Amish blackboard from 1920.

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Size: 3380px × 5393px
Photo credit: © Loren Biser / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: adding, alphabet, amish, ancient, bean, beancounter, black, blackboard, board, calculator, century, chalk, chalkboard, counter, kindergarten, lancaster, numbers, nursery, pennsylvania, red, ribbon, school, slate, turn