retro round slide rule with fine scratched glass
retro round slide rule with fine scratched glass
Size: 3367px × 5050px
Photo credit: © Andrey Semenov / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: accuracy, addition, angle, antique, battered, calculating, calculus, circle, computing, corroded, degree, direction, division, equipment, fashioned, glass, hand, indicator, instrument, logarithm, mathematic, measurement, multiplication, pi, pointer, reflection, retro, roll, rule, scale, science, scratching, slide, sparse, subtraction, tools, twirl, weathered
