Ancient pinwheel mechanical calculating machine, is a mechanical device used to perform automatically the basic operations of arithmeti
Ancient pinwheel mechanical calculating machine, is a mechanical device used to perform automatically the basic operations of arithmetic, rendered obsolete by electronics calculators.
Size: 6375px × 4250px
Photo credit: © Thomas LENNE / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: accounting, add, adding, addition, aged, ancient, antique, arithmetic, arithmetical, arithmometer, basic, black, business, calculate, calculation, calculator, century, close-, computer, count, device, divide, division, equipment, finance, financial, machine, mathematics, maths, mechanical, mechanism, metal, multiplication, multiply, number, object, obsolete, odhner, operation, original, pinwheel, rare, register, retro, rusty, substract, substraction, vintage, white
