Unfortunatley, by telling you this wonderful antique mechanical calculator is only $5 heading into the final day of its auction, I probably ensure it won't remain so for long.
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"Ditto grandma having one and being fascinated buy confused by it...."
"My grandma had one exactly like this. I was fascinated with it as a kid, and wo..."
"Shoot, mere decades ago Johnson Smith sold these for like $2. ..."
"Google Troncet Arithmographe, Addiator, and Magic Brain for history on these gem..."
"It's now $21.50, and given that it's missing it's stylus, this might be a little..."
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Chris S
#1 – 9:21 AM September 23, 2009
It's now $21.50, and given that it's missing it's stylus, this might be a little high.
But - calculators like this are cool. And they aren't too rare - if this looks interesting, do regular checks on eBay and you'll probably find one in your price range.
The fun part is getting one and figuring out why they work.
midknyte
#2 – 9:54 AM September 23, 2009
Google Troncet Arithmographe, Addiator, and Magic Brain for history on these gems
haineux
#3 – 11:47 AM September 23, 2009
Shoot, mere decades ago Johnson Smith sold these for like $2.
madsci
#4 – 6:26 PM September 23, 2009
My grandma had one exactly like this. I was fascinated with it as a kid, and wound up with it when she died in the '80s. Wonder if I've still got it around somewhere.
I remember how to add and subtract, but I don't remember if I ever learned to multiply on it.
The notches at the top and bottom of each row are for carry and borrow operations. You can actually go pretty fast with it with some practice.
Hugh
#5 – 7:27 PM September 24, 2009
Ditto grandma having one and being fascinated buy confused by it.