Saito, Fumikazu. “9. Instruments of Magic and Science: Mediate Observation in De Tlescopio According to Giambattista Della Porta’s Perspectiva”. Circumscribere International Journal for the History of Science 4 (April 10, 2008): 104–105. Accessed February 1, 2026. https://revistas.pucsp.br/index.php/circumhc/article/view/723.