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Location: Lynnfield, Massachusetts
Ships to: US,
Item: 326291240321

All returns accepted:ReturnsNotAccepted
Return policy details:
Year:1966
68 1400:68 1400
Featured Refinements:K&E Slide Rule
Features:Gold Tone, Rare due to production problems
Country/Region of Manufacture:United States
Modified Item:No

Keuffel & Esser 68-1400 Analon Simplex Slide Rule This is a rare slide rule, produced by K&E, listed for sale in their catalog for only one year then discontinued due to production problems. Although full production was 2000 the released production was limited to 1000, and of those approximately 400 were returned to vendors due to complex instructions (these were never recovered by K&E as they were not defective), leaving only 600 in the hands of consumers. This model was the last of the specialty slide rules produced by K&E. The company donated one of these to the Smithsonian to become part of the slide rule exhibit. See info at bottom of this text. Plastic with unique brass tone ends & dark orange leather case as shown. One owner (my dad). Marked 1966 with unique id of 001729 Very Good condition Slide rule is used/not brand new, there are light areas of scratching or discoloration as shown in pics. Slide rule slides well, although as plastic it does not have the same glide as the wooden ones. No writing on Slide Rule or leather case. Case has slight wear from use and years of storage, but in very good condition otherwise. Please review all pics. I try to get the best accuracy with these images, however the two showing the back of the ends have had their contrast reduced to show the stamps present and may appear out of focus. This item will ship via USPS insured priority mail in a box. Thank you for looking! From Smithsonian entry:(https://www.si.edu/object/keuffel-esser-68-1400-analon-simplex-slide-rule%3Anmah_1130714) The instrument was only listed in K&E’s 1967 catalog. It suffered from production problems, and buyers often found the instruction manual to be incomprehensible. According to former curator Uta Merzbach, the ANALON slide rule was the last model manufactured by Keuffel & Esser at its plant in Hoboken, N.J., which closed in 1970.

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