This ten-key printing manual adding machine has a brown case and two rows of white plastic keys with digits and complementary numbers for subtraction. Multiply and non-add keys are on the left, and ...

This ten-key printing manually operated adding machine has an black aluminum frame with a steel keyboard painted green. The white plastic digit keys are arranged in two rows and marked with digits and ...

Which adding machines for your office are best? While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...