20 The two pillars, one sea, and twelve brazen bulls that were under the bases, which King Solomon had made in the house of the LORD; the brass of all these vessels could not be weighed.
Jeremiah 52:20 Cross References - EJ2000
1 Kings 7:47
47 And Solomon did not inquire the weight of the brass of all the vessels because they were exceeding many.
2 Kings 25:16
16 the two pillars, one sea, and the bases which Solomon had made for the house of the LORD; the brass of all these vessels was without weight.
1 Chronicles 22:14
14 Now, behold, in my trouble I have prepared for the house of the LORD one hundred thousand talents of gold and a thousand thousand talents of silver, and the brass and iron are without weight, for it is in abundance. Likewise, I have prepared timber and stone, unto which thou shalt add.
2 Chronicles 4:18
18 Thus Solomon made all these vessels in great abundance, for the weight of the brass could not be found out.