This ten-key printing manual adding machine has a black plastic top, green plastic keys, and a metal mechanism, handle, and base. The number keys are arranged in a block. To the left of these is a ...

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 ...

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 ...