process of mechanization made the Royal Factory one of the first examples of industrialization in 18th century Spain.


La Verdad
The Count of Aranda’s Royal Factory (Alcora)
Ceramic plaque. 1789
Musée National de Céramique de Sèvres. 29x40 cm

The work scene inside the Royal Factory shows the clay filtering process. Two workmen can be seen pumping water to a mill where the clay is ground and then collected by a third workman. Another workman spreads the clay in one of the settling basins, supervised by a stylishly dressed person. On the left, the doors of a kiln’s two firing chambers can be seen. At the top, several spouts in the shape of a newt supply water to the clay settling basins.
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