IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This adding machine has a black metal ...

If your adding machine ribbon is running out of ink, save money by re-inking it instead of purchasing a replacement. Re-inking the old ribbon is also better for the environment because it cuts down on ...

This ten-key printing manual adding machine has an black iron and glass frame with a steel keyboard painted green. Two rows of white plastic number keys are marked with digits and their complements ...