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something interesting
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07-11-2018, 03:26 PM
(This post was last modified: 07-11-2018 07:39 PM by Bill (Smithville NJ).)
Post: #4
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RE: something interesting
(07-11-2018 01:15 PM)Don Shepherd Wrote: A stylus hexadecimal adder. Hi Don, I've never seen this one, but I seem to remember having one that was like a circular slide rule. I did some googling and came up with some references to the original company and some additional info on the HexAdder. Original company is still in business: HEXCO, Inc Museum reference (another rabbit hole to go down): Southwest Museum of Engineering,Communications and Computation David's Calculating Sticks National Museum Americal History Bill Smithville, NJ |
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something interesting - Don Shepherd - 07-11-2018, 01:15 PM
RE: something interesting - rprosperi - 07-11-2018, 01:19 PM
RE: something interesting - Don Shepherd - 07-11-2018, 02:48 PM
RE: something interesting - Bill (Smithville NJ) - 07-11-2018 03:26 PM
RE: something interesting - Don Shepherd - 07-11-2018, 07:12 PM
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