Lardner, Dionysius (1840). The Steam Engine Explained and Illustrated. Taylor and Walton. p. 22. Full title: Le Machine volume nuovo, et di molto artificio da fare effetti maravigliosi tanto Spiritali quanto di Animale Operatione, arichito di bellissime figure. Del Sig. Giovanni Branco, Cittadino Romano. In Roma, 1629
Keller, Alex; Ferguson, E. S.; Gnudi, M. T.; Ramelli, Agostino; Branca, Giovanni (1978). "Renaissance theatres of machines". Technology and Culture. 19 (3). Johns Hopkins University Press: 495–508. doi:10.2307/3103380. JSTOR3103380.
jstor.org
Keller, Alex; Ferguson, E. S.; Gnudi, M. T.; Ramelli, Agostino; Branca, Giovanni (1978). "Renaissance theatres of machines". Technology and Culture. 19 (3). Johns Hopkins University Press: 495–508. doi:10.2307/3103380. JSTOR3103380.