There are no marks or dings on the slide rule that i can see, but please use the pictures to look for yourself. Includes items usually missing: the paper ring around the leather case, the care booklet, pocket rule catalog.Only wish i could include one of dad's pocket protectors. My father was an electrical engineer at pearl harbor, and my grandfather was a machinist there during the bombing. I'm sure that this was a graduation gift that my dad saved and never used as i've kept his working slide rules. I'm an electrical engineer as well. Info i found on the internet is below. I've done my best to try to find correct information about the product, but make no guarantees as to the accuracy of any of the information. Please do your own due diligence. K+E's famous Deci-lon duplex rule set in the original factory display box in excellent condition.
The set includes the leather case, belt loop, rule and hardbound manual. This is K+E's late production flagship rule, with unbreakable cursor, Ivorite body and adjustable frame. Has 8 log log scales, a split square root scale, DI and folded scales. The set is in excellent un-used condition, the rule and case look mint, and the box is in good shape but with age spots. Please look at the pictures for exact condition.An outstanding and powerful rule, cleverly designed and beautifully preserved. Here's a chance to get a complete outstanding rule set, with all the accessories in the original display box, a wonderful addition to any collection. Case: Sewed leather case, with front leather-covered clip, and belt carrier ring on back. Numbers Printed on Slide: 465 132465 465.
Catalog Pricelist Years: 1962, 1967. The Deci-Lon family of slide rules are duplex type of slide rules. The Deci-Lons is constructed on a plastic frame. The slide rule material is Ivorite Precision Molded ABS. The Deci-Lon was the last new slide rule design by K&E.
The Deci-Lon functionally replaced the Log Log Duplex Decitrig slide rules but never displaced them from the product line. The Deci-Lon has the most extensive scale set of any K&E slide rule. The scale set is as follows.
Ln-3 Ln-2 Ln-1 Ln-0 A = B T SRT S C = D DI K. Sq1 Sq2 DF = CF CIF L CI C = D Ln0 Ln1 Ln2 Ln3.
The following models are part of the K&E Deci-Lon Slide family and only vary in length. 68-1130 (Deci-Lon 5) ---- 5.
K&E Slide Rule Family Index: 68-1100 (1962). Keuffel & Esser Slide Rule Material: Ivorite Precision Molded ABS.
(K & E) Scales on Front Side: Sq1 Sq2 DF = CF CIF L CI C = D Ln0 Ln1 Ln2 Ln3. Slide Rules Scales on Back Side, or Back of Slide: Ln-3 Ln-2 Ln-1 Ln-0 A = B T SRT S C = D DI K. Case Details: Chamois lined Sewed Leather Case, with belt carrier ring.
The item "Vintage NIB 1962 K+E Slide Rule DECI-LoN 68-1100 COMPLETE Keuffel & Esser" is in sale since Saturday, December 26, 2020. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "robandmichele" and is located in Honolulu, Hawaii.This item can be shipped worldwide.