COLLEGII ROM. S. J.

5. A fountain raising a genius sitting on water, mobile in perpetual circular rotation.
6. A fountain sustaining the Goddess Isis sitting on a crystalline sphere, greeting guests with irrigation spraying from all sides.
7. A hydraulic machine, an imitation of perpetual motion, recently invented by the Author: a water clock that, when it flows out and is inverted, flows again, sprinkling the heavens with spray.
8. A hydraulic machine expressing the prime mover most skillfully, and driving a bronze snake resting on the water above into coils and volumes with a violent spray.
9. A water-spouting hydraulic machine, at the summit of which stands a figure erupting various liquids for the guests.
10. A hydraulic clock indicating the hours with distinct tubes within crystalline pipes five palms in height, by pushing globes or genii up or down.
11. A hydraulic machine upon which rests a crystalline cup; on one side, a thirsty bird leans on it drinking water, which, on the other side, a snake leaning forward vomits back out with an open mouth.
12. A hydrotectonic machine, turning armed knights on one side and a crowd of returning people on the other with perennial drops.
13. A two-headed Imperial Eagle, most abundantly erupting water from its lowest throat.
14. A crowd of genii, animated by the silent approach of waters, performing dances.
15. The dove of Archytas, looming over a crystalline dome and indicating the hours with free flight.
16. A Catoptric theater, most well-equipped with every treasure of delicacies, fruits, and precious furnishings.
17. Architectural perspective representing the internal order of the chambers of a magnificent palace.
18. The perpetual vine, an invention of Archimedes, lifting 125 pounds with little effort by the strength of a very tender little boy.

19. A large crystalline globe, Part I, full of water, representing the resurrection of the Savior in the midst of the waters.

Thermoscopes. Thermoscopes, or various thermometers, together with experiments on the origin of springs, which demonstrate daily increases of simples, changes in the air, the tides of the sea, and the variation of the winds.
A very large cavo-convex burning mirror, with a great collection of mirrors, some of which represent ghosts in the air, others represent objects unchanged, others represent multiplied objects, and others collect species from a confused series into a beautiful form in places where there were none. Among these, one collects the effigy of Alexander VII.
A workshop most full of foreign objects, and filled with a choice of crystalline cups and a variety of vessels.
A workshop of the fruits of the Subterranean World, filled with abortive parts; it contains curious things.

Mechanical clocks. Several mechanical clocks, one of which plays a symphony with a concert of bells through artificial motion; it preludes to every sound of the hour. Also, every half-hour, it plays the hymn Ave Maris Stella Hail, Star of the Sea, with wonderful concordance of notes and sweetness of sound. Another indicates the hours with the motion of a pendulum. Another finally indicates the first and second temporary minutes. It shows the part of the world illuminated by the Sun, the increase and decrease of day and night. A running sign of the Zodiac describes the Astronomical and Italian hours, as well as the ancient or unequal hours, through a straight line by singular artifice. Many solar horoscopes.

Indian animals. From the Indies and Mexico come the skins of various terrestrial, aerial, and aquatic animals, especially birds of wonderful variety of colors and vague figure of forms, rare and altogether admirable, transmitted from Brazil.

Spheres. Armillary spheres and globes, both celestial and terrestrial, with their meridians...