Children's school board and abacus made in the fifties last century

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Children's school board and abacus made in the fifties last century (peace!!!)

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Size: 2514px × 3385px
Location: Ukraine
Photo credit: © byvalet / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: -fashioned, abacus, black, blackboard, board, calculating, calculations, calculus, chalk, chalkboard, counting, degree, education, elementary, equipment, figures, graduate, isolated, learn, learning, lesson, mathematics, retro, school, schoolboard, sign, tools, toy, write