Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Step-by-step instructions on designing, installing and operating water supply systems based on hydraulic ram pumps. With illustrations and diagrams, and details of a pump designed for local manufacture and notes for those developing their own model.