Fig. 2. Plan view of the project of the hydrometric module. (Adapted with permission from J. de Castro, unpublished data, 1863, CDAHCF Archives, Parc de la Sèquia, Manresa, Spain.)

Fig. 2. Plan view of the project of the hydrometric module. (Adapted with permission from J. de Castro, unpublished data, 1863, CDAHCF Archives,
Parc de la Sèquia, Manresa, Spain.)