Daniel 2:32 "his belly and his thighs of brass"
Daniel 2:39 "and another third kingdom of brass, which shall bear rule over all the earth."
1 Maccabees 1:1 "And it happened, after that Alexander son of Philip, the Macedonian, who came out of the land of Chettiim, had smitten Darius king of the Persians and Medes, that he reigned in his stead, the first over Greece"
Brass, Bronze or Copper depending on which version you are reading was widely used in the Greek Culture.
The Belly And Thighs represent Greece.
1843 Chart (By Charles Fitch and Apollos Hale) |
       | 1850 Chart (By Otis Nichols) |