The Assayer: Translated from the Italian by Stillman Drake
Galilei, G. (1960). The Assayer: Translated from the Italian by Stillman Drake. In S. Drake (Ed.), The Controversy on the Comets of 1618: Galileo Galilei, Horatio Grassi, Mario Guiducci, Johann Kepler (pp. 151-336). Philadelphia: University of Pennsylvania Press. https://doi.org/10.9783/9781512801453-006
Reading 5: pp. 8-11