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 metal notched band adder has a ...

If you predate the pocket calculator, you may remember slide rules. But slide rules take a a little skill to use. There was a market for other devices that were simpler or, in some cases, cheaper. One ...

For as busy as things can get at the grocery store on a typical afternoon just before the dinner hour, at least the modern experience has one thing going for it: it’s relatively quiet. Aside from the ...

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 black and gold-colored metal, ...

Have you found this content useful? Use the button above to save it to your profile. There are fewer physical objects more associated with being an accountant than the classic calculator. In more ...

It was 1985 when Guy Ball saw his first old calculator at a Salvation Army. “It was really cool-looking and had this white plastic sculpted body. The numbers lit up in a pretty blue fluorescent tone.