But the Lord's word endures forever." This is the word of good news which was preached to you.
Eighty books, or two thousand leaves, of what is called leaf gold, each leaf measuring 3.3 inches square, viz. each leaf containing 10.89 square inches, weigh less than 384 grains; each book, therefore, or twenty-five leaves, is equal to 272.25 inches, and weighs about 4.8 grains; so that each grain of gold will produce 56.718, or nearly fifty-seven square inches!