Notese el silenciador de aluminio. Según la fábrica aseguraba liberar la contrapresión y “estaba dentro de la ley pero dando un sonido profundo”.

Note The Aluminum Silencer. According to the factory, he claimed to release the back pressure and "it was within the law but giving a deep sound".

NUT 1921 6-Valve V-Twin Courtesy Sergio Scalerandi of Argentina, who has contributed numerous articles on rare and interesting machines.