The “Sandbox” space makes available a number of resources that utilize and explore the data underlying "Secrets of Craft and Nature in Renaissance France. A Digital Critical Edition and English Translation of BnF Ms. Fr. 640" created by the Making and Knowing Project at Columbia University.
Are the AP's drawings of the cannonballs (like this one: https://edition640.makingandknowing.org/#/folios/26r/f/26r/tl) accurate for the sizes they claim to represent? Are the actual drawings correct ratios to each other?
See essays by Tavares (https://edition640.makingandknowing.org/#/essays/ann_308_ie_19) and Brioist (https://edition640.makingandknowing.org/#/essays/ann_309_ie_19)