M. Vitruvius per Iocundum solito castigatior factus cum figuris et tabula ut iam legi et intelligi possit

About the stars that are from the zodiac toward the south. Chapter VII.
About the principles of horologes sundials and the shadows of gnomons at the equinoctial time, in Rome and some other places. Chapter VIII.
About the principle, use, and discovery of horologes, and by whom they were invented. Chapter IX.

CHAPTERS OF THE TENTH BOOK.

What a machine is, and its difference from an organ a mechanical instrument or tool, in origin and necessity. Chapter I.
About the traction machines for sacred and public works. Chapter II.
About the diverse names of machines, and by what principle they are erected. Chapter III.
A machine similar to the previous one, to which colofficotera likely a reference to complex pulley systems can be more safely entrusted, changing only the winch to a drum. Chapter IV.
Another type of traction machine. Chapter V.
The ingenious method of Ctesiphon for transporting heavy loads. Chapter VI.
About the discovery of the quarry from which the temple of Diana at Ephesus was constructed. Chapter VII.
About the extension and rounding of the machine for the lifting of loads. Chapter VIII.
About the types of organs for drawing water, and first about the tympanum a water wheel with compartments. Chapter IX.
About wheels and drums for grinding flour. Chapter X.
About the screw Archimedes' screw which lifts a great quantity of water, but not so high. Chapter XI.
About the Ctesibian machine which lifts water to a great height. Chapter XII.
About the hydraulic machines by which organs are perfected. Chapter XIII.
By what method we may measure the journey completed while traveling by carriage or ship. Chapter XIV.
About the principles of catapults and scorpions. Chapter XV.
About the principles of ballistae. Chapter XVI.
About the proportion of stones to be thrown to the opening of the ballista. Chapter XVII.
About the tensions and temperings of catapults and ballistae. Chapter XVIII.
About the affairs of attackers and defenders, and first about the invention of the ram and its machine. Chapter XIX.
About the tortoise a protective shed for siege workers to be prepared for the filling of trenches. Chapter XX.
About other tortoises. Chapter XXI.
Peroration of the whole work. Chapter XXII.