All machinery is derived from nature, and is founded on the teaching and instruction of the revolution of the firmament.
Chapter I, Sec. 4 - De architectura (The Ten Books On Architecture) (~ 15BC) - Book X
All machinery is derived from nature, and is founded on the teaching and instruction of the revolution of the firmament.
Chapter I, Sec. 4 - De architectura (The Ten Books On Architecture) (~ 15BC) - Book X