This slide rule is in very good condition and comes with the original sleeve, both made in Germany by Nestler. This model is the elaborate Rietz-Duplex, nr. 0289 with 21 scales on both sides. The Nestler name and model is on the rule itself and on the sleeve (just Nestler). It is made of plastic but has metal reinforcements on the ends as well as on the heavy duty cursor with multiple hairlines. Curser, slide rule and sleeve are complete and in very good condition with only small signs of use and age. The small rubber feet are accounted for but some have clear signs of age. It also has the sheet with small screwdriver tool attached (for cleaning cursor). It measures ca. 36 cm or 14 1/4 inches. Check the attached video on how to work your vintage man tool : slide rule operation instructions!
Nestler Rietz-Duplex slide rule 0289 sleeve 1970 Germany
Nestler Rietz-Duplex slide rule 0289 sleeve, made ca 1970 in Germany
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