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 While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the ...

As part of All Things Considered's series on now-obsolete sounds, listeners recall fond memories of the old mechanical adding machine. We asked listeners to send sounds from older technologies, things ...

Some of the interest could be nostalgia, but rarity will always drive prices up The condition of the machine matters Whether you’re buying or selling, always do your research Attending an auction can ...

Q: I have two early adding machines, an Odhner and a Remington Rand Model No. 93. Do they have any value? I would like to sell them. — Ona, Willowbrook, Ill. A: Most early calculators and adding ...

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 stylus-operated non-printing ...

How many 555 timers does it take to add up two 10 digit numbers? [Alan’s] 555 Adding Machine does it with 102 of them, he designed the machine as an extreme entry to the 555 contest and the original ...

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 machine incorporates ideas of ...