Note 44 — BOOK IX.[1] (continued 2)
Herbert Hoover translation
The Roman modius (modulus?) held about 550 cubic inches, the English peck holding 535 cubic inches. Then, perhaps, his seven moduli would be roughly, 1 bushel 3 pecks, and 18 vessels full would be about 31 bushels—say, roughly, 5,400 lbs. of ore.