“La documentazione essenziale per l'attribuzione della scoperta”. 2016年2月28日閲覧。 “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. 2011年5月9日閲覧。 “a person or thing that imparts motion, esp. a contrivance, as a steam engine, that receives and modifies energy from some source in order to utilize it in driving machinery.”
Dictionary.com: (World heritage) "3. any device that converts another form of energy into mechanical energy so as to produce motion"
