Timex had nothing on Jai Singh II. After building this 90-foot sundial, the Indian maharaja always knew the correct time to within half a second — and this was in the early 1700s.
Ben Franklin wrote, “Energy and persistence conquer all things.”
Timex had nothing on Jai Singh II. After building this 90-foot sundial, the Indian maharaja always knew the correct time to within half a second — and this was in the early 1700s.
Ben Franklin wrote, “Energy and persistence conquer all things.”