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
18th-century London architects such as John Nash. It would not be until the 19th century that the palace would become the principal London royal residence. A phenomenon of 18th-century London was the coffee house, which became a popular place to debate ideas. Growing literacy and the development of the printing press meant that news became widely available. Fleet Street became the centre of the embryonic British press during the century. Up until 1750, London Bridge was the only crossing over the Thames, but in that year Westminster Bridge was opened. The Bow Street Runners were established in 1749 as a professional police