There will be no propriety in the spectacle of an elegant interior approached by a low mean entrance.
Marcus Vitruvius PollioSome springs are acid, as at Lyncestus and in Italy in the Velian country, at Teano in Campania, and in many other places. These when used in drinks have the power of breaking up stones in the bladder, which form in the human body.
Marcus Vitruvius PollioThe difference between "machines" and "engines" is obviously this, that machines need more workmen and greater power to make them take effect, as for instance ballistae and the beams of presses. Engines, on the other hand, accomplish their purpose at the intelligent touch of a single workman...
Marcus Vitruvius PollioFrom the exterior face of the wall towers must be projected, from which an approaching enemy may be annoyed by weapons, from the embrasures of those towers, right and left.
Marcus Vitruvius Pollio