Uploaded August 2025 | Updated September 2026, 1 week ago

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A "trade stimulator" dice box from the 1890s. Thanks Irene! This is episode 90 of my video series about old calculating methods.

Reinhold F de Grain's patent: patents.google.com/patent/US435805A

Yahtzee footage from youtube.com/watch?v=QHREh4s-Y_E by youtuber @NSGsRetroToys

Old slot machine photo by wikimedia user: Nazox, CC-BY-SA 3
en.wikipedia.org/wiki/File:Liberty_bell.jpg

Digital slot machine photo by Craig Howell, CC-BY
flickr.com/photos/78317199@N00/3191539085


End song inspired by "Hotter than a Molotov" by The Coup. youtu.be/X8AW7PmsxAY

Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker