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The Addac Adding Machine
Naughty Mechanical Adding Machine Antique
Dalton adding machine from MacPherson's Leather Co., Seattle, WA. circa 1920.
Precisa Adding Machine Antique 102-1 Rare Vintage Works Hermes
The Secrets Of The Dalton Adding Machine
The Portable Adding Machine
The Star Adding Machine
The Itemizer Adding Machine Review / HowTo
Burroughs Portable Adding Machine, a Detailed Look
Pocket Mechanical Calculator - Addiator/Addifix
Electromechanical Calculators - Pretty Cool Stuff
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Last Updated: September 28, 2026
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Summary
THIS IS NOT AN INSTRUCTIONAL VIDEO *** This video was never designed to be used to teach one how to use an PRECISA AG. RECHENMASHINENFABRIK ZURICH A Precisa The Addac was invented in 1925 or 1926 by Andrew Ekman in Grand Rapids, Michigan. It is a simple Demo of (slightly pornographic) Found some leather items from a leather company in Seattle that had recently gone out of business. Includes an antique Dalton ... demonstration 3# (line numerotation, will not calculate) 256.75 314.18 2.75 1245.63 sub-total minus 24.33 total (and reset) This is to explain how to use an antique Dalton The Itemizer, from the 1950s. For the This was not a video I thought I would be making but I ended up liking this thing a lot more than I would have guessed! This is a ... The Addifix/Addiator is a great little pocket So here's a little short and sweet update on random stuff, I'm not dead! Sorry for the delays in responding to comments and stuff, ...