It is true that the Diwa 710 Teknilog is quite rare, even here in Denmark . Since starting my collection I have found only 1 Teknilog 710 vs 9 Polylog 720 .polsen51
Thanks for letting us learn more about UTO, DIWA, and LInex. I had some small correspondenc with John (Jensen) about his late efforts with DIWA's lastsliderulenut
In "Proceedings of the 9th International Meeting of Slide Rule Collectors, September 2003" the late John Kvint writes about a Linex slide rule with a patentedpolsen51
The International Slide Rule Group "ISRG" is devoted to collectors of slide rules and associated mechanical calculating instruments.
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Slide rules are THE ORIGINAL solar powered calculators. Try using one in the dark and you'll see I'm right, or not see as the case may be.
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- Dec 21, 1998
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