Vitruvius iterum et Frontinus à Iocundo revisi repurgatique quantum ex collatione licuit (1513) - Page 13

What a machine is, and its difference from an instrument, its origin, and its necessity. Chapter I.
Concerning the mechanical pulling devices of sacred and public buildings. Chapter II.
Concerning the diverse names of machines and the manner in which they are erected. Chapter III.
A machine similar to the previous one, to which colossi and other things may be entrusted more safely, changing only the windlass to a drum. Chapter IV.
Another type of pulling machine. Chapter V.
The ingenious device of Ctesiphon for transporting heavy loads. Chapter VI.
Concerning the discovery of the stone quarry from which the Temple of Diana at Ephesus was built. Chapter VII.
Concerning the extension and rounding of machines for the lifting of loads. Chapter VIII.
Concerning the types of instruments for drawing water, and first concerning the tympanum a water-wheel bucket device. Chapter IX.
Concerning wheels and drums for milling flour. Chapter X.
Concerning the screw, which lifts a great quantity of water, but not so high. Chapter XI.
Concerning the machine of Ctesibius, which lifts water to a great height. Chapter XII.
Concerning hydraulic machines, by which musical organs are perfected. Chapter XIII.
By what method we may measure a journey completed while carried by carriage or ship. Chapter XIV.
Concerning the principles of catapults and scorpions a smaller type of torsion weapon. Chapter XV.
Concerning the principles of ballistae siege engines for throwing stones. Chapter XVI.
Concerning the proportion of stones to be thrown relative to the aperture of the ballista. Chapter XVII.
Concerning the tension and adjustment of catapults and ballistae. Chapter XVIII.
Concerning siege and defensive matters, and first concerning the invention of the battering ram and its machine. Chapter XIX.
Concerning the tortoise a mobile protective shed for preparing the filling of moats. Chapter XX.
Concerning other tortoises. Chapter XXI.
The peroration of the whole work. Chapter XXII.