IE 11 is not supported. For an optimal experience visit our site on another browser.

100-year-old chalkboard drawings found in Oklahoma school

01:53

When a remodeling crew at Emerson High School in Oklahoma City, Oklahoma uncovered slate chalkboards dating back to 1917, teachers at the school were transported back in time and given a glimpse of how teachers taught their students nearly 100 years ago. NBC’s Harry Smith reports.