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 full-keyboard printing manual ...

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 ...

The Burroughs Adding Machine can still be purchased today from sites like eBay, usually for between $70 and $300, or more depending on the condition of the machine. At one point the Burroughs Adding ...

Dear Collector: The enclosed photo is of an adding machine my grandparents had in their grocery store when I was a small child. I am curious to know if it has any value? Capable of addition and ...

Mr. Zero is aptly named. The guy’s a great big zilch: a number cruncher made obsolete by machines who can do the crunching better and faster; a limp biscuit of a husband who melts into his recliner ...