Slide rule and compass on white background

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Slide rule and compass photographed on a white background

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Size: 6978px × 4367px
Location: France
Photo credit: © Nuala Mahon / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: abacus, calculation, compass, direction, east, implement, mathematics, north, orienteering, ruler, shout, slide-rule, west