«La documentazione essenziale per l'attribuzione della scoperta». Archivado desde el original el 25 de febrero de 2017. Consultado el 24 de febrero de 2014. «A later request was presented to the Patent Office of the Reign of Piedmont, under No. 700 of Volume VII of that Office. The text of this patent request is not available, only a photo of the table containing a drawing of the engine. This may have been either a new patent or an extension of a patent granted three days earlier, on 30 December 1857, at Turin.»
«Motor». Dictionary.reference.com. Consultado el 9 de mayo de 2011. «una persona o cosa que imparte movimiento, en especial un dispositivo, como una máquina de vapor, que recibe y modifica la energía de alguna fuente para usarla en la conducción de maquinaria.»
Dictionary.com: (World heritage) "3. any device that converts another form of energy into mechanical energy so as to produce motion"
«La documentazione essenziale per l'attribuzione della scoperta». Archivado desde el original el 25 de febrero de 2017. Consultado el 24 de febrero de 2014. «A later request was presented to the Patent Office of the Reign of Piedmont, under No. 700 of Volume VII of that Office. The text of this patent request is not available, only a photo of the table containing a drawing of the engine. This may have been either a new patent or an extension of a patent granted three days earlier, on 30 December 1857, at Turin.»
