Anatomical machines Giuseppe Salerno, an anatomist from Palermo, around 1763. Some legends, disproved by modern studies, account for the direct involvement of the prince in the building process, while in fact he only bought them. A contract, found in the notary archive of Naples, states that di Sangro provided to Salerno metal wire and wax for the work. They were described in detail for the first time in the "Breve Nota" (short note), an 18th-century guide to Palazzo di Sangro and its neigh chapel. It also accounts the existence of a third machine, a fetus complete with placenta: it was exposed together
18th century environment. Western historians have occasionally defined the 18th century otherwise for the purposes of their work. For example, the "short" 18th century may be defined as 1715–1789, denoting the period of time between the death of Louis XIV of France and the start of the French Revolution, with an emphasis on directly interconnected events. To historians who expand the century to include larger historical movements, the "long" 18th century may run from the Glorious Revolution of 1688 to the Battle of Waterloo in 1815 or even later. 18th century The 18th century lasted from January 1, 1701 to December 31,