There is, rather remarkably, descriptions of over 100 machines such as a fire engine, a wind organ, a coin-operated machine, and a steam-powered engine called an aeolipile.
Diyan ay, sa halip halatang-halata, paglalarawan ng higit sa 100 machines tulad ng isang bomba, isang hangin organ, ng barya-pinamamahalaan makina, at isang singaw-powered engine na tinatawag na isang aeolipile.