Note 582 — Chapter V · EMPEDOKLES OF AKRAGAS
Reading edition
Arist. Phys. Δ, 6, 213 a 22 (R. P. 159). Aristotle only mentions Anaxagoras by name in this passage; but he speaks in the plural, and we know from fr. 100 that the klepsydra experiment was used by Empedokles.