Anatomical machines Anatomical machines The anatomical machines (Italian: "macchine anatomiche") are a couple of anatomical models reproducing the human circulatory system, exposed in the Cappella Sansevero in Naples. Realised in the second half of the 18th century, they are built on top of a couple of human skeletons, a male and a female. The reproduction of the vessel system was realised with metal wire, wax and silk, but because of its richness in details, for a long time it was believed that it was of natural origin instead. The models were commissioned by Raimondo di Sangro, prince of Sansevero, and realised by
Swedish field artillery (early 18th century) 25 meters to a new position and so on. Since the advancement speed of the artillery was 1/2 times of the regiment, the distance between them were exponentially increased making the firing angle to shrink accordingly. At the time artillery had advanced 50 meters, own battalions had advanced an additional distance of 100 meters and ready for their first musketeer salvo now with the artillery positioned 100 meters back. Swedish field artillery (early 18th century) A Swedish foot (infantry) regiment during the 17th and 18th century was split into two battalions at the inception of a battle and light field