Abacuses silhouette detail aids rake-help slide rules abacus reason-rake-types mathematics reckons simply simply becomes
Abacuses silhouette detail aids rake-help slide rules abacus reason-rake-types mathematics reckons simply simply becomes obsolete manually learns rods balls education quietly life abacuses detail simply reason-rake-types aids roll learns manually mathematics abacus rake-help slide rules education calculates silhouette simply quietly life rods becomes obsolete
Size: 4096px × 2742px
Photo credit: © Klaus-Gerhard Dumrath / Alamy / Afripics
License: Licensed
Model Released: No
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