The cinnabaric rock in this mine was mostly composed of upper lias jaspers (phthanites), siliceous rock par excellence.

a radiant face

Take another look at the abacus to see how useful it is. Each row represents a successively higher counting group, or register, by 10 times. Thus, with only 6 rows you can count to one million (actually, up to 999,999, which is 1 short of one million).

If our public schools fail to furnish an education fully as good as can be obtained in private schools, intelligent, conscientious, and well-to-do parents will withdraw their children.