Chalkboards From 1917 Found Oklahoma City School Leave Workers Flabbergasted

Chalkboards From 1917 Found Oklahoma City School Leave Workers Flabbergasted
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Workers renovating a high school in Oklahoma City were stunned to find chalkboards from the early 1900s behind the walls.

The series of chalkboards, that appear to have been used in 1917, were discovered in three classrooms at Emerson High School.