slide rule slidiing rule
slide rule slidiing rule
Size: 5617px × 3759px
Photo credit: © superclic / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, arithmetic, blue, calculation, construction, count, counting, counts, design, device, effect, light, lighting, math, mathematics, nostalgia, nostalgic, rule, slide, slidiing, sliding, stills, technology
