I recently acquired a K+E 4041F. The body is 10+5/8" long, two piece. At the bottom edge of the front face, in red ink, is "KEUFFEL & ESSER CO. N.Y.". The
Hello Bill, When I try the web http://www.lise.jp http://www.lise.jp you use, there is an add saying the web is for sale... Nevertheless, the access that Dicke_lento13
Good point! " From 1948 to 1950 Logarex belonged to L&C Hardtmuth, which made the Koh-I-Noor brand pencils". So, no dependence from "before WWII" to 1948 ande_lento13
The International Slide Rule Group "ISRG" is devoted to collectors of slide rules and associated mechanical calculating instruments.
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If you are serious about slide rule collecting, it is highly recommended that you consider joining
The Oughtred Society.
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Cyril Catt -
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Jerome Mc Kenna
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.
This is your groupowners attempt at humor.
- Dec 21, 1998
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