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K & E N4053-3 and Diwa Polylog 930. Two classic sliderules in cases. The Diwa Polylog 930 is in flawless condition and complete with 2-sided slider and case. The Keuffel and Esser rule is also complete and no damage to any ruled sections, but there is a crack through the slider glass and the leather flap of the case is off. It is rare to find the K&E without some use damage because they were so popular. The flawless ruling sections make this one a find. It even comes with the original little booklet!On May-02-08 at 19:07:43 PDT, seller added the following information:
I ship within a day or two of the auction, but the Canadian and US Post Offices have said there may be delays because of security etc. Allow several weeks for delivery.
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